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» Managing Expressions as Data in Relational Database Systems
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ER
2008
Springer
110views Database» more  ER 2008»
15 years 8 months ago
Conjunctive Query Containment under Access Limitations
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
Andrea Calì, Davide Martinenghi
CORR
2011
Springer
259views Education» more  CORR 2011»
15 years 1 months ago
Automatic Optimization for MapReduce Programs
The MapReduce distributed programming framework has become popular, despite evidence that current implementations are inefficient, requiring far more hardware than a traditional r...
Eaman Jahani, Michael J. Cafarella, Christopher R&...
BTW
2007
Springer
100views Database» more  BTW 2007»
16 years 19 days ago
On Deriving Net Change Information From Change Logs - The DELTALAYER-Algorithm
: The management of change logs is crucial in different areas of information systems like data replication, data warehousing, and process management. One barrier that hampers the (...
Stefanie Rinderle, Martin Jurisch, Manfred Reicher...
MOBILWARE
2009
ACM
16 years 29 days ago
Pervasive Adaptation in Car Crowds
Abstract. Advances in the miniaturization and embedding of electronics for microcomputing, communication and sensor/actuator systems, have fertilized the pervasion of technology in...
Alois Ferscha, Andreas Riener
PODS
2010
ACM
306views Database» more  PODS 2010»
15 years 11 months ago
Optimizing linear counting queries under differential privacy
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
Chao Li, Michael Hay, Vibhor Rastogi, Gerome Mikla...