39 search results - page 3 / 8 » On Concurrency Control in Sliding Window Queries over Data S... |
PODS
2006
ACM
14 years 5 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
Publication
Thanaa M. Ghanem, Moustafa A. Hammad, Mohamed F. Mokbel, Walid G. Aref, and Ahmed K. Elmagarmid. "Incremental Evaluation of Sliding-window Queries over Data Streams". IEE...
PODS
2003
ACM
14 years 5 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
ADC
2010
Springer
13 years 15 days ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
TKDE
2008
13 years 5 months ago
2008
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 en...