5954 search results - page 13 / 1191 » Querying Bi-level Information |
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
ECIR
2011
Springer
12 years 11 months ago
2011
Springer
We propose a method for search privacy on the Internet, focusing on enhancing plausible deniability against search engine query-logs. The method approximates the target search resu...
CLEF
2011
Springer
12 years 7 months ago
2011
Springer
Abstract. We propose a generative model for automatic query reformulations from an initial query using the underlying subtopic structure of top ranked retrieved documents. We addre...
VISUAL
1999
Springer
13 years 12 months ago
1999
Springer
Abstract. Methods for processing of pictorial queries speci ed by pictorial query trees are presented. Leaves of a pictorial query tree correspond to individual pictorial queries w...
SIGIR
1998
ACM
13 years 12 months ago
1998
ACM
