... 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
... 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
... base for doing more complex transformations as well. In this paper, we look at database middleware systems as tranformation engines, ...
Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment
... may support automatic and user-transparent integration. In this paper we present X-SOM: an ontology mapping and integration tool. The ...
Publication - krlis1337 - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... alignment identifies semantically matching entities in different ontologies. Various ontology alignment strategies have been ... ontology alignment framework, named RiMOM. The key insight in this framework is that similarity characteristics between ontologies may ...
Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... 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
... Venue: In Proceedings of VLDB, pages 598--609, 2002 ... Mapping and translating data stored in dierent formats continues to be an important problem in modern information ...
Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments
... ontologies akin to maintaining versions of software code in large software projects. Versioning systems for software code provide ...
Publication - cat - 04/17/2013 - 07:38 - 0 comments - 0 attachments
... 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
... are yet no mapping systems that support core computations. In this paper we introduce several new algorithms that contribute to bridge the ...
Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments
... 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
... way concepts are presented to users, their layout, etc. In particular, we pursue in this paper the notion of precedence, in which temporal constraints determine ...
Publication - avigal - 04/17/2013 - 01:49 - 0 comments - 1 attachment
... simple changes to individual schemas. As described in this paper, OTGen supports not only more complex schema changes, but also ... to the new definitions, thus facilitating improvements in performance, functionality, and usability of the database. (Conference, ...
Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... when two agents or services use different ontologies. In the existing literature, the focus has so far been on improving the ... than existing prominent approaches. Then, we show in experiments that this theoretical investigation translates into practical ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... sources through a single mediated schema. A key bottleneck in building such systems has been the laborious manual construction of semantic ... learner exploits a different type of information either in the source schemas or in their data. Once the learners have been trained, ...
Publication - admin - 04/16/2013 - 16:38 - 0 comments - 1 attachment
... KB Ontology alignment is a prerequisite in order to allow for interoperation between different ontologies and many ... of substrategies from which they have been built. In fact, scrutinizing current ontology alignment methods, one may recognize ... by machine learning approaches. APFEL compares favorably in our experiments to competing approaches. (Conference, Ontology ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... applications we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, ... We describe the use of the value correspondence framework in Clio, a prototype tool for semi-automated schema mapping, and present an ...
Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment
... from the first schema to an instance of the second schema. In particular, the ability to perform data-metadata translations, transformation in which data is converted into metadata or metadata is converted into data, is ...
Publication - paolop - 04/16/2013 - 10:05 - 0 comments - 1 attachment
... 867.22 KB Many data integration solutions in the market today include tools for schema mapping, to help users visually ... XML schema mapping tool distinguished from existing tools in that mappings explicitly specify structural transformations in addition to ...
Publication - paolop - 04/16/2013 - 09:16 - 0 comments - 1 attachment
... Recently, schema mapping has found considerable interest in both research and practice. Determining matching components of database or XML schemas is needed in many applications, e.g. for e-business and data integra- tion. In this ...
Publication - cat - 04/16/2013 - 07:05 - 0 comments - 1 attachment
... technical report describes how IQL queries are processed in the AutoMed heterogeneous data integration system, and also how data ... supported. We start with an outline of the IQL language in Section 2. We then consider in Section 3 an abstract representation of this ...
Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments
... those methods. The AgreementMaker has been used and tested in practical applications and in the Ontology Alignment Evaluation Initiative (OAEI) competition. We report ...
Publication - hartung - 04/15/2013 - 23:27 - 0 comments - 1 attachment
... Numerous ontologies have recently been developed in life sciences to support a consistent annotation of biological objects, such ... web interface to explore information about changes in current life science ontologies. It is available at ...
Publication - hartung - 04/15/2013 - 23:27 - 0 comments - 1 attachment
... transformations between schemas is a key objective in information integration. However, this process often becomes cumbersome ... a cover of the complex schema by these concepts. In this paper, we formulate the problem of schema covering, show that it is ...
Publication - cat - 04/15/2013 - 23:16 - 0 comments - 1 attachment
