NDLI: Intelligent search in learning communities

Content Provider	IEEE Xplore Digital Library
Author	Xi Kong Grunwald, R. Boll, S. Heuten, W.
Copyright Year	2013
Description	Author affiliation: Univ. of Oldenburg, Oldenburg, Germany (Grunwald, R.; Boll, S.) \|\| OFFIS - Inst. for Inf. Technol., Oldenburg, Germany (Xi Kong; Heuten, W.)
Abstract	Online learning communities may help increase learning outcome of community members. Intelligent search in those communities may support users to obtain their own needed information. As other social networks there are different types of entities in a learning community, such as learning materials, `similar' persons, learning groups, tags. Accordingly there may be different relationships among them. We argue that those data can be accurately modeled by heterogeneous networks, and explore unified intelligent search that incorporates different types of entities using a spreading activation approach. We propose ISC-Search, which provides users with three types of search possibilities/strategies, in addition to the traditional one, and give them choices to fit their own information needs. These different search strategies leverage social data and content data in different ways to satisfy users' needs. They are (1) Intelligent search, which finds the relevant entities of different types in an online learning community; (2) Social first search, which searches first by social relationships; (3) Content first search, which finds the relevant entities first by content; (4) traditional search, which focuses on the search words themselves. We developed and implemented these search strategies for the online teaching and learning community expertAzubi, and compared these different search strategies in an experiment.
Starting Page	31
Ending Page	36
File Size	415851
Page Count	6
File Format	PDF
e-ISBN	9781467350945
DOI	10.1109/ICeLeTE.2013.6644343
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-23
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Social network services Communities Materials Search problems Educational institutions
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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