Sciweavers

3168 search results - page 191 / 634
» Neutrosophic Relational Data Model
Sort
View
SIGMOD
2000
ACM
121views Database» more  SIGMOD 2000»
15 years 8 months ago
TIP: A Temporal Extension to Informix
Commercial relational database systems today provide only limited temporal support. To address the needs of applications requiring rich temporal data and queries, we have built TI...
Jun Yang 0001, Huacheng C. Ying, Jennifer Widom
AIED
2009
Springer
15 years 10 months ago
Using Learning Decomposition to Analyze Instructional Effectiveness in the ASSISTment System
A basic question of instruction is how effective it is in promoting student learning. This paper presents a study determining the relative efficacy of different instructional conte...
Mingyu Feng, Neil T. Heffernan, Joseph E. Beck
PKDD
2000
Springer
116views Data Mining» more  PKDD 2000»
15 years 7 months ago
Prior Knowledge in Economic Applications of Data Mining
A common form of prior knowledge in economic modelling concerns the monotonicity of relations between the dependent and explanatory variables. Monotonicity may also be an important...
A. J. Feelders
WSC
2007
15 years 6 months ago
Verification and validation of simulation models
In this paper we discuss verification and validation of simulation models. Four different approaches to deciding model validity are described; two different paradigms that relate ...
Robert G. Sargent
ICEIS
2009
IEEE
15 years 10 months ago
DeXIN: An Extensible Framework for Distributed XQuery over Heterogeneous Data Sources
Abstract. In the Web environment, rich, diverse sources of heterogeneous and distributed data are ubiquitous. In fact, even the information characterizing a single entity - like, f...
Muhammad Intizar Ali, Reinhard Pichler, Hong Linh ...