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SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 8 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
WSC
2007
15 years 6 months ago
How to synthesize nets from languages: a survey
In this paper we present a survey on methods for the synthesis of Petri nets from behavioral descriptions given as languages. We consider place/transition Petri nets, elementary P...
Robert Lorenz, Sebastian Mauser, Gabriel Juh&aacut...
ORDER
2010
101views more  ORDER 2010»
15 years 2 months ago
Definability in Substructure Orderings, II: Finite Ordered Sets
Let P be the ordered set of isomorphism types of finite ordered sets (posets), where the ordering is by embeddability. We study first-order definability in this ordered set. We ...
Jaroslav Jezek, Ralph McKenzie
ICC
2007
IEEE
107views Communications» more  ICC 2007»
15 years 10 months ago
Evaluation of Security for DSSS Under Repeater Jamming
—Direct sequence spread spectrum (DSSS) technique has been widely used in both military communications and commercial communications. On the other hand, it is a challenge to both...
Hang Wang, Jingbo Guo, Zanji Wang
CAV
2010
Springer
154views Hardware» more  CAV 2010»
15 years 8 months ago
Verifying Low-Level Implementations of High-Level Datatypes
For efficiency and portability, network packet processing code is typically written in low-level languages and makes use of bit-level operations to compactly represent data. Althou...
Christopher L. Conway, Clark Barrett