86 search results - page 16 / 18 » Efficient querying of distributed provenance stores |
IPPS
2000
IEEE
13 years 10 months ago
2000
IEEE
This paper presents an efficient parallel information retrieval (IR) system which provides fast information service for the Internet users on lowcost high-performance PC-NOW enviro...
SIGMOD
1999
ACM
13 years 10 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
ADBIS
2005
Springer
13 years 11 months ago
2005
Springer
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...
IPPS
1999
IEEE
13 years 10 months ago
1999
IEEE
Multidimensional Analysis and On-Line Analytical Processing (OLAP) uses summary information that requires aggregate operations along one or more dimensions of numerical data value...
SIGMOD
2009
ACM
14 years 6 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...