529 search results - page 44 / 106 » A User-Centered Approach for Evaluating Query Expansion Meth... |
SIGIR
2012
ACM
11 years 11 months ago
2012
ACM
Most queries in web search are ambiguous and multifaceted. Identifying the major senses and facets of queries from search log data, referred to as query subtopic mining in this pa...
CLEF
2010
Springer
13 years 10 months ago
2010
Springer
This paper presents the UESTC contribution to the ImageCLEF 2010 medical retrieval task. For ad-hoc retrieval and case-based retrieval, we only use text information, and propose a ...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Although information retrieval research has always been concerned with improving the effectiveness of search, in some applications, such as information analysis, a more specific ...
SIGIR
2011
ACM
12 years 11 months ago
2011
ACM
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
There has been a great deal of work in recent years on processing and optimizing queries against XML data. Typically in these previous works, schema information is not considered,...