H. Jaudoin, J-m. Petit, C. Rey, M. Schneider, F. Toumani
rewriting using views in presence of value constraints
This thesis addresses the problem of query rewriting using views in the presence of value constraints. Value constraints allow for restricting value domain of a given attribute. They have been...
Querying Data Sources in a SuperPeer Data Management System (2004)
Jaudoin, H., Schneider, M., Vigier, F.
Numerous data integration systems have been proposing powerful query mechanisms of data sources. However these systems do not facilitate the evolution of existing schemas or the integration of new...
Rewriting queries using views with value integrity constraints (2004)
This paper deals with the problem of query rewriting using views in the context of description logics that allow nominals (or individual names) in the description language. Specifically, and without...
Information systems technologies for sustainable management: a global approach (2004)
Chanet, J.P., Jaudoin, H., Duboisset, M., Pinet, F.
The agricultural enterprise has in addition of its production activity, a preoccupation of natural resources and biodiversity preserving and a preoccupation of landscapes maintenance. These...
Pinet, F., Kang, M.A., Jaudoin, H.
Extended relational models used for geographic databases allow to store spatial data. Indeed, the common extension consists in adding a special attribute in tables; the values of this attribute in...
Agricultural geographic system interoperability with Peer-to-Peer (2003)
This paper outlines an on going work. Its purpose is to underline interoperability problems between geographic information systems in an agricultural context and to propose a P2P based architecture....
Jaudoin, H., Rey, C., Schneider, M., Vigier, F.
Recording of agricultural activities for different purposes such as traceability of products is a hard task which is faced to the problem of interoperability between different computer based...