1358 search results - page 262 / 272 » Organizational Memory Systems: Challenges for Information Te... |
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
CISS
2007
IEEE
14 years 2 months ago
2007
IEEE
— In recent years, coherent space-frequency (SF) coded multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems have attracted great attentio...
EKAW
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...
ALPIT
2007
IEEE
14 years 2 months ago
2007
IEEE
While information retrieval (IR) and databases (DB) have been developed independently, there have been emerging requirements that both data management and efficient text retrieva...
GEOS
2009
Springer
14 years 8 days ago
2009
Springer
Abstract. The realization of Semantic Web reasoning is central to substantiating the Semantic Web vision. However, current mainstream research on this topic faces serious challenge...