2299 search results - page 264 / 460 » Logical Data Expiration |
181
Voted
EJC
2008
15 years 7 months ago
2008
In this paper we briefly describe a new conceptual model for XML called XSEM. It is a combination of several approaches in the area. It divides the conceptual modeling process to c...
156
Voted
CASCON
2004
15 years 7 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
176
click to vote
CLA
2004
15 years 7 months ago
2004
Ontology design is a complex and time-consuming process. It is extremely difficult for human experts to discover ontology from given data or texts. This paper presents a semi-autom...
136
click to vote
DS
2001
15 years 7 months ago
2001
We show how quantified constraints expressed in a sub-language of first-order logic, againstashareddatamodelthatisfreetoevolve, provideanexcellentwayof transporting domain-specific...
168
Voted
P2PKM
2004
15 years 7 months ago
2004
Abstract. We are interested in the development of a database management layer which is completely portable and, therefore, "pluggable" on top of multiple host platforms. ...