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SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
16 years 6 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...
MODELLIERUNG
2010
15 years 7 months ago
A Change Metamodel for the Evolution of MOF-Based Metamodels
: The evolution of software systems often produces incompatibilities with existing data and applications. To prevent incompatibilities, changes have to be wellplanned, and develope...
Erik Burger, Boris Gruschko
ICDE
2010
IEEE
189views Database» more  ICDE 2010»
15 years 6 months ago
Caching all plans with just one optimizer call
Abstract— Modern database management systems (DBMS) answer a multitude of complex queries on increasingly larger datasets. Given the complexities of the queries and the numerous ...
Debabrata Dash, Ioannis Alagiannis, Cristina Maier...
159
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HICSS
2007
IEEE
144views Biometrics» more  HICSS 2007»
16 years 12 days ago
The Indicator Browser: A Web-Based Interface for Visualizing UrbanSim Simulation Results
Abstract— UrbanSim is a large scale land use and transportation simulator that models the possible long-term effects of different policies on urban regions. The output is present...
Yael Schwartzman, Alan Borning
RECSYS
2010
ACM
15 years 6 months ago
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Since the development of the comparably simple neighborhood-based methods in the 1990s, a plethora of techniques has been developed to improve various aspects of collaborative fil...
Fatih Gedikli, Dietmar Jannach