Sciweavers

966 search results - page 187 / 194
» Small Alliances in Graphs
Sort
View
AAAI
2010
13 years 9 months ago
Compilation Complexity of Common Voting Rules
In computational social choice, one important problem is to take the votes of a subelectorate (subset of the voters), and summarize them using a small number of bits. This needs t...
Lirong Xia, Vincent Conitzer
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
13 years 9 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
SODA
2001
ACM
87views Algorithms» more  SODA 2001»
13 years 8 months ago
Steiner points in tree metrics don't (really) help
Consider an edge-weighted tree T = (V, E, w : E R+ ), in which a subset R of the nodes (called the required nodes) are colored red and the remaining nodes in S = V \R are colored ...
Anupam Gupta
WOTUG
2007
13 years 8 months ago
Concurrency Control and Recovery Management for Open e-Business Transactions
Concurrency control mechanisms such as turn-taking, locking, serialization, transactional locking mechanism, and operational transformation try to provide data consistency when con...
Amir R. Razavi, Sotiris Moschoyiannis, Paul J. Kra...
AML
2007
68views more  AML 2007»
13 years 7 months ago
A note on weak dividing
We study the notion of weak dividing introduced by S. Shelah. In particular we prove that T is stable iff weak dividing is symmetric. In order to study simple theories Shelah orig...
Byunghan Kim, Niandong Shi