641 search results - page 97 / 129 » Studying Query Expansion Effectiveness |
ACL
2008
13 years 9 months ago
2008
Expert search, in which given a query a ranked list of experts instead of documents is returned, has been intensively studied recently due to its importance in facilitating the ne...
CGF
2005
13 years 7 months ago
2005
Semanticons can enhance the representation of files by offering symbols that are both meaningful and easily distinguishable. The semantics of a file is estimated by parsing its na...
TKDE
2010
13 years 6 months ago
2010
—Authority flow and proximity search have been used extensively in measuring the association between entities in data graphs, ranging from the Web to relational and XML database...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...