research and academic collaboration in latin america dr. ricardo baeza-yates center for web research...
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Research and Academic Collaboration in Latin America
Dr. Ricardo Baeza-Yates
Center for Web Research
CS Dept., University of Chilewww.cwr.cl
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Agenda
• CS Research in Latin America
• Academic Institutions
• My Own Research
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Latin America
• PIB Growth: 4%• First year in this century where the
per capita income grows• Growth of 6.5% in the South Cone:
Argentina, Chile and Uruguay
Year 2004
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Steady Increase in Journal Publications
0
50
100
150
200
250
300
350
400
450
84 86 88 90 92 94 96 98
Source: Baeza-Yates & Pino, CS Research in Latin America, 2002
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Research Statistics (1990-98)
Country Researchers Papers Top Univs Top PeoBrazil 1200 1000 20 8México 400 350 10 2Argentina 100 350 4 2Chile 100 250 4 4Venezuela 60 150 3 -Colombia 60 20 1 -Rest 180 80 42 1Total 2100 2200 50 17
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Association of CS Teaching and Research Institutions in LA
Started in 1979 to formalize the Latin American Informatics Annual Conference (1974)
http://www.clei.org
http://www.clei.cl
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Main ActivitiesAnnual Latinoamerican Conference in Informaticsheld in a different country each year
• Average participation of about 800 people last years
• About 350 submitted papers and 30% accepted (trilingual)
• International program committee
• Iberoamerican CS Education Conference
• Award for Best Latin American Master Thesis
• Cooperation with ACM/IFIP in specific topics
• CLEI Electronic Journal (ISSN 0717- 5000)
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Last CLEI Conferences
2004 Arequipa - Perú
2003 La Paz - Bolivia
2002 Montevideo – Uruguay
2001 Mérida – Venezuela
2000 Ciudad de México
1999 Asunción - Paraguay
1998 Quito - Ecuador
1997 Valparaíso - Chile
1996 Bogotá - Colombia
1995 Canelas - Brasil
1994 Ciudad de México
1993 Bs. Aires - Argentina
1992 Gran Canaria - Spain
1991 Caracas - Venezuela
1990 Asunción - Paraguay
1989 Santiago de Chile
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This year: Cali – Colombia XXXI Conferencia Latinoamericana de Informática
http://www.clei2005.org/
from October 10 to 14, 2005
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19th World Computer CongressIFIP Congress 2006
co-located with CLEI 2006
•SANTIAGO de CHILE - 2006
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National Computer Societies
• SADIO (Argentina, 1960, www.sadio.org.ar)
• SBC (Brazil, 1978, www.sbc.org.br)
• SCMC (Cuba, 1978)
• SCCC (Chile, 1984, www.sccc.cl)
• SMCC (México, 1995, www.smcc.org.mx)
• SPC (Perú, 2001, www.spc.org.pe)
• SCC (Colombia, 2005?)• Many are sister societies with ACM & IEEE-CS
CLEI
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CLEI 2006
Together with:
... organized by SCCC in Santiago de Chile
IFIP World Computer CongressWCC 2006
http://www.wcc-2006.org
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Cooperation
• Bilateral agreements (e.g. with NSF)
• Mercosur Programs
• International Programs (Europe, United States, etc.)
• ALFA – European Union program for developing human resources in Latin America
• ALBAN- European Union scholarships for Latin American
• Fulbright
• ALICE Project (Latin American Internet connection with Europe )
• Iberoamerican S&T Cooperation: CYTED (LA, Spain, Portugal)
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My Own Research
• From Algorithms to Information Retrieval
• Information Mining Model
• Image Retrieval: WebFaces
• Web Mining– Crawling– Web Characterization & Dynamics– Impact on Search Engines and vice versa– Improving Web Sites– Query Mining
Center for
Web Researchwww.cwr.cl
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WebFaces
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WebFaces: Resultado
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Web Structure: Crawling
Static vs. Dynamic pagesPublic vs. Hidden pages
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The Web Grows …. and Dies
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Sites Migrate in the Structure
2000 2003
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Visualizando Migraciones20002000
2001
2002
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Visualizando Migraciones
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A Causal Model for Web Design
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Ubiquity for Crawlers
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Ubiquity for People
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How to Improve Web Design?
• User-driven design by Web mining• Analysis of navigation logs
– Improve organization
• Analysis of query logs (local site search)– Improve content and semantics of your text
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Navigation Mining: Site Restructuring
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Query Mining: Information Scent
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Content & Structure Mining
• Correlate Text Content with Link Structure– Text Clustering– Link Analysis
• Tool for Query, Content and Structure Mining in Web Sites