Sciweavers

1949 search results - page 286 / 390
» A New Class Based Associative Classification Algorithm
Sort
View
ECSQARU
2009
Springer
14 years 3 months ago
A Note on Cumulative Stereotypical Reasoning
Abstract. We address the problem of providing a logical characterization of reasoning based on stereotypes. Following [6] we take a semantic perspective and we base our model on a ...
Giovanni Casini, Hykel Hosni
JIIS
2006
147views more  JIIS 2006»
13 years 9 months ago
Mining sequential patterns from data streams: a centroid approach
In recent years, emerging applications introduced new constraints for data mining methods. These constraints are typical of a new kind of data: the data streams. In data stream pro...
Alice Marascu, Florent Masseglia
ICDT
2007
ACM
133views Database» more  ICDT 2007»
14 years 3 months ago
XML Schema Mappings in the Presence of Key Constraints and Value Dependencies
Abstract. Schema mappings play a central role in both data integration and data exchange, and are understood as high-level specifications describing the relationships between data...
Tadeusz Pankowski, Jolanta Cybulka, Adam Meissner
PODS
2007
ACM
159views Database» more  PODS 2007»
14 years 9 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
PRDC
2006
IEEE
14 years 3 months ago
Minimal System Conditions to Implement Unreliable Failure Detectors
In this paper we explore the minimal system requirements to implement unreliable failure detectors. We first consider systems formed by lossy asynchronous and eventually timely l...
Antonio Fernández, Ernesto Jiménez, ...