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» The Complexity of Query Reliability
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139
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DLOG
2008
15 years 4 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
200
Voted
PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 5 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
131
Voted
INFOCOM
2008
IEEE
15 years 9 months ago
Distributed Operator Placement and Data Caching in Large-Scale Sensor Networks
Abstract—Recent advances in computer technology and wireless communications have enabled the emergence of stream-based sensor networks. In such sensor networks, real-time data ar...
Lei Ying, Zhen Liu, Donald F. Towsley, Cathy H. Xi...
119
Voted
DBVIS
1993
101views Database» more  DBVIS 1993»
15 years 6 months ago
Using Visualization to Support Data Mining of Large Existing Databases
In this paper, we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provid...
Daniel A. Keim, Hans-Peter Kriegel
SIGCOMM
1996
ACM
15 years 6 months ago
Multicasting Protocols for High-Speed, Wormhole-Routing Local Area Networks
Wormhole routing LANs are emerging as an effective solution for high-bandwidth, low-latency interconnects in distributed computing and cluster computing applications. An important...
Mario Gerla, Prasasth Palnati, Simon Walton