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» Models and Issues in Data Stream Systems
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SSDBM
1994
IEEE
153views Database» more  SSDBM 1994»
15 years 1 months ago
An Object-Oriented Data Model for a Time Series Management System
The analysis of time series is a central issue in economic research and many other scientific applications. However, the data management functionality for this field is not provid...
Werner Dreyer, Angelika Kotz Dittrich, Duri Schmid...
IJCIM
2002
141views more  IJCIM 2002»
14 years 9 months ago
STEP-based data schema for implementing product data management system
Currently, the challenge of implementing a product data management system (PDMS) is how to ensure system integration and product data exchange is shared between heterogeneous syste...
Shen-Chou Yeh, Chun-Fong You
NETWORKING
2007
14 years 11 months ago
Streaming Performance in Multiple-Tree-Based Overlays
Abstract. In this paper we evaluate the data transmission performance of a generalized multiple-tree-based overlay architecture for peer-to-peer live streaming that employs multipa...
György Dán, Viktória Fodor, Ili...
VLDB
1999
ACM
124views Database» more  VLDB 1999»
15 years 1 months ago
Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
Mary Tork Roth, Fatma Ozcan, Laura M. Haas
AUSAI
1997
Springer
15 years 1 months ago
Evaluating a Qualitative Reasoner
In order to support verification, validation and analysis of dynamic Operations Research (OR) models a method of testing models against data is required. In the case of the QCM qu...
Sam Waugh, Tim Menzies, Simon Goss