1168 search results - page 36 / 234 » Optimization strategies for complex queries |
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
IPPS
2007
IEEE
14 years 4 months ago
2007
IEEE
1 The unstructured Peer-to-Peer (P2P) systems usually use a “blind search” method to find the requested data object by propagating a query to a number of peers randomly. In or...
SSDBM
2005
IEEE
14 years 4 months ago
2005
IEEE
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...
DEXA
2008
Springer
14 years 5 days ago
2008
Springer
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
IS
2008
13 years 10 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...