Sciweavers

783 search results - page 105 / 157
» Context Consistency Management Using Ontology Based Model
Sort
View
159
Voted
KDD
2010
ACM
218views Data Mining» more  KDD 2010»
15 years 7 months ago
Online multiscale dynamic topic models
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
Tomoharu Iwata, Takeshi Yamada, Yasushi Sakurai, N...
KDD
2007
ACM
141views Data Mining» more  KDD 2007»
16 years 4 months ago
Detecting anomalous records in categorical datasets
We consider the problem of detecting anomalies in high arity categorical datasets. In most applications, anomalies are defined as data points that are 'abnormal'. Quite ...
Kaustav Das, Jeff G. Schneider
IOR
2008
105views more  IOR 2008»
15 years 3 months ago
The Stochastic Knapsack Revisited: Switch-Over Policies and Dynamic Pricing
The stochastic knapsack has been used as a model in wide ranging applications from dynamic resource allocation to admission control in telecommunication. In recent years, a variat...
Grace Y. Lin, Yingdong Lu, David D. Yao
156
Voted
CAI
2000
Springer
15 years 3 months ago
Schema Evolution in Software Engineering Databases - a New Approach in Adele Environment
Abstract. This paper discusses schema evolution in software engineering databases. After a study of existing approaches, we show that these approaches do not satisfy software engin...
Mohamed Ahmed-Nacer, Jacky Estublier
WSC
1997
15 years 5 months ago
A Hybrid Tool for the Performance Evaluation of NUMA Architectures
We present a system for describing and solving closed queuing network models of the memory access performance of NUMA architectures. The system consists of a model description lan...
James Westall, Robert Geist