20197 search results - page 3902 / 4040 » Comparing Computational Power |
EDBT
2009
ACM
14 years 5 months ago
2009
ACM
Keyword searches are attractive because they facilitate users searching structured databases. On the other hand, tag clouds are popular for navigation and visualization purposes o...
EDBT
2009
ACM
14 years 5 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
EDBT
2009
ACM
14 years 5 months ago
2009
ACM
In this work we concentrate on categorization of relational attributes based on their data type. Assuming that attribute type/characteristics are unknown or unidentifiable, we an...
EDBT
2009
ACM
14 years 5 months ago
2009
ACM
Database storage managers have long been able to efficiently handle multiple concurrent requests. Until recently, however, a computer contained only a few single-core CPUs, and th...
GIS
2009
ACM
14 years 5 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...