14248 search results - page 61 / 2850 » Queries |
ECIR
2008
Springer
13 years 10 months ago
2008
Springer
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
ELPUB
2008
ACM
13 years 10 months ago
2008
ACM
The initiative of standardization of MPEG Query Format (MPQF) has refueled the research around the definition of a unified query language for digital content. The goal is to provi...
CLEF
2007
Springer
14 years 3 months ago
2007
Springer
This paper describes our experiments on the Geographical Query Parsing pilot-task for English at GeoCLEF 2007. Our system uses some modules of a Geographical Information Retrieval...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...