EKAW
1999
Springer
14 years 27 days ago
1999
Springer
Abstract. This paper presents one approach to acquire knowledge from multiple experts. The experts are grouped into multilevel hierarchical structure, according to the type of know...
EKAW
1999
Springer
14 years 27 days ago
1999
Springer
Abstract. In this paper we study dynamic properties of knowledge-based systems. We argue the importance of such dynamic properties for the construction and analysis of knowledge-ba...
EKAW
1999
Springer
14 years 27 days ago
1999
Springer
Abstract. Conceptual Information Systems unfold the conceptual structure of data stored in relational databases. In the design phase of the system, conceptual hierarchies have to b...
EKAW
1999
Springer
14 years 27 days ago
1999
Springer
: The aim of this paper is to present an approach and automated tools for designing knowledge bases describing the contents of information sources in PICSEL2 knowledgediators. We a...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
Data mining can be used to extensively automate the data analysis process. Techniques for mining interval time series, however, have not been considered. Such time series are commo...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
One of the most challenging problems in data manipulation in the future is to be able to e ciently handle very large databases but also multiple induced properties or generalizatio...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
Efficient index construction in multidimensional data spaces is important for many knowledge discovery algorithms, because construction times typically must be amortized by perform...
DAWAK
1999
Springer
14 years 27 days ago
1999
Springer
Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on efficient quer...