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SIGIR
2005
ACM
10 years 6 months ago
Modeling task-genre relationships for IR in the workplace
Context influences the search process, but to date research has not definitively identified which aspects of context are the most influential for information retrieval, and thus a...
Luanne Freund, Elaine G. Toms, Charles L. A. Clark...
SIGIR
2005
ACM
10 years 6 months ago
Relation between PLSA and NMF and implications
Non-negative Matrix Factorization (NMF, [5]) and Probabilistic Latent Semantic Analysis (PLSA, [4]) have been successfully applied to a number of text analysis tasks such as docum...
Éric Gaussier, Cyril Goutte
SIGIR
2005
ACM
10 years 6 months ago
Linear discriminant model for information retrieval
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Jianfeng Gao, Haoliang Qi, Xinsong Xia, Jian-Yun N...
SIGIR
2005
ACM
10 years 6 months ago
Integrating word relationships into language models
In this paper, we propose a novel dependency language modeling approach for information retrieval. The approach extends the existing language modeling approach by relaxing the ind...
Guihong Cao, Jian-Yun Nie, Jing Bai
SIGIR
2005
ACM
10 years 6 months ago
Detecting phrase-level duplication on the world wide web
Dennis Fetterly, Mark Manasse, Marc Najork
SIGIR
2005
ACM
10 years 6 months ago
Top subset retrieval on large collections using sorted indices
In this poster we describe alternative inverted index structures that reduce the time required to process queries, produce a higher query throughput and still return high quality ...
Paul Ferguson, Alan F. Smeaton, Cathal Gurrin, Pet...
SIGIR
2005
ACM
10 years 6 months ago
An exploration of axiomatic approaches to information retrieval
Existing retrieval models generally do not offer any guarantee for optimal retrieval performance. Indeed, it is even difficult, if not impossible, to predict a model’s empirica...
Hui Fang, ChengXiang Zhai
SIGIR
2005
ACM
10 years 6 months ago
On evaluation of adaptive topic tracking systems
Summative evaluation methods for supervised adaptive topic tracking systems convolve the effect of system decisions on present utility with the effect on future utility. This pa...
Tamer Elsayed, Douglas W. Oard
SIGIR
2005
ACM
10 years 6 months ago
Search engines and how students think they work
To investigate the nature of people’s understandings for how search engines work, we collected data from 232 undergraduate and graduate students. Students were asked to “draw ...
Efthimis N. Efthimiadis, David G. Hendry
SIGIR
2005
ACM
10 years 6 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
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