272 search results - page 48 / 55 » SQL Queries Over Unstructured Text Databases |
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Snapshot isolation (SI) provides significantly improved concurrency over 2PL, allowing reads to be non-blocking. Unfortunately, it can also lead to non-serializable executions in ...
DASFAA
2005
IEEE
14 years 29 days ago
2005
IEEE
The fundamental drawback of unstructured peer-to-peer (P2P) networks is the flooding-based query processing protocol that seriously limits their scalability. As a result, a signiï...
ICCV
2009
IEEE
13 years 5 months ago
2009
IEEE
With the popularity of "bag of visual terms" representations of images, many text indexing techniques have been applied in large-scale image retrieval systems. However, ...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Address geocoding, the process of finding the map location for a structured postal address, is a relatively well-studied problem. In this paper we consider the more general proble...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...