discovery products and services: introduction and current trends marshall breeding director for...
TRANSCRIPT
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DISCOVERY PRODUCTS AND SERVICES:
Introduction and current trends
Marshall BreedingDirector for Innovative Technology and ResearchVanderbilt University LibraryFounder and Publisher, Library Technology Guideshttp://www.librarytechnology.org/http://twitter.com/mbreeding
MARS Local Systems & Services Discovery Layer Discussion Forum
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Description
An introduction to the genre of next-generation catalogs or discovery products.
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Crowded Landscape of Information Providers on the Web
Lots of non-library Web destinations deliver content to library patrons Google Search / Google Scholar Amazon.com Wikipedia Ask.com
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User expectations
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Evolution of library collection discovery tools
Bound handwritten catalogs Card Catalogs Library online catalogs – OPACs Next-Gen Catalogs / Discovery interfaces Web-scale discovery services
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Bound Catalog
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Card Catalog
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Online Card Catalog
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Web-based online catalog
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Next-generation Catalog
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Next-generation Catalog
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Modernized Interface
Single search box Query tools
Did you mean Type-ahead
Relevance ranked results Faceted navigation Enhanced visual displays
Cover art Summaries, reviews,
Recommendation services
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Web site as menu of search options
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Disjointed approach to information and service delivery
Silos Prevail Books: Library OPAC (ILS module) Articles: Aggregated content products, e-journal
collections OpenURL linking services E-journal finding aids (Often managed by link
resolver) Local digital collections
ETDs, photos, rich media collections Metasearch engines
All searched separately
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Lack of unified Web presence User’s don’t understand the distinctions
we make Catalog? Articles and Databases? Digital Library? Search our Site? Search interfaces based on content formats
or management applications Non-library Web sites are much more
unified
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A simple vision
A single point of entry to all the content and services offered by the library
…but with precision, nuanced sophistication, and multiple dimensions
Search:
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Web-scale discovery
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Online Catalog vs. Discovery Layer
Online Catalog Interface
conventions from an earlier Web era
Scope: Tied to the ILS and its content domain
Discovery Layer Modern interface
elements Scope: aims to
address broad range of components that constitute library collections
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Discovery Products
http://www.librarytechnology.org/
discovery.pl
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Decoupled from ILS
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Social discovery
Tags, user-supplied ratings and reviews Leverage social networking interactions to
assist readers in identifying interesting materials: BiblioCommons
Leverage use data for a recommendation service of scholarly content based on link resolver data: Ex Libris bX service
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Deep indexing Metadata can no longer serve as the only basis for
discovery Increasing opportunities to search the full contents
Google Library Print, Google Publisher, Open Content Alliance, government publications, etc.
High-quality metadata will improve search precision Commercial search providers already offer “search
inside the book” and searching across the full text of large book collections
Important transition to full-text book search beginning in library projects HathiTrust indexing 6 million volumes Must become a routine component of library discovery
Deep search highly improved by high-quality metadata
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Discovery product Trend
Initial products focused on technology AquaBrowser, Endeca, Primo, Encore, VUfind Mostly locally-installed software
Current phase focused on integrated access to both local content and remote articles to deliver Web-scale discovery. Examples: Summon (Serials Solutions) WorldCat Local (OCLC) EBSCO Discovery Service (EBSCO) Primo Central Encore Synergy
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Beyond Federated search
Federated Search / Metasearch use real-time queries against multiple information targets
No centralized index – presentation of dynamic results
Shallow results -- only a few results initially fetched from each target
Difficult to calculate relevancy Performance challenges
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Beyond local discovery interfaces
Pre-populated indexes Web-scale
Exploits the full depth and breadth of library collections
Beyond the bounds of the local library’s collection
Targets the universe of objective, vetted library content
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Pre-populated discovery services
New-generation interface Harvested local content
ILS metadata Institutional repositories, ETDs, Digital Collection
platforms Vendor-supplied indexes of library content
E-journals, databases, e-books Full-text and metadata corresponding to e-content
subscriptions Book collections beyond local library collections
Includes full-text indexing to the fullest extent possible
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Federated Search
Search: Digital
Collections
ProQuest
EBSCOhost
…MLA
Bibliography
ABC-CLIO
Search Results
Real-time query and responses
ILS Data
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Discovery Interface
Search: Digital
Collections
ProQuest
EBSCOhost
…MLA
Bibliography
ABC-CLIO
Search Results
Real-time query and responses
ILS Data
Local Index
Meta
Search
En
gin
e
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Web-scale Search
Search: Digital
Collections
ProQuest
EBSCOhost
…MLA
Bibliography
ABC-CLIO
Search Results
Pre-built harvesting and indexing
Con
solid
ate
d In
dex
ILS Data
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Web-scale Search + Federated Search
Search: Digital
Collections
ProQuest
…MLA
Bibliography
ABC-CLIO
Search Results
Pre-built harvesting and indexing
Con
solid
ate
d
Index
ILS Data
FedSearch Non-
harvestable
Resources
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Next-Gen Library Catalogs
Marshall BreedingNeal-Schuman PublishersMarch 2010
Volume 1 of The Tech Set
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Questions / Follow-up
Marshall Breedinghttp://www.librarytechnology.orgmarshall.breeding@vanderbi
lt.edu