Schema Evolution publication categorizer

... range:  n/a Database and software systems are rarely stable ... most agree that 50% or more of programmer effort arises as a result of system modifications after implementation [Lientz, B. P. 1983] and ...

Publication - cat - 01/20/2018 - 09:23 - 0 comments - 0 attachments

... system are presented in this paper. They include a meta-circular and reflective model where primitive operations (create, update, delete) on schema objects form a complete taxonomy of schema changes. All the schema objects of a database are updatable and the consequences of these changes on objects ...

Publication - cat - 04/16/2013 - 22:05 - 0 comments - 1 attachment

... Gupta, A; Mumick, IS Author:  Gupta, A Mumick, I ... 0 Citations range:  ...

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

... 0 Citations range:  n/a Attachment Size ... is modified, the database needs to be changed in such a way that the schema and the database remain consistent with each other. ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 1 attachment

... degree-2 distance, when applied to unordered trees, is a restricted form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a generalized measure of the constrained distance originated from Selkow ...

Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments

... 499 Schema versioning is one of a number of related areas dealing with the same general problem - that of ... structure. Schema versioning and schema evolution offer a solution to the problem by enabling intelligent handling of any temporal ...

Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments

... 982.35 KB Dynamic change is a large and pervasive unsolved problem which surfaces within office systems as ... of the dynamic change problem. In this paper, we use a Petri net formalism to analyze structural change within office procedures. As ...

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

... presents an intermediate meta-model that consists of a set of generic meta-classes that capture and describe the semantics of a variety of data models. A model is described by a set of intermediate model ...

Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments

... translating schemes between different data models, in a formal framework that refers to a wide range of models. We first introduce a graphtheoretic formalism that ...

Publication - huliganka - 04/15/2013 - 23:16 - 0 comments - 0 attachments