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Generic Schema Matching With Cupid

... Madhavan, J.; Bernstein, P. A.; Rahm, E. Author:  ... 139.48 KB Schema matching is a critical step in many applications, such as XML message mapping, data ...

Publication - admin - 04/17/2013 - 10:49 - 0 comments - 1 attachment

AL $ MONY: Exploring Semantically-Assisted Matching in an XQuery-Based Data Mapping Tool

... effort to augment the data integration capabilities of a service-oriented data integration product with the advanced matching capabilities of a knowledgebased schema matching workbench, thereby providing a guided, interactive, and “what”-oriented design environment for use by ...

Publication - cat - 04/17/2013 - 04:05 - 0 comments - 1 attachment

Quasi-inverses of schema mappings

... the exact semantics of this operator turned out to be a fairly delicate task. Furthermore, this notion is rather restrictive, since it is rare that a schema mapping possesses an inverse. In this paper, we introduce and study ...

Publication - huliganka - 04/17/2013 - 02:49 - 0 comments - 1 attachment

TReMer: A tool for relationship-driven model merging

... 80.54 KB We describe a tool, TReMer, for performing the merge operation in a model-driven development setting. Merge is arguably one of the most important model management operations and is useful as a way of consolidating a set of models to gain a unified perspective, to ...

Publication - cat - 04/17/2013 - 02:38 - 0 comments - 1 attachment

Dependence Relationships between Gene Ontology Terms based on TIGR Gene Product Annotations

... Kumar, A.; Smith, B.; Borgelt, C. Author:  Kumar, A Smith, B ...

Publication - hartung - 04/17/2013 - 02:05 - 0 comments - 1 attachment

Schema Evolution in Wikipedia: toward a Web Information System Benchmark

... Curino, Carlo A.; Moon, Hjun J.; Tanca, Letizia; Zaniolo, Carlo ... that is at the core of an Information System represents a difficult maintenance problem that has only been studied in the framework ...

Publication - krlis1337 - 04/17/2013 - 02:05 - 0 comments - 1 attachment

A fault model for ontology mapping, alignment, and linking systems

... been published about how to evaluate systems that do this. A fault model for conducting ne-grained evaluations of MALO systems is ... to the system described in [15] reveal the reason for a puzzling set of results in that paper, and also suggest a number of avenues ...

Publication - hartung - 04/17/2013 - 01:49 - 0 comments - 1 attachment

Graceful database schema evolution: the prism workbench

... Curino, Carlo A.; Moon, Hyun J.; Zaniolo, Carlo ... migrating the database. Our PRISM system takes a big first step toward addressing this pressing need by providing: (i) a ...

Publication - krlis1337 - 04/17/2013 - 01:38 - 0 comments - 1 attachment

A Framework for Ontology Evolution in Collaborative Environments

... Noy, N.F.; Chugh, A.; Liu, W.; Musen, M.A. Author:  ...

Publication - hartung - 04/17/2013 - 00:49 - 0 comments - 1 attachment

Efficient schemes for managing multiversion XML documents

... drastically improves version retrieval at the expense of a small (linear) space overhead. However, the edit-based approach falls short ... (ii) and (iii). Therefore, we introduce and investigate a second scheme, which is reference-based and preserves the structure of the ...

Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment

Constraint-based XML query rewriting for data integration

... 0 Citations range:  n/a Attachment Size ... We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and ...

Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment

Putting Context into Schema Matching

... in order to improve overall match quality. We define a general space of matching techniques, and within this framework we identify a variety of novel, concrete algorithms for contextual schema matching. ...

Publication - huliganka - 04/17/2013 - 00:16 - 0 comments - 1 attachment

Nested Mappings: Schema Mapping Reloaded

... Fuxman, A.; Hernandez, M.A.; Ho, H.; Miller, R.J.; Papotti, P.; Popa, L. ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

Query translation scheme for heterogeneous XML data sources

... Chen, C.X.; Mihaila, G.A.; Padmanabhan, S.; Rouvellou, I.M. ... 0 Citations range:  n/a Attachment Size ...

Publication - huliganka - 04/16/2013 - 23:49 - 0 comments - 1 attachment

Debugging schema mappings with routes

... 959.2 KB A schema mapping is a high-level declarative specification of the relationship between two schemas; ... schema, is to be converted into data structured under a possibly different schema, called the target schema. Schema mappings are ...

Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment

Query reformulation with constraints

... Deutsch, A.; Popa, L.; Tannen, V. Author:  ... 0 Citations range:  ...

Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment

XML data exchange: consistency and query answering

... Data exchange is the problem of finding an instance of a target schema, given an instance of a source schema and a specification of the relationship between the source and ...

Publication - hartung - 04/16/2013 - 22:16 - 0 comments - 1 attachment

Mapping Between Data Sources on the Web

... ad-hoc information sharing between autonomous peers in a dynamic environment. Automating their discovery is one of the fundamental ... integration and sharing on the Web. We outline a general approach to automating the discovery of mappings between ...

Publication - huliganka - 04/16/2013 - 21:16 - 0 comments - 1 attachment

The Data Mapping Problem: Algorithmic and Logical Characterizations

... ad-hoc information sharing between autonomous peers in a dynamic environment. Automating their discovery is one of the fundamental ... to the data mapping problem has two main components: (1) a general algorithmic approach to automating the discovery of mappings and ...

Publication - huliganka - 04/16/2013 - 21:16 - 0 comments - 1 attachment

Representing and Querying Data Transformations

... 0 Citations range:  n/a Attachment Size ... store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source ...

Publication - huliganka - 04/16/2013 - 20:49 - 0 comments - 1 attachment

Discovering Direct and Indirect Matches for Schema Elements

... indirect element matches. In this paper, we present a framework for generating direct as well as manyindirect element matches between a source schema and a target schema. Recognizing expected data values ...

Publication - huliganka - 04/16/2013 - 20:49 - 0 comments - 1 attachment

Similarity Flooding: A Versatile Graph Matching Algorithm and its Application to Schema Matching

... elements of two data schemas or two data instances plays a key role in data warehousing, e-business, or even biochemical applications. In this paper we present a matching algorithm based on a fixpoint computation that is usable across ...

Publication - admin - 04/16/2013 - 20:16 - 0 comments - 1 attachment

QMatch - A Hybrid Match Algorithm for XML Schemas

... of multiple heterogeneous data sources continues to be a critical problem for many application domains and a challenge for researchers world-wide. With the increasing popularity of the ...

Publication - huliganka - 04/16/2013 - 20:16 - 0 comments - 1 attachment

Flexible database transformations: the SERF approach

... 55.11 KB Database transformations is a critical task that occurs in many different domains. Schema evolution is ...

Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment

Mutual Online Ontology Alignment

... agents. The process of autonomously establishing a collective semantics and organization of the concepts in an open domain is ... our motivations and approach to this problem. It presents a specific formalization and algorithm that we call mutual online ontology ...

Publication - admin - 04/16/2013 - 18:49 - 0 comments - 1 attachment