3514 search results - page 615 / 703 » On Moving Object Queries |
EDOC
2011
IEEE
12 years 9 months ago
2011
IEEE
—In this paper, we present a UML metamodel-based approach for creating and executing workflow models. The modeling language is introduced through its abstract syntax, and an eval...
CORR
2007
Springer
13 years 10 months ago
2007
Springer
The k-forest problem is a common generalization of both the k-MST and the dense-k-subgraph problems. Formally, given a metric space on n vertices V , with m demand pairs ⊆ V × ...
WWW
2005
ACM
14 years 10 months ago
2005
ACM
Search engines are the primary gateways of information access on the Web today. Behind the scenes, search engines crawl the Web to populate a local indexed repository of Web pages...
VLDB
2006
ACM
14 years 10 months ago
2006
ACM
The objective of extensible DBMSs is to ease the construction of specialized DBMSs for nontraditional applications. Although much work has been done in providing various levels of ...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...