Semantics in databases. Second international workshop, Dagstuhl Castle, Germany, January 7--12, 2001. Revised papers (Q1396800)

The articles of this volume will be reviewed individually. The preceding workshop has been reviewed (see Zbl 0885.68006). Indexed articles: \textit{Bertossi, Leopoldo; Katona, Gyula O. H.; Schewe, Klaus-Dieter; Thalheim, Bernhard}, Semantics in databases, 1-6 [Zbl 1017.68508] \textit{Barceló, Pablo; Bertossi, Leopoldo; Bravo, Loreto}, Characterizing and computing semantically correct answers from databases with annotated logic and answer sets, 7-33 [Zbl 1017.68040] \textit{Biskup, Joachim; Sprick, Barbara}, Towards unifying semantic constraints and security constraints in distributed information systems, 34-62 [Zbl 1017.68145] \textit{Decker, Hendrik}, Historical and computational aspects of paraconsistency in view of the logic foundation of databases, 63-81 [Zbl 1017.03013] \textit{Hartmann, Sven}, Soft constraints and heuristic constraint correction in entity-relationship modelling, 82-99 [Zbl 1017.68509] \textit{Hegner, Stephen J.}, Characterization of type hierarchies with open specification, 100-118 [Zbl 1017.68066] \textit{Klein, Hans-Joachim}, Null values in relational databases and sure information answers, 119-138 [Zbl 1017.68041] \textit{Link, Sebastian}, Consistency enforcement in databases, 139-159 [Zbl 1017.68042] \textit{Neven, Frank; Schwentick, Thomas}, Automata- and logic-based pattern languages for tree-structured data, 160-178 [Zbl 1017.68063] \textit{Seipel, Dietmar; Geske, Ulrich}, Cardinality constraints in disjunctive deductive databases, 179-199 [Zbl 1017.68043] \textit{Turull Torres, José María}, Semantic classifications of queries to relational databases, 200-228 [Zbl 1017.68044]