Sciweavers

7640 search results - page 536 / 1528
» Event Database Processing
Sort
View
ICALP
2011
Springer
14 years 10 months ago
On the Semantics of Markov Automata
Markov automata describe systems in terms of events which may be nondeterministic, may occur probabilistically, or may be subject to time delays. We define a novel notion of weak ...
Yuxin Deng, Matthew Hennessy
SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 10 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
VLDB
2010
ACM
190views Database» more  VLDB 2010»
15 years 5 months ago
Continuous authentication on relational streams
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
Stavros Papadopoulos, Yin Yang, Dimitris Papadias
FPGA
2009
ACM
200views FPGA» more  FPGA 2009»
16 years 1 months ago
FPGA-based front-end electronics for positron emission tomography
Modern Field Programmable Gate Arrays (FPGAs) are capable of performing complex discrete signal processing algorithms with clock rates above 100MHz. This combined with FPGA’s lo...
Michael Haselman, Robert Miyaoka, Thomas K. Lewell...
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
16 years 6 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang