55 search results - page 11 / 11 » Trajectory Databases: Data Models, Uncertainty and Complete ... |
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...
SSD
2001
Springer
13 years 11 months ago
2001
Springer
Recently there is much interest in moving objects databases, and data models and query languages have been proposed offering data types such as moving point and moving region toge...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The advent of XML as a universal exchange format, and of Web services as a basis for distributed computing, has fostered the apparition of a new class of documents: dynamic XML do...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...