25112 search results - page 118 / 5023 » Data, Information, and Knowledge |
156
click to vote
GEOS
2005
Springer
15 years 12 months ago
2005
Springer
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
169
click to vote
EDM
2009
15 years 4 months ago
2009
Data mining methods are successful in educational environments to discover new knowledge or learner skills or features. Unfortunately, they have not been used in depth with collabo...
175
click to vote
TC
1998
15 years 7 months ago
1998
Data integrity policies often require that quality and integrity metadata be generated and communicated to potential users. However, in data warehouses, federations, and other mul...
164
click to vote
ICEIS
2003
IEEE
15 years 11 months ago
2003
IEEE
: A major problem that arises from integrating different databases is the existence of duplicates. Data cleaning is the process for identifying two or more records within the datab...
196
click to vote
PARMA
2004
15 years 7 months ago
2004
Hierarchical structures and catalogs is a way to organize and enrich semantically the available information in the Web. From simple tree-like structures with syntactic constraints ...