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LICS
1999
IEEE
15 years 11 months ago
First-Order Logic vs. Fixed-Point Logic in Finite Set Theory
The ordered conjecture states that least fixed-point logic LFP is strictly more expressive than first-order logic FO on every infinite class of ordered finite structures. It has b...
Albert Atserias, Phokion G. Kolaitis
ICDE
2008
IEEE
215views Database» more  ICDE 2008»
16 years 8 months ago
Fast and Simple Relational Processing of Uncertain Data
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
Lyublena Antova, Thomas Jansen, Christoph Koch, Da...
TIME
2007
IEEE
16 years 28 days ago
Temporal Relations of Intervals with a Gap
Forty-four relations are found between an interval and an interval with a gap ( rIIg ), capturing semantics that are distinct from those of the sets of constituting intervals and ...
Max J. Egenhofer
DT
1998
85views more  DT 1998»
15 years 6 months ago
How Much Logic Should Go in an FPGA Logic Block?
The logic blocks of most modern FPGAs contain clusters of look-up tables and flip flops, yet little is known about good choices for several key architectural parameters related ...
Vaughn Betz, Jonathan Rose
FUZZIEEE
2007
IEEE
16 years 1 months ago
Consistency of Reciprocal Preference Relations
— The consistency of reciprocal preference relations is studied. Consistency is related with rationality, which is associated with the transitivity property. For fuzzy preference...
Francisco Chiclana, Enrique Herrera-Viedma, Sergio...