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» Nile: A Query Processing Engine for Data Streams
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CIKM
2011
Springer
13 years 11 months ago
MTopS: scalable processing of continuous top-k multi-query workloads
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
Avani Shastri, Di Yang, Elke A. Rundensteiner, Mat...
EDBT
2009
ACM
136views Database» more  EDBT 2009»
15 years 6 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...
ICALP
2005
Springer
15 years 5 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
118
Voted
SIGMETRICS
2011
ACM
208views Hardware» more  SIGMETRICS 2011»
14 years 2 months ago
Structure-aware sampling on data streams
The massive data streams observed in network monitoring, data processing and scientific studies are typically too large to store. For many applications over such data, we must ob...
Edith Cohen, Graham Cormode, Nick G. Duffield
72
Voted
WISE
2003
Springer
15 years 4 months ago
Data Stream Query Processing
Nick Koudas, Divesh Srivastava