... to the state of the art ontology matching technology. In this paper, we propose a divide-and-conquer approach to matching large ... V-DOC and GMO, are employed to discover alignments in the block mappings. Comprehensive evaluation on both synthetic and real ...
Publication - massmann - 06/15/2023 - 06:42 - 0 comments - 0 attachments
... the similarity between sets of annotated instances. In this paper we study how the choice of co-occurrence measures affects the ... study shows excellent results of instance-based matching in general, where the more simple measures often outperform more sophisticated ...
Publication - cat - 06/15/2023 - 06:42 - 0 comments - 0 attachments
... class extensions and types is an essential task in database design. In the context of view integration and schema integration for federated ... be merged. Inheritance hierarchies often occur explicitly in object-oriented databases as well as implicitly in relational databases. ...
Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments
... process would be to train a classifier for each category in the master taxonomy, and then classify objects from the source taxonomy into these categories. In this paper we attempt to use a powerful classification method, Support ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 1 attachment
... also allow practitioners to evaluate their potential use in particular change scenarios. As an initial step towards this taxonomy, the ...
Publication - cat - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... 50 - 99 In this article, we propose a change detection approach in the context of an ontology evolution framework for OWL DL ontologies. The ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... This aspect has been acknowledged and long studied in the field of temporal databases but it truly applies also to the World Wide ... a primary issue yet. However, several papers addressing, in an explicit or implicit way, the representation and management of time and ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... support scheme is distinguished from previous mechanisms in that it is primarily concerned with preserving existing database objects and ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... integration requires data conversions to bring data in different representations into a common form. Key contributions of Clio are ... schema mappings to describe the relationship between data in heterogeneous schemas, a new paradigm in which we view the mapping creation ...
Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments
... heart of model driven engineering (MDE) and can be used in many different application scenarios. For instance, model transformations ... that automates the development of model transformations. In this paper we propose a novel approach that uses matching transformations ...
Publication - huliganka - 04/17/2013 - 11:16 - 0 comments - 1 attachment
... 50 - 99 In this paper, we introduce a general overview of Falcon-AO: a practical ... Furthermore, Falcon-AO is one of the best systems in all kinds of tests in the latest three years’ OAEI campaigns. Falcon-AO is ...
Publication - cat - 04/17/2013 - 10:49 - 0 comments - 0 attachments
... 213.88 KB A fundamental problem in information integration is to precisely specify the relationships, called ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 1 attachment
... schemas, ontologies, and XML message formats. It is needed in many database applications, such as integration of web data sources, data warehouse loading and XML message mapping. In today's systems, schema matching is manual; a time-consuming, tedious, and ...
Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 0 attachments
... data formats continues to be an important problem in modern information systems. Schema Matching, the process of matching ... tool developed at the IBM Almaden Research Center. In this demonstration we showcase Clio’s mapping engine that allows mapping ...
Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment
... 50 - 99 In this paper, we address the issues related to the evolution and maintenance ... sources. The data of the data warehouse is used primarily in organizational decision-making and may be strategic. Therefore, the schema ...
Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 0 attachments
... model is proposed for dynamic schema evolution (DSE) in objectbase systems (OBSs) that supports the fundamental concepts of ...
Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... validation. These criteria are important to be considered in designing reverse engineering methods, so that they can perform reverse ...
Publication - cat - 04/17/2013 - 08:27 - 0 comments - 0 attachments
... database reorganizations due to schema modification in object-oriented systems, since these are expensive operations and they ... show that data independence, which is a neglected concept in object databases, helps to avoid reorganizations in case of capacity ...
Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments
... COMA++ [1]. ILIADS shows an average improvement of 25% in quality over FCA-merge and a 11% improvement in recall over COMA++. (Sch. Matching/Mapping) ...
Publication - cat - 04/17/2013 - 07:05 - 0 comments - 1 attachment
... the algorithm is such that the SVD computation step has in practice good performance, which makes it feasible to perform clustering ...
Publication - salva - 04/17/2013 - 06:27 - 0 comments - 0 attachments
... We describe examples of problems of semantic heterogeneity in databases due to “domain evolution”, as it occurs in both single- and multidatabase systems. These problems occur when the ...
Publication - cat - 04/17/2013 - 06:27 - 0 comments - 1 attachment
... ontologies. Here we assume, an ontology is typically given in RDF (Resource Description Framework) or OWL (Web Ontology Language) and can ... ontologies, where N denotes the average number of nodes in each ontology. Our proposed algorithm called Anchor-Flood algorithm, ...
Publication - george - 04/17/2013 - 04:38 - 0 comments - 0 attachments
... depends on the quality of the input correspondences. In this paper, we introduce the Spicy system, a novel approach to the problem ... of mappings. Spicy is based on a three-layer architecture, in which a schema matching module is used to provide input to a mapping ...
Publication - admin - 04/17/2013 - 03:38 - 0 comments - 1 attachment
... it is rare that a schema mapping possesses an inverse. In this paper, we introduce and study the notion of a quasi-inverse of a ... negative results about the existence of quasi-inverses. In particular, we show that every LAV (local-as-view) schema mapping has a ...
Publication - huliganka - 04/17/2013 - 02:49 - 0 comments - 1 attachment
... 210.34 KB Information seeking is the process in which human beings recourse to information resources in order to increase their level of knowledge with respect to their goals. In ...
Publication - avigal - 04/17/2013 - 02:27 - 0 comments - 1 attachment
