1004 search results - page 151 / 201 » Safe Constraint Queries |
CORR
2010
Springer
13 years 6 months ago
2010
Springer
In this paper, we propose a stochastic model to describe how search service providers charge client companies based on users' queries for the keywords related to these compan...
GIS
2010
ACM
13 years 3 months ago
2010
ACM
It is now common for video; real-time and collected, mobile and static, to be georeferenced and stored in large archives for users of expert systems to access and interact with. I...
PODS
2012
ACM
11 years 11 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Background: Finding relevant articles from PubMed is challenging because it is hard to express the user’s specific intention in the given query interface, and a keyword query ty...
STOC
2006
ACM
14 years 9 months ago
2006
ACM
The PCP theorem [3, 2] says that every language in NP has a witness format that can be checked probabilistically by reading only a constant number of bits from the proof. The cele...