1248 search results - page 115 / 250 » Querying and Updating the File |
GIS
2003
ACM
14 years 11 months ago
2003
ACM
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
XML is quickly becoming the de facto standard for data exchange over the Internet. This is creating a new set of data management requirements involving XML, such as the need to st...
EDBT
2010
ACM
14 years 5 months ago
2010
ACM
This paper presents P3Q, a fully decentralized gossip-based protocol to personalize query processing in social tagging systems. P3Q dynamically associates each user with social ac...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
With the development of positioning technologies and the boosting deployment of inexpensive location-aware sensors, large volumes of trajectory data have emerged. However, efficie...
VLDB
1992
ACM
14 years 2 months ago
1992
ACM
Multiversion two-phase locking (MV2PL) has been incorporated in some commercial transaction processing systems to support the serializable execution of queries. A drawback to this...