469 search results - page 59 / 94 » Cluster-based query expansion |
230
Voted
ADC
2008
Springer
16 years 1 months ago
2008
Springer
This article describes how to implement efficient memory resident path indexes for semi-structured data. Two techniques are introduced, and they are shown to be significantly fas...
192
Voted
SIGIR
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we present a novel approach to Pseudo-Relevance Feedback (PRF) called Multilingual PRF (MultiPRF). The key idea is to harness multilinguality. Given a query in a la...
173
Voted
DL
1995
Springer
15 years 11 months ago
1995
Springer
The THOMAS system is designed to make legislative information available to the general public over the Internet, and can be regarded as a prototypeof a government digitallibrary. ...
210
Voted
TREC
2004
15 years 9 months ago
2004
In the robust track, we mainly tested our passage-based retrieval model with different passage sizes and weighting schemes. In our approach, we used two retrieval models, namely t...
222
Voted
IUI
2006
ACM
16 years 1 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...