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119
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ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 7 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
145
Voted
ACL
1989
15 years 4 months ago
A Three-Valued Interpretation of Negation in Feature Structure Descriptions
Feature structures are informational elements that have been used in several linguistic theories and in computational systems for natural-language processing. A logicaJ calculus h...
Anuj Dawar, K. Vijay-Shanker
114
Voted
PPDP
2010
Springer
15 years 1 months ago
Equational axiomatization of call-by-name delimited control
Control operators for delimited continuations are useful in various fields such as partial evaluation, CPS translation, and representation of monadic effects. While many works in...
Yukiyoshi Kameyama, Asami Tanaka
LPNMR
1993
Springer
15 years 7 months ago
Negation as Partial Failure
We present a logic programming language which uses a four-valued bilattice as the underlying framework for semantics of programs. The two orderings of the bilattice reflect the c...
Bamshad Mobasher, Jacek Leszczylowski, Don Pigozzi
149
Voted
SBBD
2004
133views Database» more  SBBD 2004»
15 years 4 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto