... these data models motivate the research effort we present in this paper. The goal of this work is to bridge relational and ontological worlds, in order to leverage the efficiency and scalability of relational technologies ...
Publication - krlis1337 - 04/17/2013 - 11:49 - 0 comments - 0 attachments
... and (ii) the evolution of its data management core in response to continuously changing application requirements. Most of the ... Manager); by harvesting the recent theoretical advances in this area into a unified framework, ADAM seeks to deliver practical ... an Information System (IS) reflects the changes occurring in the application reality that the IS is modelling: thus, ADAM exploits ...
Publication - krlis1337 - 04/17/2013 - 04:49 - 0 comments - 1 attachment
... would require a coordinated effort not easily achievable in practice. On the other hand, spontaneous communities, based on social ...
Publication - krlis1337 - 04/17/2013 - 04:27 - 0 comments - 0 attachments
... are conceptually integrated into a single cohesive schema. In this work we propose a modeling framework for schema integration, capturing ... with the outcome of a schema integration process. In this paper we provide a systematic analysis of the process properties and ...
Publication - avigal - 04/17/2013 - 03:05 - 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
... tools should be well suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two ... easily extensible data management architecture in which any user can contribute new data, schema information, or even mappings ... paper considers the problem of schema mediation in a PDMS. Our first contribution is a flexible language for mediating between ...
Publication - admin - 04/16/2013 - 17:27 - 0 comments - 1 attachment
Authors: Larson, J. A.; Navathe, S. B.; Elmasri, R. Author: Larson, J ...
Publication - admin - 04/16/2013 - 15:16 - 0 comments - 1 attachment
... nonredundant, unified representation of all data managed in an organization. This is achieved only when methodologies are available to ... then a comparative review of the work done thus far in this area. Such a framework, with the associated analysis of the existing ...
Publication - admin - 04/16/2013 - 12:49 - 0 comments - 1 attachment
... enterprise intranets) do not require full integration in order to provide useful services, motivating a pay-as-you-go approach to ... sources and the mediated schema. We describe experiments in multiple domains, including 50-800 data sources, and show that our system is ...
Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments
... Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate ... to manage such evolution and preserve their history. In this paper, we describe the Pantha Rei Framework designed to provide ...
Publication - krlis1337 - 04/16/2013 - 10:05 - 0 comments - 0 attachments
... 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
... 267.78 KB In this paper we study the problem of schema exchange, a natural extension of ...
Publication - paolop - 04/16/2013 - 09:27 - 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
... Manifold\" and the Stanford \"Tsimmis\" project in these terms. (Conference, Theory, Information integration) ...
Publication - huliganka - 04/16/2013 - 01:27 - 0 comments - 0 attachments
... 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
... We now use Clio as part of a broader data-flow framework in which mappings are just one component. These data-flows express complex ... we try to create and run these mapping-based data-flows. In particular, we describe how we use Unified Famous Objects (UFOs), a schema ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments
... of heterogeneous information sources. Based on an in-depth evaluation of existing approaches to this problem we discuss how ... of our analysis we summarize the state of the art in ontology-based information integration and name areas of further research ...
Publication - admin - 04/15/2013 - 22:16 - 0 comments - 0 attachments
