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SIGIR
2003
ACM
13 years 9 months ago
Modeling annotated data
We consider the problem of modeling annotated data—data with multiple types where the instance of one type (such as a caption) serves as a description of the other type (such as...
David M. Blei, Michael I. Jordan
SIGIR
2003
ACM
13 years 9 months ago
Query length in interactive information retrieval
Query length in best-match information retrieval (IR) systems is well known to be positively related to effectiveness in the IR task, when measured in experimental, non-interactiv...
Nicholas J. Belkin, Diane Kelly, G. Kim, Ja-Young ...
SIGIR
2003
ACM
13 years 9 months ago
Investigating the relationship between language model perplexity and IR precision-recall measures
An empirical study has been conducted investigating the relationship between the performance of a generative language model in terms of perplexity and the corresponding informatio...
Leif Azzopardi, Mark Girolami, Keith van Rijsberge...
SIGIR
2003
ACM
13 years 9 months ago
Retrieval and novelty detection at the sentence level
Previous research in novelty detection has focused on the task of finding novel material, given a set or stream of documents on a certain topic. This study investigates the more ...
James Allan, Courtney Wade, Alvaro Bolivar
SIGIR
2003
ACM
13 years 9 months ago
Stemming in the language modeling framework
James Allan, Giridhar Kumaran
SIGIR
2003
ACM
13 years 9 months ago
On the effectiveness of evaluating retrieval systems in the absence of relevance judgments
Soboroff, Nicholas and Cahan recently proposed a method for evaluating the performance of retrieval systems without relevance judgments. They demonstrated that the system evaluat...
Javed A. Aslam, Robert Savell
SIGIR
2003
ACM
13 years 9 months ago
HAT: a hardware assisted TOP-DOC inverted index component
A novel Hardware Assisted Top-Doc (HAT) component is disclosed. HAT is an optimized content indexing device based on a modified inverted index structure. HAT accommodates patterns...
S. Kagan Agun, Ophir Frieder
SIGIR
2003
ACM
13 years 9 months ago
An information-theoretic measure for document similarity
Recent work has demonstrated that the assessment of pairwise object similarity can be approached in an axiomatic manner using information theory. We extend this concept specifica...
Javed A. Aslam, Meredith Frost
SIGIR
2003
ACM
13 years 9 months ago
Using manually-built web directories for automatic evaluation of known-item retrieval
Information retrieval system evaluation is complicated by the need for manually assessed relevance judgments. Large manually-built directories on the web open the door to new eval...
Steven M. Beitzel, Eric C. Jensen, Abdur Chowdhury...