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SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
In this poster,we incorporate user query history, as context information, to improve the retrieval performance in interactive retrieval. Experiments using the TREC data show that ...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
Stemming can improve retrieval accuracy, but stemmers are language-specific. Character n-gram tokenization achieves many of the benefits of stemming in a language independent way,...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
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...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
In this paper, we introduce the fractal summarization model based on the fractal theory. In fractal summarization, the important information is captured from the source text by ex...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
Syntactic information potentially plays a much more important role in question answering than it does in information retrieval. Although many people have used syntactic evidence i...