654 search results - page 42 / 131 » Complexity of Answering Queries Using Materialized Views |
FOIKS
2004
Springer
14 years 1 months ago
2004
Springer
We introduce the formal framework of a generalized interaction scheme for information access between users and information sources. Within this framework we describe an interactio...
CASCON
2001
13 years 10 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
HICSS
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper describes critical factors for co-ordinated enterprise and IS/IT development and change in complex organizations in Sweden. These factors represent an answer on the cru...
AAAI
2007
13 years 10 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large a...
IS
2012
12 years 4 months ago
2012
When transforming data one often wants certain information in the data source to be preserved, i.e., we identify parts of the source data and require these parts to be transformed...