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Quasi-inverses of schema mappings

... Fagin, R.; Kolaitis, P. G.; Popa, L.; Tan, W. C. Author:  ...

Publication - huliganka - 04/17/2013 - 02:49 - 0 comments - 1 attachment

Constraint-based XML query rewriting for data integration

... Yu, C Popa, L ...

Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment

Query reformulation with constraints

... Let Σ1, Σ2 be two schemas, which may overlap, C be a set of constraints on the joint schema Σ1 ∪ Σ2, and q1 ... An (equivalent) reformulation of q1 in the presence of C is a Σ2-query, q2, such that q2 gives the same answers as q1 on any ...

Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment

XML mapping technology: Making connections in an XML-centric world

... M; Hernandez, MA; Coulthard, P; Yan, L; Popa, L; Ho, H.C.; Salter, C.C. Author:  ...

Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment

Semantic Adaptation of Schema Mappings when Schemas Evolve

... Yu, C Popa, L ...

Publication - cat - 04/16/2013 - 09:16 - 0 comments - 1 attachment