8311 search results - page 43 / 1663 » Phase-Based Information Retrieval |
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Hashtags are widely used in Twitter to define a shared context for events or topics. In this paper, we aim to predict hashtag popularity in near future (i.e., next day). Given a ...
DOCENG
2005
ACM
13 years 9 months ago
2005
ACM
Information Retrieval systems are limited by the linguistic variation of language. The use of Natural Language Processing techniques to manage this problem has been studied for a ...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
The aim of this study is to investigate whether element retrieval (as opposed to full-text retrieval) is meaningful and useful for searchers when carrying out information-seeking ...
ECIR
2011
Springer
12 years 11 months ago
2011
Springer
Abstract. Quantum theory (QT) has recently been employed to advance the theory of information retrieval (IR). A typical method, namely the Quantum Probability Ranking Principle (QP...
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
We reveal that the Okapi BM25 retrieval function tends to overly penalize very long documents. To address this problem, we present a simple yet effective extension of BM25, namel...