... from the source data based on schema mappings). We present a three-phase framework for high-performance XML-to-XML transformation based on ...
Publication - erhard - 06/15/2023 - 06:42 - 0 comments - 1 attachment
... Schema Matching, the process of matching elements of a source schema with elements of a target schema, and Schema Mapping, the process of creating a query that ...
Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment
... 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
... 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
... 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
... 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
... Deutsch, A.; Popa, L.; Tannen, V. Author: Deutsch, A Popa, L ...
Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment
... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...
Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment
... range: n/a Attachment Size ... which diverse kinds of information can be represented as a result of the self-describing nature and extensibility of XML itself. The ...
Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment
... their semantics, and their query capabilities.When a mapping is left inconsistent by a schema change, it has to be detected and updated. We present a novel ...
Publication - admin - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... schema mappings, has progressed in the past few years from a research prototype into a technology that is behind some of IBM's mapping technology. Clio provides a ...
Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment
... building blocks for many information integration tasks. A schema mapping is a high-level specification of the relationship between two schemas, and ...
Publication - cat - 04/16/2013 - 12:16 - 0 comments - 0 attachments
... reflected in the mappings. Mappings left inconsistent by a schema change have to be detected and updated. As large, complicated ... view definitions) is becoming impractical. We present a novel framework and a tool (ToMAS) for automatically adapting mappings as ...
Publication - cat - 04/16/2013 - 10:49 - 0 comments - 1 attachment
... 564.77 KB Clio is a system for managing and facilitating the complex tasks of heterogeneous data ... and integration. In Clio, we have collected together a powerful set of data management techniques that have proven invaluable in ... present the underlying themes of our approach and present a brief case study. (cs.toronto.edu) ...
Publication - massmann - 04/16/2013 - 10:38 - 0 comments - 1 attachment
... depending on the schemas, such as schema mappings. In a heterogenous environment, where cooperation among data sources depends ... mappings and the evolution. We design and implement a mapping adaptation system based on mapping composition as well as ...
Publication - cat - 04/16/2013 - 09:16 - 0 comments - 1 attachment
... range: n/a We consider the class of path-conjunctive queries ...
Publication - huliganka - 04/16/2013 - 05:38 - 0 comments - 0 attachments
... Radwan, A; Popa, L; Stanoi, IR; Younis, A Author: ...
Publication - cat - 04/16/2013 - 04:16 - 0 comments - 1 attachment
... Schema integration is the problem of creating a unified target schema based on a set of existing source schemas that relate to each other via specified ...
Publication - cat - 04/16/2013 - 04:05 - 0 comments - 1 attachment
... execution of schema mappings. We now use Clio as part of a broader data-flow framework in which mappings are just one component. These ... we describe how we use Unified Famous Objects (UFOs), a schema abstraction similar to business objects, as our data model, how we ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments
