98 search results - page 13 / 20 » Specifying Schema Mappings for Query Reformulation in Data I... |
DGO
2004
13 years 9 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
OTM
2005
Springer
14 years 1 months ago
2005
Springer
The strong dynamics of peer-to-peer networks, coupled with the diversity of peer vocabularies, makes query processing in peer database systems a very challenging task. In this pape...
PODS
2012
ACM
11 years 10 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
LPNMR
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. The paper presents INFOMIX a successful application of ASP technology to the domain of Data Integration. INFOMIX is a novel system which supports powerful information int...