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» Equivalences on Observable Processes
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CHI
2007
ACM
16 years 4 months ago
Studying activity patterns in CSCW
We study small distributed work groups capturing, managing, and reusing knowledge in a collaborative activity. We conceive this process as adaptation of a group to an activity and...
Gregorio Convertino, Thomas P. Moran, Barton A. Sm...
EDBT
2009
ACM
136views Database» more  EDBT 2009»
15 years 11 months ago
Rule-based multi-query optimization
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
Mingsheng Hong, Mirek Riedewald, Christoph Koch, J...
SSD
2007
Springer
171views Database» more  SSD 2007»
15 years 10 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
LICS
2006
IEEE
15 years 10 months ago
On the Expressiveness of Linearity vs Persistence in the Asychronous Pi-Calculus
We present an expressiveness study of linearity and persistence of processes. We choose the π-calculus, one of the main representatives of process calculi, as a framework to cond...
Catuscia Palamidessi, Vijay A. Saraswat, Frank D. ...
ERCIMDL
2005
Springer
109views Education» more  ERCIMDL 2005»
15 years 9 months ago
MedioVis - A User-Centred Library Metadata Browser
MedioVis is a visual information seeking system which was designed especially for library data. The objective target was to create a system which simplifies and optimizes the user...
Christian Grün, Jens Gerken, Hans-Christian J...