511 search results - page 36 / 103 » Inverting schema mappings |
PVLDB
2008
13 years 7 months ago
2008
A fundamental problem in information integration is to precisely specify the relationships, called mappings, between schemas. Designing mappings is a time-consuming process. To al...
DEXA
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
In order to formulate a meaningful XML query, a user must have some knowledge of the schema of the XML documents to be queried. The query will succeed only if the schema of the ac...
DAC
2006
ACM
14 years 8 months ago
2006
ACM
This paper presents a technique for preprocessing combinational logic before technology mapping. The technique is based on the representation of combinational logic using And-Inve...
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...