561 search results - page 90 / 113 » Two-stage language models for information retrieval |
CLEF
2009
Springer
13 years 8 months ago
2009
Springer
In this study, we describe our system at the Intellectual Property track of the 2009 CrossLanguage Evaluation Forum campaign (CLEF-IP). The CLEF-IP track addressed prior art searc...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
IUI
2006
ACM
14 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...
ER
1999
Springer
13 years 12 months ago
1999
Springer
Video data management (VDM) is fast becoming one of seminar topics in multimedia information systems. In VDM systems, there exists an important need for novel techniques and mechan...