... have become even more important. Although there is already a lot of research done in this area, there are still many open questions. In ... paper we try to classify the problems that may arise into a common framework. We then use that framework to examine several projects that ...
Publication - admin - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... Noy, Natalya Fridman; Musen, Mark A. Author: ... As ontology development becomes a more ubiquitous and collaborative process, developers face challenges in ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... sources. To be effective, such systemsmust provide a unified, queryable schema, and must be able to transform data from different ... to connect to several information sources makes them a natural base for doing more complex transformations as well. In this paper, ...
Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment
... to improve the matching effectiveness. This paper presents a dynamic multistrategy ontology alignment framework, named RiMOM. The key ... between ontologies may vary widely. We propose a systematic approach to quantitatively estimate the similarity characteristics ...
Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... problem in modern information systems. We present a novel framework for mapping among XML and relational schemas in which a high-level mapping is translated into semantically meaningful queries that ... Our approach works in two phases. In the rst phase, a high-level mapping, expressed as a set of attribute-to-attribute ...
Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments
... McBrien, P; Poulovassilis, A Author: ... Poulovassilis, A Year: ...
Publication - cat - 04/17/2013 - 07:16 - 0 comments - 0 attachments
... between such documents must thus be created manually on a case-by-case basis. In this paper, we explore the problem of how to automate ... of the document transformation process. One, we propose a set of schema transformation operations that establish semantic relationships ...
Publication - cat - 04/16/2013 - 22:27 - 0 comments - 1 attachment
... called (semi-)automatic alignment — of ontologies is a core task to achieve interoperability when two agents or services use ... We here consider QOM, Quick Ontology Mapping, as a way to trade off between effectiveness (i.e. quality) and efficiency of the ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... Milo1998UsingSchemaMatchingto.pdf 272 KB A broad spectrum of data is available on the Web in distinct ... increases greatly. In this paper we present a new translation system, based on schema-matching, aimed at simplifying ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... 235.9 KB Schema matching is a critical problem for integrating heterogeneous information sources. ... pairwise-attribute correspondence. This paper proposes a different approach, motivated by integrating large numbers of data sources on ... we observe two distinguishing characteristics that offer a new view for considering schema matching: First, as the Web scales, there are ...
Publication - admin - 04/16/2013 - 17:05 - 0 comments - 1 attachment
... Kashyap, V.; Sheth, A. Author: ... V Sheth, A Year: ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... 273.18 KB Ontology alignment is a prerequisite in order to allow for interoperation between different ... Process Feature Estimation and Learning) we present a machine learning approach that explores the user validation of initial ... ontology definitions. Core to APFEL is the idea of a generic alignment process, the steps of which may be represented explicitly. ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... Gal, A.; Anaby-Tavor, A.; Trombetta, A.; Montesi, D. Author: ...
Publication - admin - 04/16/2013 - 13:16 - 0 comments - 1 attachment
... Sarma, A Das; Dong, X; Halevy, A Author: ...
Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments
... we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, target schema. Schema mapping involves the discovery of ...
Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment
... problem of quickly and accurately transforming data into a new form. Database researchers have long advocated the use of declarative ... to permit widespread adoption of this approach. We present a new framework that uses data examples as the basis for understanding and ...
Publication - massmann - 04/16/2013 - 10:27 - 0 comments - 1 attachment
... these sources are database-driven E-commerce sites. It is a daunting task for users to access numerous Web sites individually to get the desired information. Hence, providing a unified access to multiple E-commerce search engines selling similar products ...
Publication - cat - 04/16/2013 - 07:27 - 0 comments - 0 attachments
... Castano, S; Ferrara, A; Montanelli, S Author: ... S Ferrara, A Montanelli, S ...
Publication - cat - 04/16/2013 - 06:38 - 0 comments - 0 attachments
... developed so far, there is no integrated solution that is a clear success, which is robust enough to be the basis for future development, ...
Publication - cat - 04/16/2013 - 06:05 - 0 comments - 0 attachments
... Doan, A.; Domingos, P.; Halevy, A. Author: ...
Publication - huliganka - 04/16/2013 - 05:27 - 0 comments - 0 attachments
... Noy, N. Fridman; Klein, M. C. A. Author: ... As ontology development becomes a more ubiquitous and collaborative process, ontology versioning and ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
Authors: Choi, N; Song, IY; Han, H Author: Choi, N Song, IY ...
Publication - cat - 04/16/2013 - 04:27 - 0 comments - 0 attachments
... Bernstein, P.A.; Melnik, S. Author: ... 543.02 KB Model management is a generic approach to solving problems of data programmability where precisely ...
Publication - huliganka - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... levels of abstraction and detail, to accommodate access to a specific group of collections. In any wider search accessing distributed ... as intended by their creators for indexing and querying a specific collection, in contrast to methods investigating the statistical ...
Publication - admin - 04/15/2013 - 21:38 - 0 comments - 0 attachments
... Doan, A Madhavan, J ... P Halevy, A Year: ...
Publication - admin - 04/15/2013 - 20:49 - 0 comments - 0 attachments
