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» Aggregate Evaluability in Statistical Databases
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PODS
2007
ACM
225views Database» more  PODS 2007»
14 years 8 months ago
Sketching unaggregated data streams for subpopulation-size queries
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
Edith Cohen, Nick G. Duffield, Haim Kaplan, Carste...
ICDE
2012
IEEE
204views Database» more  ICDE 2012»
11 years 10 months ago
Towards Multi-tenant Performance SLOs
—As traditional and mission-critical relational database workloads migrate to the cloud in the form of Databaseas-a-Service (DaaS), there is an increasing motivation to provide p...
Willis Lang, Srinath Shankar, Jignesh M. Patel, Aj...
PODS
2002
ACM
138views Database» more  PODS 2002»
14 years 8 months ago
Fast Algorithms For Hierarchical Range Histogram Construction
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
Sudipto Guha, Nick Koudas, Divesh Srivastava
EDBT
2006
ACM
144views Database» more  EDBT 2006»
14 years 8 months ago
Towards Expressive Publish/Subscribe Systems
Traditional content based publish/subscribe (pub/sub) systems allow users to express stateless subscriptions evaluated on individual events. However, many applications such as moni...
Alan J. Demers, Johannes Gehrke, Mingsheng Hong, M...
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
14 years 1 days ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee