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CHI
2003
ACM
16 years 7 months ago
SILVER: simplifying video editing with metadata
Digital video is becoming increasingly ubiquitous. However, editing video remains difficult for several reasons: it is a time-based medium, it has dual tracks of audio and video, ...
A. Chris Long, Juan P. Casares, Brad A. Myers, Ris...
VLDB
2007
ACM
225views Database» more  VLDB 2007»
16 years 6 months ago
An Approach to Optimize Data Processing in Business Processes
In order to optimize their revenues and profits, an increasing number of businesses organize their business activities in terms of business processes. Typically, they automate imp...
Marko Vrhovnik, Holger Schwarz, Oliver Suhre, Bern...
SIGMOD
2004
ACM
142views Database» more  SIGMOD 2004»
16 years 6 months ago
Conditional Selectivity for Statistics on Query Expressions
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
Nicolas Bruno, Surajit Chaudhuri
PODS
2003
ACM
142views Database» more  PODS 2003»
16 years 6 months ago
Query containment and rewriting using views for regular path queries under constraints
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
Gösta Grahne, Alex Thomo
PODS
2005
ACM
99views Database» more  PODS 2005»
16 years 6 months ago
XML type checking with macro tree transducers
MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...
Sebastian Maneth, Alexandru Berlea, Thomas Perst, ...
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