66 search results - page 11 / 14 » Conjunctive Query Containment over Trees |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
ICDT
2010
ACM
14 years 5 months ago
2010
ACM
We consider a fragment of XPath named `forward-XPath', which contains all descendant and rightwards sibling axes as well as data equality and inequality tests. The satisfiabi...
ASUNAM
2010
IEEE
13 years 9 months ago
2010
IEEE
Subgraph matching is a key operation on graph data. Social network (SN) providers may want to find all subgraphs within their social network that "match" certain query gr...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
- The relevant performance metric for successful deployment of Radio Frequency Identification (RFID) systems for tag inventory applications is the latency for reading all tags with...