developments and trends in the lms and discovery arenas marshall breeding director for innovative...
TRANSCRIPT
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DEVELOPMENTS AND TRENDS IN THE LMS AND DISCOVERY ARENAS
Marshall BreedingDirector for Innovative Technology and ResearchVanderbilt University LibraryFounder and Publisher, Library Technology Guideshttp://www.librarytechnology.org/http://twitter.com/mbreedingProgram on National
Infrastructure
26 August 2010Stockholm
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Seminar Goal
The aim of the seminar is to create an understanding of the infrastructural challenges and to contribute to a plan of action for the future.
Library Directors and System managers will discuss different solutions of availability and management of e- resources in order to make strategic choices for the development of the infrastructure at a national level.
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Presentation Themes
Trends and recent developments in the library system market,
resource discovery services and resource management as indexing/knowledge bases
Creation and management of data wells for metadata
Ongoing discussion regarding options for building data wells in-house, open source or partnering with commercial actors.
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Summary
• development and trends in the library system market, regarding resource discovery services and resource management as indexing/knowledge bases. If I should emphasize something special, it is the question of data wells for metadata. We have been investigating the data well question in a report (plesase see below, Summary in English) and there is a discussion about building data wells in-house, open source or with commercial actors. We have also invited three commercial actors to the seminar. Not an easy question!Related is also the topic of the national catalogue LIBRIS as a local OPAC for the libraries. How can Libris work as, not only the national catalogue, but also as a local OPAC? The third topic is the future for ExLibris, Metalib/SFX in Sweden. We´re happy with SFX, but not with Metalib/federated search, how to continue? But the main focus at the seminar will be resource management/data well, although Libris and Metalib/SFX questions need to be included in the discussions.
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Basic Discovery Concepts
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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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Online Catalog
Search:
Search Results
ILS Data
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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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Discovery Delivery
Discovered content delivered through original repositories
Publisher agreements generally preclude exposing content for direct access
Should necessarily circumvent core role of publisher
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Benefits
Libraries: increased access to high-cost electronic content
Users: Easer access to research resources
Publishers: Increased impact of content products
IT perspective: advance harvesting makes more efficient use of resources than simultaneous real-time queries
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Toward a Large-scale National Discovery environment
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Obstacles and Challenges
Scaleable technology platform Acceptable relevancy-based retrieval for
large heterogeneous collections Acquisition of data and metadata for
aggregated index
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Opportunities
Climate more favorable to harvesting e-content for indexing
Highly scaleable, open source tools for discovery infrastructure Lucene SOLR
Many ongoing synergistic projects as possible collaborative partners
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Potential Commercial Partners Three commercial organizations will
participate in the seminar: Ex Libris Serials Solutions EBSCO
Each has negotiated access to commercial content products
Paved the way for library driven projects
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Other similar projects
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Summa
State and University Library of Denmark Locally built integrated search
Catalogs + articles Failed to receive EU funding due to lack
of guarantees to receive article data from publishers
Now Partnering with Serials Solution to use article index from Summon via API
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Trove
National Library of Australia Previously called Single Business Discovery
Project Brings together many previously separate
discovery systems Built in-house at NLA Prototype released May 2009 Includes some full-text as well as metadata Technology: Java, Lucene, SOLR, MySQL Details:
http://www.nla.gov.au/pub/gateways/issues/101/story01.html
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What about OCLC?
WorldCat: ever expanding repository of metadata Books mostly, increasing article metadata Focused on expanding WorldCat for broad
discovery ArticleFirst 23 million records April 2009 agreement with EBSCO for article
metadata (withdrawn?). Quantity of article metadata apparently not on
track to attain the same level of comprehensiveness as seen in Summon, EDS, Primo Central
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Developing the Data Well / Aggregated index
Aggregation of metadata and content Normalization – map metadata to make
indexing, facets, and presentation meaningful
De-duplication of records within and between content sources
FRBR – Collapsible groupings according to FRBR concepts: work – expression -- manifestation – item
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Content sources populating the Aggregated Index
Article metadata and full text Index views according to profile Coordinated with local OpenURL knowledge bases
Digital Collections LMS Metadata
Books, Microfilm, periodical titles, DVD, etc Blending of vendor provided metadata and
locally managed unique content At the cusp of being able to represent library
collections comprehensively
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Acquiring content for Aggregated Index
Agreements with publishers and providers of article content to libraries
Open access content Any OAI target Local digital collections Relevant library catalog data
OK with OCLC record use policies when aggregated at a national level?
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Data Well Construction
Technical Assembling technologies of adequate scale and capacity Indexing, Search and retrieval Normalizing
Business / Political Agreements with commercial publisher to provide
metadata or content Increasing expectation from libraries to allow harvesting
for discovery (Similar to COUNTER compliance, OpenURL support)
Improved performance at delivering library end users to publisher content
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Relationship with OpenURL Knowledgebase
The aggregation of article-level citations and content relates to journal title-level profile and availability data in the OpenURL knowledgebase
Important source of profiling needed to deliver appropriate views of the index for different libraries.
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A labor-intensive project
Business process Develop relationships with providers and publishers Construct contracts and licenses
Technical Create import process for each source:
Normalization, Mapping, de-duplication, FRBR groupings Initial load + constant incremental updates
Creation of highly scalable indexing and retrieval platform Must scale up to 1 billion articles Develop algorithms and tunings for appropriate relevancy
rankings Interface design
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Building Expectations for Article Discovery
Libraries should require agreements for harvesting as part of content licensing process
Library licenses have led to broad support for: COUNTER SUSHI OpenURL Linking
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Beyond Metadata
Increasing expectation for full-text indexing
Capacity present in e-journals for many years
Full-text book indexing more problematic Much full text not available Complex to index
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Heterogeneous index
Books – mere millions Articles – many hundreds of millions Digital objects – many hundreds of
millions
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How to deal with non-harvestable resources
Metasearch? Resource recommendation service Database spotlighting
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Positioning of Discovery vs native Interfaces
Current generation of discovery interfaces lack important features Service delivery (items borrowed, renewals,
fee payments, etc) Browse and other advanced search or
retrieval features Many libraries use native Web-based
catalog to supplement Native interfaces of major information
products appeal to discipline specialists
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Content + Services
Must go beyond discovery to fulfillment Further integration of user services
features into discovery interface Increased resource sharing capabilities
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LIBRIS
National Union Catalog > Local catalog? Local LMS?
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LMS deployments in Sweden -- Academic
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LMS deployments in Sweden -- Public
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The next new front for Library Discovery
Mobile
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Relevant Technology Trends
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Service-oriented architecture Key technology for interoperability
among diverse software applications New applications built with SOA
throughout Legacy applications with a services layer
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Aggregating data and metadata Open source Commercial partnerships
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Mobile access to library content and services
New opportunity to retain and attract library users
Mobile web and apps Working toward a unified Mobile library
presence Unify disjointed mobile silos the same
ambitions as we have for our the Web
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Questions and Discussion