Sciweavers

158 search results - page 10 / 32
» Tales From a Pod
Sort
View
PODS
1999
ACM
127views Database» more  PODS 1999»
15 years 1 months ago
Atomicity with Incompatible Presumptions
We identify one of the incompatibility problems associated with atomic commit :protocols that prevents them from being used together and weiderive a correctness criterion that cap...
Yousef J. Al-Houmaily, Panos K. Chrysanthis
PODS
2008
ACM
141views Database» more  PODS 2008»
15 years 9 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
PODS
2010
ACM
232views Database» more  PODS 2010»
15 years 2 months ago
Optimal sampling from distributed streams
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
ITS
2000
Springer
120views Multimedia» more  ITS 2000»
15 years 1 months ago
TEATRIX: Virtual Environment for Story Creation
This paper describes TEATRIX; a learning environment designed to help children, and their teachers, in the whole process of collaborative story creation. TEATRIX provides an enviro...
Rui Prada, Isabel Machado, Ana Paiva
COMPLEXITY
2006
144views more  COMPLEXITY 2006»
14 years 9 months ago
BML revisited: Statistical physics, computer simulation, and probability
Statistical physics, computer simulation and discrete mathematics are intimately related through the study of shared lattice models. These models lie at the foundation of all thre...
Raissa M. D'Souza