Incremental Maintenance of Online Summaries Over Multiple Streams

We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent entries is computed in one pass and dynamically updated in constant time. The correlation between consecutive data element...

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Vydáno v:	IEEE transactions on knowledge and data engineering Ročník 20; číslo 2; s. 216 - 229
Hlavní autoři:	Altiparmak, F., Tuncel, E., Ferhatosmanoglu, H.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.02.2008 IEEE Computer Society The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Applied sciences Computer science; control theory; systems Computer systems and distributed systems. User interface Data analysis Data mining Data processing. List processing. Character string processing Data security Exact sciences and technology Information systems. Data bases Intrusion detection Memory organisation. Data processing Monitoring multiple streams On-line systems Online online update Prediction Quantization Queries Query processing Real time Sliding Software Stock markets Streams summarization Telecommunication network management Windows (intervals) multiple streams summarization online update Prediction quantization Streaming Correlation Database query data summarization Abstract Updating Maintenance synopsis Real time time-varying data predictive quantization Time varying system Signal quantization Sliding window Linguistics Multiple streams
ISSN:	1041-4347, 1558-2191
On-line přístup:	Získat plný text
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