1542 search results - page 49 / 309 » Using Queries to Improve Database Reverse Engineering |
68
Voted
MMDB
2003
ACM
15 years 2 months ago
2003
ACM
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
CLEF
2009
Springer
14 years 7 months ago
2009
Springer
We introduce a new multimodal retrieval technique which combines query reformulation and visual image reranking in order to deal with results sparsity and imprecision, respectively...
ADBIS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with the safe negation property. Some necessary conditions for this problem are given. A part of the ...
87
Voted
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Large web search engines have to answer thousands of queries per second with interactive response times. Due to the sizes of the data sets involved, often in the range of multiple...
ICALP
2007
Springer
15 years 3 months ago
2007
Springer
We consider several private database query problems. The starting point of this work is the element rank problem: the server holds a database of n integers, and the user an integer...