Sciweavers

1654 search results - page 167 / 331
» Ontology Based Query Processing in Database Management Syste...
Sort
View
239
Voted
VLDB
2008
ACM
170views Database» more  VLDB 2008»
16 years 4 months ago
A layered framework supporting personal information integration and application design for the semantic desktop
With the development of inexpensive storage devices, space usage is no longer a bottleneck for computer users. However, the increasingly large amount of personal information poses ...
Isabel F. Cruz, Huiyong Xiao
180
Voted
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
14 years 6 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...
ICDE
2008
IEEE
165views Database» more  ICDE 2008»
16 years 5 months ago
Online Failure Forecast for Fault-Tolerant Data Stream Processing
In this paper, we present a new online failure forecast system to achieve predictive failure management for fault-tolerant data stream processing. Different from previous reactive ...
Xiaohui Gu, Spiros Papadimitriou, Philip S. Yu, Sh...
CINQ
2004
Springer
225views Database» more  CINQ 2004»
15 years 9 months ago
A Data Mining Query Language for Knowledge Discovery in a Geographical Information System
Spatial data mining is a process used to discover interesting but not explicitly available, highly usable patterns embedded in both spatial and nonspatial data, which are possibly ...
Donato Malerba, Annalisa Appice, Michelangelo Ceci
COOPIS
1996
IEEE
15 years 8 months ago
Integrity Constraint Checking in Federated Databases
A federated database is comprised of multiple interconnected database systems that primarily operate independently but cooperate to a certain extent. Global integrity constraints c...
Paul W. P. J. Grefen, Jennifer Widom