Titlebook: Research Issues in Structured and Semistructured Database Programming; 7th International Wo Richard Connor,Alberto Mendelzon Conference pro

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Nonporous

Defining and Handling Transient Fields in PJamamechanism. In the context of orthogonal persistence, this is a particularly useful feature, since it allows the developer to easily deal with state that is external to the system. Such state is inherently transient and should not be stored, but instead re-created when necessary. Unfortunately, the J

AV-node

A Framework for Optimizing Distributed Workflow Executionss be distributed across multiple processing nodes (i.e., computers). In some cases task management or execution may be at a processing node with limited functionality, and so it is useful to optimize translations of (sub-)workflow schemas into flowcharts, that can be executed in a restricted environ

visual-cortex

Querying Semistructured Data Based on Schema Matchingte due to missing schema information. In this paper we present a query language based on schema matching. Intuitively, a query is a pair consisting of what we want and how we want it. We propose that the former can be achieved by matching a (partial) schema and the latter by specifying additional op

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Query Optimization for Semistructured Data Using Path Constraints in a Deterministic Data Modeln problems associated with many natural path constraints are undecidable [.], [.]. A variant of the graph model, called ., was recently proposed in [.]. In this model, data is represented as a graph with deterministic edge relations, i.e., the edges emanating from any node in the graph have distinct

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A Representation Independent Language for Planar Spatial Databases with Euclidean Distancearge portion of spatial data such as in GIS systems, but also there exist efficient algorithms for the core operations in the query languages. However, an important limitation of the linear constraint data model is that it cannot model constructs such as “Euclidean distance.” A previous attempt to e

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