Heino Gärtner

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We propose a formal basis for operations which can be understood as implicitly used in many kinds of schema modiications. Approaches for view deenition, schema evolution, and schema versioning all rely on operations which work either on instance, on schema, or on both levels. This paper discusses a basic set of these operations called modiication primitives(More)
We introduce the Latin analysis system Lassy, a slim system for analyzing Latin sentences. Tools for interacting with a database for morphological features are integrated as well as an interface for deening and applying a grammar database. We also give a small outline of the grammar model used in Lassy which is a pragmatic integration of linguistic theories(More)
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