NDLI: Definitive results finding in web search environment

Content Provider	IEEE Xplore Digital Library
Author	Yong-Mei Gao Ya-Lou Huang
Copyright Year	2009
Description	Author affiliation: College of Information Technical Science, NanKai University, Tianjin 300071, China (Yong-Mei Gao; Ya-Lou Huang)
Abstract	In web search area, queries with definitive results are frequently issued by people, such as “163” whose definitive URL is “http://www.163.com”. The definitive relationship of these queries and corresponding pages are much more stable than that of other queries. Improving search result for queries of this kind is expected to make a beneficial effect on overall performance of a search engine. According to this problem we proposed a search framework composed of online and offline two cooperative parts. Offline processor is an offline ranker used to automatically extract definitive ≪query, page≫pairs which will be seen as descriptions for corresponding pages and then given higher weights in online process to insure a better search result. ≪anchor text, destination page≫ pairs are used as candidate definitive pairs, because anchor texts can be seen as latent queries and can reply future issued queries. Above all, this framework moves the key point to offline part so it can be solved without critical limits on time and space and can meet online users' requirements. Experiment results showed that definitive results got by offline ranker can obtain 0.8647 on precision@top1 for 1400 queries on 100M URL corpus. A big promotion was made compared with traditional BM25_content based method (0.5845).
Starting Page	1510
Ending Page	1515
File Size	279645
Page Count	6
File Format	PDF
ISBN	9781424437023
DOI	10.1109/ICMLC.2009.5212258
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Web search Uniform resource locators Navigation Information retrieval Machine learning Cybernetics Educational institutions Electronic mail Search engines Web pages Web Search Definitive Result Finding Query Dependent Information Retrieval
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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