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CORR
2010
Springer
174views Education» more  CORR 2010»
13 years 11 months ago
Cut Elimination for a Logic with Induction and Co-induction
Proof search has been used to specify a wide range of computation systems. In order to build a framework for reasoning about such specifications, we make use of a sequent calculus...
Alwen Tiu, Alberto Momigliano
ENTCS
2008
120views more  ENTCS 2008»
13 years 11 months ago
Reasoning about B+ Trees with Operational Semantics and Separation Logic
The B+ tree is an ordered tree structure with a fringe list. It is the most widely used data structure for data organisation and searching in database systems specifically, and, p...
Alan P. Sexton, Hayo Thielecke
IIE
2006
101views more  IIE 2006»
13 years 11 months ago
Random Factors in IOI 2005 Test Case Scoring
We examine the precision with which the cumulative score from a suite of test cases ranks participants in the International Olympiad in Informatics (IOI). Our concern is the abilit...
Gordon V. Cormack
IJAIT
2006
103views more  IJAIT 2006»
13 years 11 months ago
Rendering Aesthetic Impressions of Text in Color Space
and renders an abstract color grid artwork reminiscent of early twentieth century abstract expressionism. Following Dewey's psychological interpretation of "aesthetic&quo...
Hugo Liu, Pattie Maes
ISCI
2008
93views more  ISCI 2008»
13 years 11 months ago
Safety, domain independence and translation of complex value database queries
This paper considers the theory of database queries on the complex value data model with external functions. Motivated by concerns regarding query evaluation, we first identify re...
Hong-Cheu Liu, Jeffrey Xu Yu, Weifa Liang