Now showing items 1-3 of 3

    • Reftections on sorne fundamental issues of rule-based incremental update propagation 

      Manthey, Rainer (Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1994)
      Conference report
      Open Access
      This paper addresses two fundamental aspects of update propagation in deductive databases: 1. How to incrementally compute the sets of updates induced by a deductive rule from the changes of the data sets on which the ...
    • Towards a unified view of query- and update-driven Inference in deductive databases 

      Manthey, Rainer (Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1991)
      Conference report
      Open Access
      When thinking oí deductive databases, most people will probably associate this notion rather closely with problems of query processing: deductive database research is essen­ tially concerned with formalization and ...
    • Update propagation in chimera, an active DOOD language 

      Griefahn, Ulrike; Manthey, Rainer (Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1994)
      Conference report
      Open Access
      Propagating updates is an important task to be performed within many database services such as integrity checking, maintenance of materialized views, and condition monitoring. This paper is concerned with the propagation ...