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SIGECOM
2008
ACM
94views ECommerce» more  SIGECOM 2008»
13 years 10 months ago
Optimizing query rewrites for keyword-based advertising
We consider the problem of query rewrites in the context of keyword advertisement. Given a three-layer graph consisting of queries, query rewrites, and the corresponding ads that ...
Azarakhsh Malekian, Chi-Chao Chang, Ravi Kumar, Gr...
ECEASST
2010
13 years 5 months ago
MySQL4OCL: A Stored Procedure-Based MySQL Code Generator for OCL
In this paper we introduce a MySQL code generator for a significant subset of OCL expressions which is based on the use of stored procedures for mapping OCL iterators. Our code gen...
Marina Egea, Carolina Dania, Manuel Clavel
WADS
2009
Springer
274views Algorithms» more  WADS 2009»
14 years 2 months ago
New Results on Visibility in Simple Polygons
We show that (A), 14 points on the boundary of a Jordan curve, and (B), 16 points in convex position encircled by a Jordan curve, cannot be shattered by interior visibility domains...
Alexander Gilbers, Rolf Klein
CORR
2006
Springer
121views Education» more  CORR 2006»
13 years 10 months ago
Use of UML and Model Transformations for Workflow Process Definitions
Currently many different modeling languages are used for workflow definitions in BPM systems. Authors of this paper analyze the two most popular graphical languages, with highest p...
Audris Kalnins, Valdis Vitolins
JCT
2011
74views more  JCT 2011»
13 years 5 months ago
Basis theorems for continuous n-colorings
This article is devoted to the study of continuous colorings of the n-element subsets of a Polish space. The homogeneity number hm(c) of an n-coloring c : [X]n → 2 is the least s...
Stefanie Frick, Stefan Geschke