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LMCS
2006
119views more  LMCS 2006»
15 years 6 months ago
Semantics of Separation-Logic Typing and Higher-order Frame Rules for Algol-like Languages
We show how to give a coherent semantics to programs that are well-specified in a version of separation logic for a language with higher types: idealized algol extended with heaps ...
Lars Birkedal, Noah Torp-Smith, Hongseok Yang
SSDBM
2002
IEEE
128views Database» more  SSDBM 2002»
15 years 11 months ago
Compressing Bitmap Indexes for Faster Search Operations
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
ICDE
2011
IEEE
233views Database» more  ICDE 2011»
14 years 10 months ago
Schema evolution analysis for embedded databases
—Dynamic software updating research efforts have mostly been focused on updating application code and in-memory state. As more and more applications use embedded databases for st...
Shengfeng Wu, Iulian Neamtiu
CORR
2004
Springer
151views Education» more  CORR 2004»
15 years 6 months ago
Finite-Tree Analysis for Constraint Logic-Based Languages: The Complete Unabridged Version
Logic languages based on the theory of rational, possibly infinite, trees have much appeal in that rational trees allow for faster unification (due to the safe omission of the occ...
Roberto Bagnara, Roberta Gori, Patricia M. Hill, E...
SIGMOD
2007
ACM
157views Database» more  SIGMOD 2007»
16 years 7 months ago
Compiling mappings to bridge applications and databases
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
Sergey Melnik, Atul Adya, Philip A. Bernstein