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» On Propagation of Deletions and Annotations Through Views
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PODS
2002
ACM
98views Database» more  PODS 2002»
14 years 3 months ago
On Propagation of Deletions and Annotations Through Views
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
Peter Buneman, Sanjeev Khanna, Wang Chiew Tan
CIKM
2006
Springer
13 years 7 months ago
Annotation propagation revisited for key preserving views
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
Gao Cong, Wenfei Fan, Floris Geerts
ICDE
1996
IEEE
103views Database» more  ICDE 1996»
14 years 5 months ago
Using Partial Differencing for Efficient Monitoring of Deferred Complex Rule Conditions
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
Martin Sköld, Tore Risch
ICIP
2009
IEEE
14 years 4 months ago
Towards A Low Cost Multi-camera Marker Based Human Motion Capture System
This paper presents a low cost real-time alternative to available commercial human motion capture systems. First, a set of distinguishable markers are placed on several human body...