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» Definability as hypercomputational effect
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POPL
2004
ACM
14 years 10 months ago
A logic you can count on
We prove the decidability of the quantifier-free, static fragment of ambient logic, with composition adjunct and iteration, which corresponds to a kind of regular expression langu...
Silvano Dal-Zilio, Denis Lugiez, Charles Meyssonni...
VLDB
2007
ACM
121views Database» more  VLDB 2007»
14 years 10 months ago
Ranked Subsequence Matching in Time-Series Databases
Existing work on similar sequence matching has focused on either whole matching or range subsequence matching. In this paper, we present novel methods for ranked subsequence match...
Wook-Shin Han, Jinsoo Lee, Yang-Sae Moon, Haifeng ...
SIGMOD
2009
ACM
133views Database» more  SIGMOD 2009»
14 years 10 months ago
Hierarchical result views for keyword queries over relational databases
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
Shiyuan Wang, Jun'ichi Tatemura, Arsany Sawires, O...
SIGMOD
2006
ACM
112views Database» more  SIGMOD 2006»
14 years 10 months ago
Join minimization in XML-to-SQL translation: an algebraic approach
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
Murali Mani, Song Wang, Daniel J. Dougherty, Elke ...
SIGMOD
2004
ACM
107views Database» more  SIGMOD 2004»
14 years 10 months ago
Static Optimization of Conjunctive Queries with Sliding Windows Over Infinite Streams
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
Ahmed Ayad, Jeffrey F. Naughton