4961 search results - page 49 / 993 » Homomorphism-Homogeneous Relational Structures |
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
PAAPP
2007
13 years 9 months ago
2007
\Web users are nowadays confronted with the huge variety of available information sources whose content is not targeted at any specific group or layer. Recommendation systems aim...
ICFP
2007
ACM
14 years 10 months ago
2007
ACM
We analyze the computational complexity of kCFA, a hierarchy of control flow analyses that determine which functions may be applied at a given call-site. This hierarchy specifies ...
ECWEB
2005
Springer
14 years 3 months ago
2005
Springer
The Web continues to grow at a tremendous rate. Search engines find it increasingly difficult to provide useful results. To manage this explosively large number of Web documents,...