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» Logics for the Relational Syllogistic
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LICS
1999
IEEE
14 years 6 days 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»
14 years 9 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
14 years 2 months 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
ICCAD
1999
IEEE
84views Hardware» more  ICCAD 1999»
14 years 6 days ago
Synthesis of asynchronous control circuits with automatically generated relative timing assumptions
This paper describes a method of synthesis of asynchronous circuits with relative timing. Asynchronous communication between gates and modules typically utilizes handshakes to ens...
Jordi Cortadella, Michael Kishinevsky, Steven M. B...
DT
1998
85views more  DT 1998»
13 years 7 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