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» Semantics of Data Streams and Operators
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JUCS
2010
164views more  JUCS 2010»
15 years 10 days ago
On Sustainability of Context-Aware Services Among Heterogeneous Smart Spaces
Abstract: Most of ambient intelligence studies have tried to employ inductive methods (e.g., data mining) to discover useful information and patterns from data streams on sensor ne...
Jason J. Jung
ENTCS
2008
126views more  ENTCS 2008»
15 years 1 months ago
Comonadic Notions of Computation
We argue that symmetric (semi)monoidal comonads provide a means to structure context-dependent notions of computation such as notions of dataflow computation (computation on strea...
Tarmo Uustalu, Varmo Vene
DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
15 years 8 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou
PVLDB
2010
134views more  PVLDB 2010»
15 years 9 days ago
Conditioning and Aggregating Uncertain Data Streams: Going Beyond Expectations
Uncertain data streams are increasingly common in real-world deployments and monitoring applications require the evaluation of complex queries on such streams. In this paper, we c...
Thanh T. L. Tran, Andrew McGregor, Yanlei Diao, Li...
MMDB
2003
ACM
178views Multimedia» more  MMDB 2003»
15 years 7 months ago
Video query processing in the VDBMS testbed for video database research
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
Walid G. Aref, Moustafa A. Hammad, Ann Christine C...