... mappings into SQL views to reassemble the objects stored in relational tables. Second, it offers interactive editing, i.e., incremental ...
Publication - cat - 04/17/2013 - 12:16 - 0 comments - 1 attachment
... KB Schema matching is a critical step in many applications, such as XML message mapping, data warehouse loading, and schema integration. In this paper, we investigate algorithms for generic schema matching, ...
Publication - admin - 04/17/2013 - 10:49 - 0 comments - 1 attachment
... solutions for them. (Journal, no paper type, OA in the Life Sciences) ...
Publication - hartung - 04/17/2013 - 03:16 - 0 comments - 1 attachment
... evolution, an area which has recently gained much interest in both research and practice. (Schema Evolution, Sigmod Record, Survey / ...
Publication - admin - 04/16/2013 - 22:49 - 0 comments - 1 attachment
... 191.63 KB Schema matching is a basic problem in many database application domains, such as data integration, Ebusiness, data warehousing, and semantic query processing. In current implementations, schema matching is typically performed manually, ...
Publication - cat - 04/16/2013 - 22:16 - 0 comments - 1 attachment
... application development lifecycle. The two primary schemas in an application, the conceptual model and the persistent database model, must ... model changes and the database and mapping must evolve in kind. We present a technique that, in most cases, allows those evolutions to ...
Publication - cat - 04/16/2013 - 20:38 - 0 comments - 0 attachments
... A subtle problem of schema integration is considered in its general form, not bound to any particular category of schemas. The ... theory are established that apply to integrity problems in schema integration. The theory is illustrated by a particular category of ...
Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment
... calculate and display the entire set of correspondences in a single shot. Invariably, the result presented to the engineer includes ... the match algorithm fast enough for incremental matching in large schemas and to devise a user interface that avoids overwhelming the ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
... 41.57 KB The difficulty inherent in schema matching has led to the development of several generic match ... aspects of the ontologies as they are represented in a generic meta-model. Lexical matching identifies concepts with similar ...
Publication - admin - 04/16/2013 - 15:27 - 0 comments - 1 attachment
... can be used to determine whether a mapping is adequate in a particular context. Finally, we consider an instance of our framework ...
Publication - admin - 04/16/2013 - 15:16 - 0 comments - 1 attachment
... A wide family of models is handled, by using a metamodel in which models can be succinctly and precisely described. The approach is ... schemas, and the rules used to implement translations. In this way, the transformations can be customized and the tool can be easily ...
Publication - admin - 04/16/2013 - 14:05 - 0 comments - 1 attachment
... is the problem of identifying corresponding elements in different schemas. Discovering these correspondences or matches is ... rather poorly due to the lack ofsufficient evidence in the schemas being matched. In this paper we show how a corpus of schemas and mappings can be used to ...
Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment
... problem. We present a novel approach to this problem, in which the relationship between the application data and the persistent ... is used to answer queries, while viewing the database in terms of the application model allows us to leverage view maintenance ... for update translation. This approach has been implemented in a commercial product. It enables developers to interact with a relational ...
Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 1 attachment
... data: given a source instance I of a schema S expressed in a source model, and a target model TM, it generates a schema S0 expressed in TM that is “equivalent” to S and an instance I0 of S0 “equivalent” ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 1 attachment
... complete prototype of a generic model-management system, in which high-level operators are used to manipulate models and mappings ...
Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment
... require that mappings be executable, expressed in SQL, XSLT, or other data transformation languages. In this paper, we develop a semantics for model-management operators that ...
Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment
... data integration, and other data management tasks. In many applications, mappings are given by embedded dependencies. In this paper, we study the issues involved in composing such mappings. Our ...
Publication - cat - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... Mapping composition is a fundamental operation in metadata driven applications. Given a mapping over schemas S1 and S2 and ...
Publication - cat - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... us to a revised vision that differs from the original in two main respects: the operations must handle more expressive mappings, and ...
Publication - huliganka - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... the approach, we show how to use model management in two scenarios related to loading data warehouses. The case study illustrates ...
Publication - cat - 04/16/2013 - 03:05 - 0 comments - 1 attachment
... complete prototype of a generic modelmanagement system, in which high-level operators are used to manipulate models and mappings ...
Publication - cat - 04/16/2013 - 03:05 - 0 comments - 1 attachment
... Many uses of models involve managing changes in models and transformations of data from one model into another. These uses ... their use. We call this capability model management. In addition to making the case for model management, our main contribution is a ...
Publication - huliganka - 04/16/2013 - 02:49 - 0 comments - 1 attachment
... It is comprised of robust operators that combined in short programs can solve complex metadata-oriented problems in a compact way. For instance, countless enterprise data integration scenarios ...
Publication - cat - 04/15/2013 - 21:49 - 0 comments - 1 attachment
... how to generate them, and prove that schemas and views in this normal form satisfy our requirements. The view definitions in our normal form use stylized GLAV mappings, for which query rewriting is ...
Publication - erhard - 04/15/2013 - 20:16 - 0 comments - 1 attachment
