citation analysis of doctoral dissertations inmathematics using dbase...

Annals of Library Science and Documentation 43,3; 1996; 81-107.

CITATION ANALYSIS OF DOCTORAL DISSERTATIONS IN MATHEMATICS USING dBASE 11I+

Bibliometric study of the citations in 27 doctoraldissertations in mathematics submitted at theBurdwan University (West Bengal) from 1981 to1990, and also of the references in the publishedarticles cited in these theses was conducted us-ing a database management software package(dBase 11/+). The bibliographic forms of literatureused, ranked list of journals in pure mathemat-ics, applied mathematics and statistics,normalised ranking of journals with corrected ci-tation number according to Sengupta's formulaand correlation study between two lists found outby the use of the software developed are pre-sented. The programme appended with this pa-per may be used for similar such studies.

INTRODUCTION

dBase 111+is a powerful general purpose database management software which can be veryeasily utilised for all the library activiues includingbibliometric studies. The files remain very flexible.At any time the structure of a file can be changed,by adding or deleting some fields; relation to otherfiles can be set; two or more files can be linked orjoined to combine fields or manipulate them. Re-ports can be generated in desired formats for anyselective part of a file or by combining data frommore than one files. Minor mathematical manipu-lations necessary for bibliometric studies like pre-paring ranked list, finding percentage, getting logvalues, performing correlation studies etc. caneasily be done by writing short programmes indBase 111+.The tremendous manual labour ofbibliometric studies with big databases may bereduced to a great extent by using a computer, asit provides extensive flexibilities of sorting,reorganising and reranking the files in any desired

Vol43 No 3 September 1996

AMIT KUMAR BANDYOPADHYAYDept. of Library & Information ScienceUniversity of BurdwanBurdwan-713104West Bengal

order for analysis in different contexts.

OBJECTIVES OF THE STUDY

The present study, a part of a broader one wasundertaken to develop programmes for citationanalysis of references used in some doctoraldissertations in mathematics and of referencescited by the articles therein to determine:a) the main bibliographic forms used;b) the ranked list of core journals in mathemat-

ics and its branches;c) the normalised ranked list, following

Sengupta's correction;d) the scholars' choice of journals for publishing

articles; ande) the correlation study of what they refer, where

they publish and who cites them.

SCOPE AND METHODOLOGY

27 doctoral dissertations on mathematics submit-ted to the University of Burdwan (West Bengal)from 1981 to 1990 and the published articles ap-pended therein, if any, and the references ap-pended to these articles were taken as the inputfor the study. The Science Citation Index (SCI)from the beginning to 1993 were consulted toknow the citations received by these articles/the-ses. References to a single article/book or otherdocument, used more than once, was consid-ered as one. The name of the host document, typeof the document, year, number of authors, start-ing page number, self citation, if any, etc. of thetotal number of 2261 references appended to thesetheses were noted in each case. A dBaselll+master file named THREF.DBF was created withthe help of a PC-XT for analysis of the data. A five

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A.K. BANDYOPADHYAY

character alpha-numeric code number(REFCODE) was allotted to each thesis and thiswas used as the key field in all the related files.For example, the REFGODE for a thesis of math-ematics submitted in 1987 by Manoranjan J is m87jm. The other fields used, were for recordingdocument type (REFTP), year (REFYR), numberof authors (NOREFRAUTH), name of the journalin case of ajournal reference (JLNAME), first pageof the article ( FPAGE ), self-citation, if any(SELFCIT), source thesis year (THYR), citationnumber (CITNO)(this is one for each reference)and broad subject of the source thesis (SUB-JECT). A two letter character code was used todenote the subject such as, mp =Pure Mathemat-ics, ma =Applied Mathematics, ms =Statistics .Thestructure of the file THREF.DBF is given in theAppendix-I.

The codes used to record REFTP were, b =Book,c=Conference/Seminar,j =Journal article,r =Report,t=Thesis, ta= Table.se'Standard.l =Lecture notes,un =Unpublished, and m =Others.

The journal abbreviations used in SCI [3] werefollowed and similar abbreviations were developedfor non-SCI titles within 20 character field length.INSDOC's National Union Catalogue of ScientificSerials in India [2] and Ulrich's International Peri-odicals Directory, 1989 [6] were used to identifyany wrongly abbreviated journal title and also todetermine the history, country and year of originof the journal titles.

In studying the references used in the publishedarticles appended to these theses,if any, a sepa-rate file named ARTREF.DBF was created withthe REFCODE as the key field, article no.(ARTNO) as the next field and article year(ARTYR) as an additional field.

A separate file named (THES.DBF) was createdto note the full details of every thesis likeREFCODE, accession nO.(ACCN), scholar's sur-name (SNAME) and forename (FNAME), year of

82

submission (THYR), thesis title (THT), name ofguides (GDN), no. of pages (NPG), no. of articles(NOART)and subject. Another file namedCITREF.DBF is created to npte the citations re-ceived by the articles written by the scholars. Thefields included are REFCODE, ARTNO, citation

. type (CITIP), citing author (AUTH), name of theciting journal (JLNAME), citing year (REFYR), firstpage of the citing article (FPAGE), and year ofpublication of the scholar's article that has receivedthe citation (ARTYR). The code used to recordCITIP was 0 = no citation, 1 = no self citation, 2= author self citation, 3 = guide self citation, 4 =journal self citation, 5 = author & journal self cita-tion, 6 = author & guide self citation.

Another file named THART.DBF was made torecord full bibliographic details of the articles re-ferred to in the theses. In addition to the biblio-graphic information, there are some fields likeAUTHNO (= number of authors of the article),PAGENO (number of pages) and REFNO (=no ofreferences in the article). The structures of the da-tabases are given in the Appendix-I.

ANALYSIS OF DATA

The softwares developed to analyse various as-pects of the study are given as Appendix II. Theoperational aspects of the software are providedin Appendix III. This software may be used for simi-lar bibliometric studies.

Subject-wise Distribution of Theses

The subject wise distribution of the theses, av-erage references per thesis (ART) and averagereference per page of thesis (ARP) are shown inTable 1. The ART of all the theses is 83.7. ART ofpure mathematics is only 44.1. It is 100.8 for ap-plied mathematics and 117.33 for statistics. TheARP is 0.5016 for all the theses. It is 0.34 forpure mathematics, 0.55 for applied mathematicsand 0.61 for statistics.

Ann Lib Sci Doc

CITATION ANAL YSIS OFDOCTORAL DISSERTA TlONS IN MA THEMATICS USING dBASE 111+

Table 1

Distribution of theses and their page & references by year of submission and subject branches

1981 - 1985 1986 - 1990 1981 - 1990

Subject Total no Total no Total no Total no Total no Total no Total no Total no Total noof of of of of of of of of

theses references pages theses references pages theses references pages(T1) (Al) (Pl) (T2) (A2) (P2) (T3) (A3) (P3)

1 2 3 4 5 6 7 8 9

Pure 2 104 302 7 293 876 9 397 1178Math

Applied 9 870 1696 6 642 1052 15 1512 2748Math

Statistics 1 185 256 2 167 325 3 352 581

Total 12 1159 2254 15 1102 2253 27 2261 4507

Average reference Average reference Average Average referenceper per page per page per page page/per per per page

thesis of thesis of thesis of thesis thesis thesis of thesis(RllT1) (Rl/Pl) (R2IT2) (A2IP2) (R3IT3) (A:1iP3)

10 11 12 13 14 15 16

Pure 52 0.34 41.857 0.33 130.89 44.1 0.34Math

Applied 96.66 0.51 107.0 0.61 183.20 100.8 0.55Math

Statistics 185 0.72 83.5 0.51 173.67 117.33 0.61

Total 96.58 0.51 73.47 0.49 166.93 83.74 0.50

Vol43 No 3 September 1996 83

A.K. BANDYOPADHYAY

Bibliographic Forms was used in pure mathematics. Journals are usedmore in pure mathematics whereas, more booksare used in statistics (17.33%). It was found thatjournal articles accounted for 80.01 % of the totalliterature whereas, books were 14.86%.

Variation in the use of bibliographic forms of lit-erature in pure and applied mathematics and sta-tistics is evident from Table 2. No report literature

Table 2

Type of documents used in thesis references of mathematics

Pure mathematics Applied mathematics Statistics Total

Form No. of Percent- No. of Percent- No. of Percent- No. of Percent-citations age citations age citations age citations age

BOOKS 52 13.10 223 14.75 61 17.33 336 14.86

JOURNALS 330 83.12 1209 79.96 270 76.70 1809 80.01

REPORTS - - 20 1.32 9 2.56 29 1.28

SEMINAR ETC 2 0.50 39 2.58 4 1.14 45 1.99

THESES 4 1.01 14 0.93 8 2.27 26 1.15

UNPUBLISHED 6 1.51 3 0.20 - - 9 0.40

LECTURE 2 0.50 1 0.07 - - 3 0.13NOTES

OTHERS 1 0.25 3 0.20 - - 4 0.18

TOTAL 397 2512 352 2261

When the articles' references are counted con-sidering one thesis as an unit and counting onereference appearing in several articles of one the-sis as one (whereas two articles may relate to twoChapters of a thesis and a reference appearing at

the end of two chapters are taken as one only),there are 81.7% journal references and 16.52%books. Conference and thesis are used very littlein article references accounting for 0.45% each(Table 3).

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CITA TION ANAL YSIS OF DOCTORAL DISSERTA TIONS IN MA THEMA TICS USING dBASE 111+

Table 3

Types of document used in article's references and related theses references of mathematics

Article's references(Considering one

Article's references reference appearing Related theses(Taking all references) in two articles of a references

thesis as one only)Form

1 2 3

No. of Percentage No. of Percentage No. of Percentagecitation citation citation

BOOKS 42 15.56 37 16.52 214 16.31

JOURNALS 222 82.22 183 81.70 1031 78.58

REPORTS - - - - 16 1.22

SEMINAR ETC. 1 0.37 1 0.45 26 1.98

THESES 2 0.74 1 0.45 14 1.07

UNPUBLISHED 3 1.11 2 0.89 5 0.38

LECTURE NOTES - - - - 3 , 0.23OTHERS - - - - 3 0.23

TOTAL 270 224 1312

However, when the study is made taking individual 'articles as units and same reference appearing intwo articles are counted twice ( as it is alwaysdone in case of citation analysis of journal articles),it is observed that 15.56% books and 82.22% jour-nal references are used.

The study with references of the few selectivetheses to which articles are appended ( for whichwe studied under artref ), showed 78.58 % refer-ences for journal articles and 16.31 % for books(Table 3).

Vol43 No 3 September 1996

Thus, the result of any thesis study will differ fromthat of journal articles' study due to

i) selective use of references in journal articlesfor want of space; and

ii) appearance of several articles based on a the-sis , many references of which may be givenin more than one article but they may appearonly once in the thesis, particularly when thelist of references is given at the end of thethesis.

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A.K. BANDYOPADHYAY

Ranked List of Journals used In the Thesis sidering individual titles and sections and changedtitles as separate units, a list of 384 journals with

When all the 1809 journal citations are considered last rank position 35 was generated (Table 4).for preparing a ranked list in mathematics, con-

Table 4

Ranked list of journals used by mathematics scholars in their theses

SI Rank Journal name No. of Curnul. Percentage of Cumulativeno. no. citations no. of total journal percentage

citations citations

1 2 3 4 5 6 7

1 1 J APPL MECH 80 80 4.42 4.422 2 INT J ENG S 64 144 3.54 7.963 3 J PHYS B 52 196 2.88 10.844 4 J FLUID MEC 42 238 2.32 13.165 5 TECHNOMET 36 274 1.99 15.156 6 PROYSOCA 34 308 1.88 17.037 7 ZANGMATH 33 341 1.82 18.858 8 J APPL MA R 32 373 1.77 20.629 8 B CAL MATH SOC 32 405 1.77 22.39

10 9 ARCH R MECH 30 435 1.66 24.0511 9 Z ANG MATH MECH 30 465 1.66 25.7012 10 PLOND MATH 29 494 1.60 27.3113 11 PHYS REV A 28 522 1.55 28.8614 12 TAMMATHS 27 549 1.49 30.3515 13 IJ PAMATH 26 575 1.44 31.7916 13 ANN MATH STAT 26 601 1.44 33.2217 14 OJ MECH AP 25 626 1.38 34.6018 14 P CAMB PHIL SOC 25 651 1.38 35.9919 15 JAMSTATA 22 673 1.22 37.2020 15 FUND MATH 22 695 1.22 38.4221 16 PAM MATH S 21 716 1.16 .39.5822 17 J PHYS JPN 20 736 1.11 40.6923 17 PHYS REV 20 756 1.11 41.7924 18 B ACAD POL SC S T 19 775 1.05 42.8425 18 PHYS FLUIDS 19 794 1.05 43.8926 19 ARCH MECH STOS 18 812 0.99 44.8927 19 J MECH PHYS 18 830 0.99 45.8828 20 PACJMATH 16 846 0.88 46.7729 20 INT J SOL S 16 862 0.88 47.6530 21 IEEE RELIAB 15 877 0.83 48.4831 22 J APPL PHYS 14 891 0.77 49.2532 22 PUR AGEOPH 14 905 0.77 50.0333 22 IAPORT 14 919 0.77 50.8034 23 o APPL MATH 13 932 0.72 51.52

contd.

86 Ann Lib Sci Doc

CITATION ANAL YSIS OF DOCTORAL DISSERTA TIONS IN MA THEMA TICS USING dBASE 11I+

Table 4 (contn.)

SI Rank Journal name No. of Cumul. Percentage of Cumulativeno. no. citations no of total journal percentage

citations citations

1 2 3 4 5 6 7

35 23 EARTHQUAKE EN S 0 13 945 0.72 52.2436 23 J ELAST 13 958 0.72 52.9637 24 J AERO/SPACE SC 12 970 0.66 53.~238 24 TENSOR 12 982 0.66 54.2839 25 ACT MECHAN 11 993 0.61 54.8940 25 PHI T ROY A 11 1004 0.61 55.5041 25 J ENG MEC 11 1015 0.61 56.1142 26 (4 Journals) 10 1055 0.55 58.32

46 27 (6 Journals) 9 1109 a.50 61.31

52 28 (4 Journals) 8 1141 0.44 63.08

56 29 (6 Journals) 7 1183 0.39 65.4

62 30 (8 Journals) 6 1231 0.33 68.05

70 31 (19 Journals) 5 1316 0.28 73.3..

89 32 (23 Journals) 4 1418 0.22 78.38

145 33 33 (34 journals) 3 1520 0.166 84.02

195 34 34 (50 journals) 2 1620 0.111 89.57

384 35 35 (189 journals) 1 1809 0.555 100.00

Journal of Applied Mechanics tops the list with 80citations. Bulletin of the Calcutta Mathematical So-ciety coming in 8th position with 32 references inoverall ranking occupies top position amongstIndian journals in the list. First 11 journals cover25.7% of total journal citations, 32 titles cover 50%,96 titles for 75% and 111 titles with at least 4 cita-tions each, cover 78.38 % of total journal litera-ture. The list gives titles with 10 citations and less.

Vol 43 No 3 September 1996

Next the references were grouped according tothe subject of the source theses and ranked list ofjournals used by pure mathematics, applied math-ematics and statistics scholars were prepared asin Table Nos. 5, 6 and 7 respectively. It is foundthat to satisfy approximately 80% of journal re-quirements, 29 journals in statistics and 38 in puremathematics are required and in applied math-ematics 42 journals are required for covering 71%of the subject.

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A.X. BANDYOPADHYAY

Table 5

Ranked list of journals used in theses references of pure mathematics

SI. Rank Journal name No. of Cumul. Percentage of Cumulativeno. no. citations no. of total journal percentage

citations citations1 1 P LaND MATH 28 28 8.48 8.482 2 T AM MATH S 27 55 8.18 16.673 3 FUND MATH 22 77 6.67 23.334 4 PAM MATH S 21 98 6.36 29.705 5 PACJ MATH 16 114 4.85 34.556 6 TENSOR 12 126 3.64 38.187 7 J LOND MATH 9 135 2.73 40.918 7 BAM MATH S 9 144 2.73 43.649 7 I J P"AMATH 9 153 2.73 46.36

10 8 CZEC MATH J 8 161 2.42 48.7911 9 STUD MATH 6 167 1.82 50.6012 9 MATH ANNAL 6 173 1.82 52.4213 9 AMMATHMO 6 179 1.82 54.2414 10 CANJ MATH 5 184 1.51 55.7615 10 REV RO MATH PA 5 189 1.51 57.2716 10 J MATH ANAL 5 194 1.51 58.7917 10 B CAL-MATH SOC 5 199 1.51 60.3018 11 REAL MATH ANAL Y EXCH 4 203 1.21 61.5119 11 B INST MATH ACAD SIN 4 207 1.21 62.7320 11 J AUS MATH 4 211 1.21 63.9421 11 MATH SLOVACA 4 215 1.21 65.1522 11 DUKE MATH J 4 219 1.21 66.3623 11 BOLL U MAT ITAll 4 223 1.21 67.5724 12 PIMP ACAD TOKYO 3 226 0.91 68.4825 12 TEX J SC 3 229 0.91 69.3926 12 B ACAD POL SC SMAP 3 232 0.91 70.3027 12 YOKOHAMA MATH J 3 235 0.91 71.2128 12 B AUST MATH SOC 3 238 0.91 72.1229 12 B MATH SOC S M ROUMA 3 241 0.91 73.0330 12 ATTI ACCAD NAZ L R S 3 244 0.91 73.9431 12 COLLOQ MATH 3 247 0.91 74.8432 12 ILLJ MATH 3 250 0.91 75.7533 12 ACT MATH HU 3 253 0.91 76.6634 12 IJ MATH 3 256 0.91 77.5735 13 COLLECT MATH 2 258 0.61 78.1836 13 ANN SOC SC BRUX 1 2 260 0.61 78.7837 13 ANN MATH 2 262 0.61 79.3938 13 KYUNGPOOK MATH J 2 264 0.61 80.0039 13 TOHOKUMATH 2 266 0.61 80.6040 13 ACT MATH ACAD S HU 2 268 0.61 81.2141 13 TRUMATH 2 270 0.61 81.8142 13 J I MATH sac 2 272 0.61 82.4243 13 INDAG MATH 2 274 0.61 83.0344 13 MATSBORNIK 2 276 0.61 83.6345 13 P NAS US 2 278 0.61 84.2446 13 PUB INST MATH 2 280 0.61 84.84

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CITATION ANAL YSIS OF DOCTORAL DISSERTATIONS IN MATHEMA TICS USING dBASE 111+

Table 6

Ranked list of journals used in theses references of applied mathematics

SI Rank Journal name No. of Cumul. Percentage of Cumulativeno. no. citations no. of journal total percentage

citations citations

1 1 J APPL MECH 79 79 6.53 6.532 2 INT J ENG S 64 143 5.29 11.833 3 J PHYS B 52 195 4.30 16.134 4 J FLUID MEC 42 237 3.47 19.605 5 P ROYSOCA 34 271 2.81 22.416 6 ZANG MATH 33 304 2.73 25.147 7 J APPL MA R 32 336 2.65 27.798 8 ARCH R MECH 30 366 2.48 30.279 8 Z ANG MATH MECH 30 396 2.48 32.75

10 9 PHYS REV A 28 424 2.32 35.0711 10 B CAL MATH SOC 27 451 2.23 37.3012 11 QJ MECH AP 25 476 2.07 39.3713 11 P CAMB PHIL SOC 25 501 2.07 41.4414 12 J PHYS JPN 20 521 1.65 43.0915 12 PHYS REV 20 541 1.65 44.7516 13 PHYS FLUIDS 19 560 1.57 46.3217 14 B ACAD POL SC S T 18 578 1.49 47.8118 14 J MECH PHYS 18 596 1.49 49.3019 14 ARCH MECH STOS 18 614 1.49 50.7920 15 I J PAMATH 17 631 1.41 52.1921 16 INT J SOL S 16 647 1.32 53.5222 17 J APPL PHYS 14 661 1.16 54.6723 17 PUR AGEOPH 14 675 1.16 55.8324 18 EARTHQUAKE EN S D 13 688 1.07 56.9125 18 QAPPLMATH 13 701 1.07 57.9826 18 J ELAST 13 714 1.07 59.0627 19 J AERO/SPACE SC 12 726 0.99 60.0528 20 ACT MECHAN 11 737 0.91 60.9629 20 J ENG MEC 11 748 0.91 61.8730 20 PHI T ROY A 11 759 0.91 62.7831 21 I J TH PHYS 10 769 0.83 63.6132 21 J MATH PHYS 10 779 0.83 64.4333 22 CRACS 9 788 0.74 65.1834 22 APPL SCI RES A 9 797 0.74 65.9235 22 P VIB PROB 9 806 0.74 66.6736 22 PRIKL MEKH 9 815 0.74 67.4137 23 APPL SCI RES B 8 823 0.66 68.0738 23 B SEIS S AM 8 831 0.66 68.7339 24 J GEOTECH E 7 838 0.58 69.3140 24 J HEATTRAN 7 845 0.58 69.8941 24 AIAAJ 7 852 0.58 70.4742 24 INT J HEAT 7 859 0.58 71.05


A.X. BANDYOPADHYAY

Table 7

Ranked list of journals used in theses references of statistics

SI. Rank Journal name No. of Cumulative Percentage of Cumulativeno. no. citations no. of journal total citations percentage

citations

1 1 TECHNOMET 36 36 13.33 13.332 2 ANN MATH STAT 26 62 9.63 22.963 3 JAMSTATA 22 84 8.15 31.114 4 IEEE RELIAB 15 99 5.56 36.675 5 IAPQRT 14 113 5.18 41.856 6 J ROY STAB 9 122 3.33 45.197 6 BIOMETRIKA 9 131 3.33 48.528 7 OPERATRES 7 138 2.59 51.119 8 SANKHYAA 6 144 2.22 53.33

10 9 NAV RES LOG 5 149 1.85 55.1911 9 P NAT SYMP RELIAB ac 5 154 1.85 57.0412 9 COMMSTATA 5 159 1.85 58.8913 9 IND QUALITY CONTROL 5 164 1.85 60.7414 9 CAL STAT ASSOC B 5 169 1.85 62.5915 10 ZASTOSOWANIA MAT A M 4 173 1.48 64.0716 10 METRIKA 4 177 1.48 65.5617 10 ANN I STAT 4 181 1.48 67.0418 10 J OPER RES SOC JPN 4 185 1.48 68.5219 10 AUST JSTAT 4 189 1.48 70.0020 10 COMMSTAT 4 193 1.48 71.4821 11 BIOMETRICS 3 196 1.11 72.5922 11 BINTSTATI 3 199 1.11 73.7023 11 APPLSTAT 3 202 1.11 74.8124 11 J APPL PROB 3 205 1.11 75.9225 11 P I SC CONG ASSOCN 3 208 1.11 77.0326 11 J I SOC AGRI STAT 3 211 1.11 78.1427 12 DEFENCE SC J 2 213 0.74 78.8928 12 J RES NBS 2 215 0.74 79.6329 12 SANKHYA 2 217 0.74 80.3730 12 INTSTATR 2 219 0.74 81.11

Ranked List for References back upto 1961 the quantum of published literature in the new pe-riodicals is limited by the period for which theyhave been in existance." To reduce the gain oflong run titles for their very old issues, a short listof references was considered back upto 1961 only(20 years from the earliest year of source docu-ment - 1981) (Table 8).

According to Sengupta [4], "in ranking list basedon total number of citations irrespective of chro-nology, the ranking of the newly established peri-odicals may not be an accurate index of demandor usefulness to the research workers because

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CITA TION ANAL VSIS OF DOCTORAL DISSERTA T/ONS IN MA THEMA TICS USING dBASE 11I+

Table 8

Ranked list of journal references (back upto 1961)used by mathematics scholars in their theses

SI. Rank Journal name No. of Cumulative Percentage of Cumulativeno. no. citations no. of journal total citations percentage

citations

1 1 INT J ENG S 64 64 4.85 4.852 2 J APPL MECH 56 120 4.25 9.103 3 J PHYS B 52 172 3.94 13.044 4 J FLUID MEC 36 208 2.73 15.775 5 TECHNOMET 30 238 2.27 18.046 5 ZANGMATH 30 268 2.27 20.327 6 B CAL MATH SOC 29 297 2.20 22.528 7 PHYS REV A 28 325 2.12 24.649 8 J APPLMA R 27 352 2.05 26.69

10 9 IJ PAMATH 26 378 1.97 28.6611 10 ARCH R MECH 24 402 1.82 30.4812 11 B ACAD POL SC S T 19 421 1.44 31.9213 12 Z ANG MATH MECH 18 439 1.36 33.2814 12 QJ MECH AP 18 457 1.36 34.6515 13 PHYS REV 17 474 1.29 35.9416 14 PHYS FLUIDS 16 490 1.21 37.1517 14 J PHYS JPN 16 506 1.21 38.3618 14 INT J SOL S 16 522 1.21 39.5819 14 P CAMB PHIL SOC 16 538 1.21 40.7920 15 IEEE RELIAB 15 553 1.14 41.9221 15 PACJMATH 15 568 1.14 43.0622 16 PAMMATHS 14 582 1.06 44.1223 16 JAMSTAT A 14 596 1.06 45.1824 16 IAPQRT 14 610 1.06 46.2425 16 PUR AGEOPH 14 624 1.06 47.3126 16 T AM MATH S 14 638 1.06 48.3727 16 ARCH MECH STOS 14 652 1.06 49.4328 17 J ELAST 13 665 0.99 50.4129 17 EARTHQUAKE EN S D 13 678 0.99 51.4030 18 J MECH PHYS 12 690 0.91 52.3131 18 FUND MATH 12 702 0.91 53.2232 19 P ROY SOC A 11 713 0.83 54.0533 19 J ENGMEC 11 724 0.83 54.8934 19 TENSOR 11 735 0.83 55.7235 19 ACT MECHAN 11 746 0.83 56.5636 20 I J TH PHYS 10 756 0.76 57.3137 21 PRIKL MEKH 9 765 0.68 58.0038 22 P LOND MATH 8 773 0.61 58.6039 22 CZEC MATHJ 8 781 0.61 59.2140 22 APPL SCI RES A 8 789 0.61 59.8241 22 B SEIS S AM 8 797 0.61 60.4242· 22 QAPPLMATH 8 805 0.61 61.03

Vol 43 No 3 September 1996 91

A.X. BANDYOPADHYAY

In comparing the two lists (Table 4 & 8), it is ob-served that there is minor change in rank positionfor most of the journals. New journals have gainedin position and the old ones have lost.

Some major changes as revealed in the study are:

P ROY SOC A has gone down to rank posi-tion 19 from 6,P LOND MATH has gone down to rank posi-tion 22 from 10,ANN MATH-.STAT has gone down to rank po-sition 24 from 13.

PHI T ROY A is no more in the list that had 25thrank position with 11 citations.

Sengupta's Weightage Formula

Sengupta [4] has provided the weitage formula as

(1)n n1

for correcting citations (to avoid the problem ofnewly emerged important journals getting less ci-tations only because of their short age). He hasshown while explaining his formula

"Y2-Y1 = 1970-1946 = 25 and Y2-Y3=1970-1968=3"where Y1=1946,Y2=1970and Y3=1968.lt is impliedthat, these will be Y2-(Y1-1} and Y2-(Y3-1}.

Then the formula will be :

C1= C. (2)n n1

Where, C = number of citations enumeratedC1 = corrected (We would say

Normalised) no. of citationsY1 = the begining year for which the ci-

tations are taken into consideration(1961 in this study).

92

the year upto which the sourcedocuments are consulted forcounting

CITATION ANAL YSIS OFDOCTORAL DISSERTATIONS IN MATHEMATICS USiNG dBASE 11I+

Table 9

Ranked list of normalised citation number according to SENGUPTA'S Formula

SI. Rank Journal name Normalised Enumerated Year of Year ofno. no. citation citation commencement closinq

number number

1 1 INT J ENG S 68.57 64 1963 02 2 J PHYS B 67.83 52 1968 03 3 PHYSHEV 56.67 17 1893 19694 4 J APPL MECH 56.00 56 1935 05 5 APPL SCI RES A 48.00 8 1947 19656 6 PHYS REV A 40.00 28 1970 07 7 I J PAMATH 37.14 26 1970 08 8 J FLUID MEC 36.00 36 1956 09 9 P CAMB PHIL SOC 34.29 16 1843 1974

10 10 ARCH MECH STOS 32.31 14 1949 197311 11 lANG.MATH 30.00 30 1950 012 11 TECHNOMET 30.00 30 1959 013 12 B CAL MATH SOC 29.00 29 1908 014 13 IAPQRT 28.00 14 1976 015 14 J APPL MA R 27.00 27 1958 016 15 ARCH R MECH 24.00 24 1957 017 16 EARTHQUAKE EN S D 20.53 13 1972 018 17 J ELAST 19.50 13 1971 019 ' 18 B ACAD POL SC S T 19.00 19 1953 020 19 INT J SOL S 18.46 16 1965 021 20 QJ MECH AP 18.00 18 1948 022 20 l ANG MATH MECH 18.00 18 1921 023 21 PHYS FLUIDS 16.00 16 1958 024 21 J PHYS JPN 16.00 16 1946 025 22 PACJ,MATH 15.00 15 1951 026 22 IEEE RELIAB 15.00 15 1952 027 22 P VIB PROB 15.00 7 1959 197428 23 JAMSTATA 14.00 14 1888 029 23 T AM MATH S 14.00 14 1900 030 23 PAM MATH S 14.00 14 1950 031 23 PUR AGEOPH 14.00 14 1939 032 24 ACT MECHAN 12.69 11 1965 033 25 J GEOTECH E 12.35 7 1974 034 26 J MECH PHYS 12.00 12 1952 035 26 FUND MATH 12.00 12 1920 036 27 J ENG MECH 11.00 11 1956 037 27 TENSOR 11.00 11 1938 038 27 P ROYSOCA 11.00 11 1665 039 28 I J TH PHYS 10.00 10 1953 040 29 PRIKL MEKH 9.00 9 1955 041 30 czsc MATHJ 8.00 8 1951 042 30 QAPPL MATH 8.00 8 1943 043 30 P LONO MATH 8.00 8 1865 044 30 B SEISS AM 8.00 8 1911 0

Vol 43 No 3 September, 1996 93

A.K. BANDYOPADHYAY

Journal Used In Article$' References file. The ranked list of journals used in these ref-erences (Table 10) are 91 titles with 222 citationsin total. Fifteen journals covers about 50 % of thesecitations.

The articles appended to the theses, if any, werechecked and their references collected in ARTREF

Table 10

Ranked list of journals used in mathematics articles' references

SI. Rank Journalname No. of Cumuluative Percentage of Cumulativeno. no. citations no. of total journal percentage

citations citations

1 2 3 4 5 6 7

1 1 P LONO MATH 15 15 6.76 6.762 2 FUNOMATH 11 26 4.96 11.713 3 PAM MATH S 9 35 4.05 15.774 4 TAM MATH S 8 43 3.60 19.375 4 J ELAST 8 51 3.60 22.976 4 INT J ENG S 8 59 3.60 26.587 4 J PHYS JPN 8 67 3.60 30.188 5 ROYSOCA 7 74 3.15 33.349 5 AMMATHMO 7 81 3.15 36.49

10 6 B CAL MATH SOC 5 86 2.25 38.7411 6 J APPL MAR 5 91 2.25 40.9912 6 PACJ MATH 5 96 2.25 43.2413 6 J MECH PHYS 5 101 2.25 45.5014 7 J SC ENG RES 4 105 1.80 47.3015 7 IJ PAMATH 4 109 1.80 49.1016 8 9 Journals 3 136 1.35 61.26

25 9 19 Journals 2 174 0.90 78.738

91 10 48 Journal 1 222 0.45 100.00

Correlation Study However, when the theses references of onlythose theses containing article references are

The correlation analysis was made based on the considered, the correlation co-efficient is found toformula: be 0.5274. It indicates that the two lists are corre-

n. xy - ( x) ( y) lated although they are not very highly correlated.r= [1] It shows the difference of result coming out of jour-

[n.x2- {)()2]112.[ n. y2_(y)2]112 nal article reference and theses reference analy-sis. Here, one must note that theses references

The correlation co-efficient of all the theses refer- represent more exhaustive picture of scholar'sences and article references is found to be 0.5003. journal requirements.

94 Ann Lib Sci Doc

CITATION ANAL YSIS OF DOCTORAL DISSERTATIONS IN MATHEMATICS USING dBASE 111+

The correlation co-efficient of the journals of re-lated thesis references and the journals whereSurdwan University (S.U) scholars published theirarticles is fdund to be 0.2794 . It is strange enoughto note that the correlation co-eficient of the ar-ticles' references and the journals where the ar-ticles are published is only 0.0095. This againshows that the theses references give more realpicture of scholar's choice of journals. The corre-lation co-efficient of the theses references and thejournals that cite the articles of S.U. scholars isfound to be only 0.0858.

Journals Where B.U. Scholars Published TheirArticles

A ranked list of journals where mathematics ar-

ticles are published by B.U. scholars is given inTable 11. Tables 12, 13 and 14 give the list of jour-nals where articles of pure mathematics, appliedmathematics and statistics are published.

On checking the 20 journals where at least twoarticles have been published, it is found that 9 areof Indian origin. Thirty one out of sixty four articlesare published in Indian journals. On comparingTable 1~ with Table 4 it was found that most of thejournals where articles have been published werealso covered in the reference. However, more thanten journals of Table 11 have got less than 5 refer-ences each in Table 4. Many articles are publishedin low cited journals, may be to get a quick mediafor easy publlcation.

Table 11

Ranked list of journals where mathematics articles are published

SI. . Rank Journal name No. of Cumulative Percentage of Cumulativeno. no. citations no. of total journal percentage

citations citations

1 1 IJ PAMATH 12 12 12.90 12.902 2 INT J SOIL DEE 4 16 4.30 17.203 2 ACT MATH HU 4 20 4.30 21.504 2 B CAL MATH sac 4 24 4.30 25.815 2 BURDWAN UNIV J SC 4 28 4.30 30.116 2 INT J ENG S 4 32 4.30 34.417 3 J PHYSJPN 3 35 3.23 37.638 3 PHYS REV A 3 38 3.23 40.869 3 REV ~O SC TECH MEC 3 41 3.23 44.0910 3 IAPORT 3 44 3.23 47.3111 4 ANAL MATH 2 46 2.15 49.4612 4 B INST MATH ACAD SIN 2 48 2.15 51.6113 4 J APPL MECH 2 50 2.15 53.7714 4 LETT APPL ENG S 2 52 2.15 55.9215 4 IJMATH 2 54 2.15 58.0716 4 P I SC CONG ASSOCN 2 56 2.15 60.2217 4 P I NAT SC ACAD-A 2 58 2.15 62.3718 4 ACT CIENCIA I 2 60 2.15 64.5219 4 MATH STUDENT 2 62 2.15 66.6720 4 MATH SLOVACA 2 64 2.15 68.82

49 5 STAT STUDIES, DACCA 1 93 1.07 100.00

Vo143 No 3 September 1996 95

A.K. BANDYOPADHYAY

Table 12

Ranked list of journals where pure mathematics articles are published

SI. Rank Journal name No. of Cumulative Percentage of Cumulativeno. no. citations no. of total journal percentage

citations citations

1 1 IJ PA¥ATH 5 5 14.29 14.292 2 ACTMATHHU 4 9 11.43 25.713 3 MATH SLOVACA 2 11 5.71 31.434 3 ANAL MATH 2 13 5.71 37.145 3 B CAL MATH SOC 2 15 5.71 42.866 3 B INST MATH ACAD SIN 2 17 5.71 48.577 3 BURDWAN UNIV J SC 2 19 5.71 54.28

23 4 SCIENTIARUM HU 1 35 2.86 100.00

Table 13

.Ranked list of journals where applied mathematics articles are published

SI. Rank Journal name No. of Cumulative Percentage of Cumulativeno. no. citation no. of total journal percentage

citations citations

1 1 IJPAMATH 7 7 8.70 8.701 1 INT J SOIL 0 E E 4 11 15.22 23.913 2 INT J ENG S 4 15 8.70 32.614 3 J PHYS JPN 3 18 6.52 39.135 3 REV RO SC TECH MEC 3 21 6.52 45.656 3 PHYS REV A 3 24 6.52 52.177 4 BURDWAN UNIV J SC 2 26 4.35 56.528 4 J APPL.,MECH 2 28 4.35 60.879 4 LETT APPL ENG S 2 30 4.35 65.22

25 5 J PHYS B 46 2.17 100.00

96 Ann Lib Sci Doc

CITA TION ANAL YSIS OF DOCTORAL DISSERTA TIONS IN MA THEMA TICS USING dBASE 11I+

Table 14

Ranked list of journals where statistics articles are published


citations citations

1 1 IAPORT 3 3 27.27 27.272 2 P I SC CONG ASSOCN 2 5 18.18 45.45

8 3 STAT STUDIES, DACCA 1 11 9.09 100.00

Who Cites the Articles of B.U. MathematicsScholars

majority of the journals are of foreign origin. Theobvious reason is that the study is based on Sci-ence Citation Index, where the Indian journals arevery poorly represented. A majority. of the citationsfrom Phys. Rev. A are actually received by onlyone author for an article published in Phys. Rev.itself.

Table 15 shows the ranked list of journals thatcite the articles of S.U. mathematics scholars. Incomparing the journals that cite the articles pub-lished by the S.U. physics scholars, it is found that

Table 15

Ranked list of journals that cited articles of B.U. mathematics scholars


citations citations

1 1 PHYS REV A 14 14 35.00 35.002 2 IJ PAMATH 4 18 10.00 45.003 3 J PHYS S 3 21 7.50 52.504 3 CAN J PHYS 3 24 7.50 60.005 3 CZEC J PHYS 3 27 7.50 67.506 4 INT J ENG S 2 29 5.00 72.507 4 ACT MATH HU 2 31 5.00 77.508 5 J MATH ANAL 1 32 2.50 80.009 5 INT J HEAT 1 33 2.50 82.50

10 5 J APPL MECH 1 34 2.50 85.0011 5 IEEE REUAS 1 35 2.50 87.5012 5 COMPUTMATH 1 36 2.50 90.0013 5 J PHYS JPN 1 37 2.50 92.5014 5 J SOUND VIS 1 38 2.50 95.0015 5 JSME 1 39 2.50 97.5016 5 PHYS REV L 1 40 2.50 100.00


A.K. BANDYOPADHYAY

CONCLUSION

The work of oitation analysis, namely determiningthe main bibliographic forms used in any litera-ture, ranking of journals, normalised ranking basedon corrected citation number according toSengupta's formula, and correlation study of dif-ferent lists etc. can be done with great ease withthe help of the given programmes based on dBASE111+. The results of citation study based on the-sesreferences differs from that based on journalarticles' references. References given in the the-ses represent more exhaustive picture of schol-ars' journal requirements.

Average reference per page of thesis is found tobe lowest in pure mathematics (0.34), more inapplied mathematics (0.55) and highest in statis-tics (0.61). Journal articles constitute 80% of totalliterature used in mathematics. To satisfy 80% ofjournal requirements, 29 journals in statistics, 38journals in pure mathematics and 64 journals incase of applied mathematics are needed.

ACKNOWLEDGEMENT

The author is greatly indebted to Prof.M.l.Chakravorty for his valuable suggestions. The

98

author is also indebted to the Vice Chancellor Prof.Mohit Bhattacharyya and the Dean of Arts, Prof.Amit Mallick of Burdwan University for provid-ing required facilities for conducting the study.

REFERENCES

1. GOON (A M) ,GUPTA (M K) and DASGUPTA(B). Basic statistics. 2nd rev.ed. 1978. WorldPress; Calcutta. Chapt. 9, p.202.

2. INSDOC (New Delhi). National Union Cata-logue of Scientific Serials in India . 1988.INSDOC ; New Delhi. 4v.

3. SCIENCE CITATION INDEX, 1985 - 1989Cummulation: source publications.ISI;Philadelphia.

4. SENGUPTA (I N). Bibliometric research:growth of biomedical research. 1988. SBAPubs; Calcutta. V.1, Chapt. 7.

5. Opeit 4. Chapt. 9.

6. ULRICH'S INTERNATIONAL PERIODICALSDIRECTORY,1989-90. 1989. R.R.Bowker ;New York. 3v.

Ann Lib Sci Doc

CITATION ANAL YSIS OFDOCTORAL DISSERTA TlONS IN MATHEMA TICS USING dBASE 11I+

APPENDIX I

STRUCTURE OF DATABASES

DATABASE NAME: THREF.DBF

Field Field Name Type Width

1 REFCODE C 52 REFTP C 23 REFYR N 44 NOREFAUTH N 25 JLNAME C 206 FPAGE C 47 SELFCIT N 18 THYR N 49 CITNO N 1

10 SUBJECT C 2

DATABASE NAME: ARTREF.DBF


1 REFCODE C 52 ARTNO N 23 REFTP C 24 REFYR N 45 NOREFAUTH N 26 JLNAME C 207 FPAGE C 48 ARTYR N 4

DATABASE NAME: THES.DBF


1 REFCODE C 52 ACCN C 53 FNAME C 154 SNAME C 155 THYR N 46 THT C 1507 GDN1 C 208 GDN2 C 209 NPG N 4

10 NOART N 211 SUBJECT C 2

contd.

Vo143 No 3 September 1996 99

A.K. BANDYOPADHYAY


DATABASE NAME: THART.DBF


1 REFCODE C 52 ARTNO N 23 DOCTP C 24 AUTHNO N 25 AUTH1 C 206 AUTH2 C 207 ART C 1508 JLNAME C 209 ARTYR N 4

10 VOL C 411 ISSUE C 412 FPAGE N 413 LPAGE N 414 REFNO N 2

DATABASE NAME: CITREF.DBF


1 REFCODE C 52 ARTNO N 23 CITTP C 24 CAUTH C 205 JLNAME C 206 REFYR N 47 FPAGE C 48 ARTYR N 4

DATABASE NAME: TEST.DBF


1 JLNAME C 202 CITNO N 4

100

contd.

APPENDIX I (con tn.)

Ann Lib Sci Doc

CITATION ANAL YSIS OF DOCTORAL DISSERTATIONS IN MATHEMATICS USING dBASE 11I+

APPENDIX I (contn.)


DATABASE NAME: RJLlST.DBF

Field Field Name Type Width Dee

1 SLNO N 42 RANKNO N 33 JLNAME C 204 CITNO N 45 CUMUL_NO N 46 PERCENT N 6 37 CUM-PERCEN N 6 3

DATABASE NAME: NJLlST.DBF

Field Field Name Type Width Dee

1 SLNO N 42 RANKNO N 33 JLNAME C 204 CITNO N 45 NCITNO N 6 36 CUMUL_NO N 4.7 PERCENT N 6 38 CUM-PERCEN N 6 39 SYR N 410 EYR N 4

DATABASE NAME: COR.DBF

123

JLNAMECITNOCIT2

C 20N 3N 3



A.K. BANDYOPADHYAY

APPEND/XII

PROGRAMMES USED FOR THE STUDY

Appendix 11.1

11.1: PROG. 1·BIBLIO.PRG'PROGRAMME FOR BIBLIOMETRIC ANALYSISSET STATUS OFFACCEPT 'ENTER DATA BASE NAME ON WHICH TO WORK:' TO FILENAMEUSE &FILENAMECHOICE=ODO WHILE CHOICE

CITATION ANAL YSIS OF DOCTORAL DISSERTATIONS IN MATHEMATICS USING dBASE 11I+

APPENDIX /I (contn.)CLEARACCEPT 'DATA BASE NAME? 'TO FILENAMEUSE &FILENAMEGO BonSTORE RECNOO TO YGO TOPCOUNT FOR REFTP ='b' TO MeCOUNT FOR REFTP ='c' TO MCCOUNT FOR REFTP ='j' TO MJCOUNT FOR REFTP = 'I' TO MLCOUNT FOR REFTP = 'm' TO MMCOUNT FOR REFTP ='r' TO MRCOUNT FOR REFTP ='5' TO MSCOUNT FOR REFTP = 'I ' TO MTCOUNT FOR REFTP = 'ta' TO MTACOUNT FOR REFTP ='un' TO MUNX=100NSET TALK OFFSET ALTERNAT TO &FILENAMeSET ALTERNAT ONCLEAR@12,1 SAY 'FIND A LIST OF BIBLIOGRAPHIC FORMS USED'@13,3 SAY 'UNDER A .TXT FILE NAMED AFTER &FILENAME'@16,1 SAY 'IF PRINTOUT NEEDED MAKE PRINTER READY, SAY "Y" AND PRESS ENTER'??ACCEPT 'IS PRINT OUT NEEDED? (Y/N) - ' TO YNIF UPPER(YN)='Y'SET PRINT ONENDIFCLEAR@ 12,3 SAY 'A LIST OF BIBLIOGRAPHIC FORMS USED FOLLOWS'WAITCLEAR?'. TABLE NO.'TTYPE OF DOCUMENTS USED IN THESES REFERENCES OF??' FORM NO. OF CITATION PERCENTAGE'??'BOOKS,MONOGRAPHS ETC. ',MB,MB*X??'JOURNALS?

',MJ,MJ*X

?'REPORTS ',MR,MR*X?TCONFERENCE/SEMINAR ETC. ',MC,MC*X??'THESIS ',MT,MT*X??'STANDARD ',MS,MS*X??'TABLE ',MTA,MTA*X?TUNPUBLISHED ',MUN,MUN'X??'LECTURE NOTES ',ML,ML*X? .TOTHERS ',MM,MM*X?"?'TOTAL ',MM+ML+MUN+MB+MC+MS+MT+MTA+MJ+MR,(MM+ML+MS+MTA+MUN+MB+MC+MJ+MR+MT)*XWAITSET ALTERNATOFFIF UPPER(YN)='Y'SET PRINT OFFENDIFSET TALK ONCLEARRETURN contd.


A.K. BANDYOPADHYAY

APPENDIX II (contn.)Appendix 11.3

'PROG.3

"RANKING.PRG"PROGRAMME FOR PREPARING RANKED LIST OF JOURNALSCLEARACCEPT 'DATABASE NAME?' TO FILENAMEUSE TESTAPPEND FROM &FILENAME F.:ORJLNAME>INDEX ON JLNAME TO TESTTOTAL ON JLNAME TO TMJLlSTUSE TMJLlSTSORT ON CITNOID TO MJLlSTUSE MJLlSTPUBLIC XSUMTOXUSE RJLlSTCOpy STRU TO &FILENAME.RUSE &FILENAME.RAPPE FROM MJLlSTUSE &FILENAME.R"PREPARING RANKED LISTSTORE 0 TO CNO , CPNO, NO, RNOSTORE 10000 TO MCITNOSETDECI TO 2DO WHILE .NOT. EOF()NO=NO+lIF MCITNO>CITNORNO=RNO+lENDIFSTORE CITNO TO MCITNOREPL SLNO WITH NOREPL RANKNO WITH RNOREPL CUMUL_NO WITH CNO+MCITNOSTORE CUMUl_NO TO CNOREPL PERCENT WITH MCITNO'l00f)(REPL CUM_PERCEN WITH CPNO+PERCENTSTORE CUM_PERCEN TO CPNOSKIPENDDOCLEAR@12,1 say 'FIND A RANKED LIST OF JOURNALS IN A .TXT FILE &FILENAME.R'WAITCLEAR@10,5 SAY.'THE RANKED LIST FOLLOWES'WAITCLEARUSE &FILENAME.RDISP ALLWAITCLEARUSE TEST@ 15,5 say "Type y on reply to zap ... (yln)"??ZAPCLOSE DATABASESERASE TEST.NDXERASE TMJLlST.DBFERASE MJLlST.DBFCLEARRETURN

Appendix 11.4

, PROG.4"PROGRAMME FOR PREPARING NORMALISED CITATION NO BY SENGUPTA'S FORMULA·'NORMCIT.PRGCLEARACCEPT 'ORIGINAL REFERENCE FILE NAME (WITHIN 6 LETTERS)? - ' TO FILENAME

contd.

104 Ann Lib Sci Doc

CITA TION ANAL YSIS OF DOCTORAL DISSERTA TIONS IN MA THEMA TICS USING dBASE 11I+

APPENDIX II (con tn.)

USE &FILENAMECOPY TO &FILENAME.6 FOR REFYR>=1961USE TESTAPPEND FROM &FILENAME.6INDEX ON JLNAME TO TESTTOTAL ON JLNAME TO TMJLlSTUSE TMJLlSTSORT ON CITNOID TO MJLlSTUSE MJLISTERASE TMJLlST.DBFDELE FOR JLNAME=' ,PACKUSE TESTCLEAR015,5 SAY "TYPE 'Y' ON REPLY TO ZAP ... (Y/N)"?ZAP?CLOSE DATABASESCLEAR"NOTING SYR AND EYR OF JOURNALS FROM JLlSTUSE NJLlSTCOPY STRU TO &FILENAME.6NUSEUSE &FILENAME.6NAPPE FROM MJLlSTUSE JLlSTINDEX ON JLNAME TO JLlSTUSESELECT 1USE &FILENAME.6NSELECT 2USE JLIST INDEX JUSTSELECT 1·SET RELATION TO JLNAME IN,TO JLlST '.DO WHILE .NOT. EOF()REPLACE SYR WITH B->SYRREPLACE EYR WITH B->EYRSKIPENDDOUSE'PREARING NCITNOUSE &FILENAME.6NDO WHILE .NOT. EOF()C=CITNODO CASECASE SYR=1961STORE SYR TO SYENDCASEDO CASECASE EYR=OSTORE 1990 TO EYCASE EYR>=1STORE EYR TO EYENDCASEN=(1 +EY -SY)DO CASECASE SYRNCITNORNO=RNO+1ENDIFSTORE NCITNO TO MCITNOREPL SLNO WITH NOREPL RANKNO WITH RNOREPL CUMUL_NO WITH CNO+MCITNOSTORE CUMUL_NO TO CNOREPL PERCENT WITH MCITNO'1001XREPL CUM_PERCEN WITH CPNO+PERCENTSTORE CUM_PERCEN TO CPNOSKIPENDDOclose dataERASE MJLlST.DBFERASE SJlIST.DBFERASE TEST.NDXERASE SJLlST.DBFSELECT 2ERASE JLlST.ndxCLEAR@12,3 SAY 'FIND A NORMALISED RANKED LIST OF JOURNALS'@13,5 SAY 'IN A .DBF FILE NAMED AFTER &FILENAME.NR'?WAITCLEAR@10,5 SAY 'THE NORMALISED RANKED LIST FOLLOWES'?@12,5SAY"TOAVOID GIVING 2ND AND LATER PAGES OF THELIST"@13,5 SAY "PRESS 'ESC' AND THEN PRESS 'C'"?WAITCLEARUSE &FILENAME.NRDISPALL RANKNO,JLNAME,CITNO,NCITNO,CUM_PERCEN,SYR,EYRWAITCLEARCLOSE DATABASESCLEARRETURN

Appendl:: 11.5

• PROG. 5

"PROGRAMME FOR FINDING CORRELATION COEFFICIENT"CORR.PRG

contd.


A.K. BANDYOPADHYAY

APPENDIX II (con tn.)

CLEAR012.2 SAY 'GIVE THE NAME OF THE TWO FILES CONTAINING'013.4 SAY 'THE JOURNAL LISTS TO BE COMPARED. '?ACCEPT 'FIRST SOURCE. FILE NAME? ' TO FILE1?ACCEPT 'SECOND SOURCE FILE NAME? ' TOFILE2?ACCEPT 'TARGET FILE NAME? (GIVE ANY NAME OF 7 LETTERS MAXIMUM)' TO FILE3?USE CORCOpy STRU TO &FILE3COpy STRU TO &FILE3.XUSE &FILE3APPEND FROM &FILE1 FOR JLNAME>' ,USE&FILE3REPLACE ALL CITNO WITH 0REPLACE ALL CIT2 WITH 1USE &FILE3.XAPPEND FROM &FILE2 FOR JLNAME>' ,USE &FILE3.XREPLACE ALL CITNO WITH 1USE &FILE3APPEND FROM &FILE3.XUSE&FILE3INDEX ON JLNAME TO &FILE3USE &FILE3 INDEX &FILE3TOTAL ON JLNAME TO &FILE3.TUSE &FILE3.TGOBOTTSTORE RECNO() TO NSUM CITNO TO SXSUM CIT2 TO SYSUM (CITNO)"'2 TO SX2SUM (CIT2)""2 TO SY2SUM (CITNO)"(CIT2)TO SXYR=(N"SXY·SX"SY)/«N·SX2·SX"·2)""(1/2)"(N·SY2-SY""2)""(1/2»CLEAR012.5 SAY 'NOTE DOWN THE CORRELATION COEFFICIENT OF THE TWO LISTS'014.5 SAY 'CORRELATION COEFFICIENT: R ='??R016,1 SAY 'FIND ALL THE JOURNALS AND THERE OCCURRANCE NO.lN THE TWO LISTS IN A .DBF FILE NAMED &FILE3.r?WAITCLEARRETURN

106 Ann Lib Sci Doc

CITA TION ANAL YSIS OFDOCTORAL DISSERTA TIONS IN MA THEMA TICS USING dBASE 111+

APPENDIX 111

SOFTWARE DETAILS & HANDLING/INVOKING THE SOFTWARE

The software is to be invoked by the command.00 BIBLIO (See Prog.1)

This will ask to enter the data base name on which to work.

On typing the data base name THREF, a menu with seven alternative choices will appear on the screen. Pressing the number attached againstthe choice will invoke the relevant programme. Required files should be present on the default disk.

Bibliographic Forms

For grouping the references according to their bibliographic forms, '3' is to be pressed from the opening menu. The DOCTYPE.PRG programme(Appendix 11.2) is used for the purpose. It gives the total number and percentage of the distribution of references of different bibliographicforms used. The programme is made flexible by using the macro variable '&filename'. On running the programme, it will ask for the' data basename? 'to be processed.

On typing the database name 'THREF' and pressing 'Enter' Key it will work on that file and give the output on the screen and also in a text filenamed thref.txt . This .txt file may be further edited through any word processor like Word Star.Jt desired. In case, a direct print out is desired,after making the printer ready, 'y' is to be pressed when the screen displays 'IS PRINT OUT NEEDED? (Y/N)-'

For making the study with subject groups like pure and applied mathematics and statistics, and also period groups of theses (1981-85 and 1986-90), the THREF.OBF file was divided into subject wise parts ofMAREF.DBF,MPREF.DBF and MSREF.OBF having references of applied and puremathematics and statistics with the help of commands like. USE THREF or COpy TO MAREF FOR SUBJECT ='ma' etc.The references were also divided into groups of year of submission (thyr) of theses from 1981 - 1985 and 1986 - 1990 in THREF85.0BFand THREF90.0BF with the commands:.USE THREF.COPY TO THREF85 FOR THYR1985

Ranking of Journals

For preparing ranked list of journals used in the references '4' is to be pressed from the opening menu. The RANKING.PRG programme(Appendix 11.3) is used for the purpose. Two blank data base structures TEST.OBF and RJLlST.OBF as shown in the Appendix are to be indefault disk while running the programme. On running the programme, it will ask for the data base name to wrok with. On typing the data basename, say 'thref', it will process the THREF.DBF file and prepare another data base named THREFR.DBF giving the ranked list of journals withcolumns like SLNO RANKNO JLNAME CITNO CUMUL_NO PERCENT CUM_PERCEN.A print out of this ranked list can be taken with the command:.USE THREFR.OBF .LIST OFF TO PRINTOne may have a better list with the help of a predefined REPORT FORM with headings etc. through the commands.USE THREFR.CREA REPO JLLlSTand then defining the desired output format and subsequently, running the command like .USE THREFR .REPORT FORM JLLlST TO PRINT

One may have a disk copy of this list as a text file also to merge it with some text or to edit it , by REPORT FORM JLUST TO THREFR. RankedList for References Back up to "i61A short list of references back upto 1961 was prepared with the help of the command.USE THREF .COPY TO THREF61 FOR REFYR>=1961.Then, using the ranking programme, the ranked list THREF61 R was prepared for journals back upto 1961.

Sengupta's weightage fprmula and its programme

For getting the' normalised ranked list of journals with corrected citation number of each journal, 5 is to be pressed from the opening menu. TheNORMCIT.PRG programme (Appendix 11.4) is used for the purpose. Year of starting (SYR), and year of closing (EYR) of each journal werenoted in a file JUST.DBF (Appendix) consulting Ref 2 and 6. When, the NORMCIT.PRG programme (Appendix 11.4)is run on a file to get a rankedlist of journals according to their normalised citation numbers, the JUST.OBF file and the blank structure of NJUST.OBF (Appendix) should bepresent in the default disk.The normalised citation number is named 'ncitno' to distinguish It from 'citno'. The programme was run on THREF,OBF file,

CORRELATION STUOYThe correlation analysis was made based on the formula mentioned in the text

For doing correlation study between any two journal lists, '6' is to be pressed from the opening mem"',e ~(jHn.pn.:; (Appendix 11.5)programme is used for the purpose, A blank file named COR.OBF as shown in Appendix should be I."~.;ent in the working disk while running theprogramme, The CITNOs of the first journal list will be renamed as CIT2 and those of the 2nd jou,'1al list will remain as CITNO. Then, thecorrelation coefficient of CfTNO and CIT2 (number of occurrance of the titles in In:, h·yO listo; references) is calculated. with the help of theCORR.PRG programme •


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