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A Unifying Framework for Version Control in a CAD Environment

... design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in version control for a public/private distributed architecture of CAD systems. The research issues ...

Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments

Online, asynchronous schema change in F1

... range:  n/a We introduce a protocol for schema evolution in a globally distributed database management ...

Publication - cat - 10/24/2013 - 14:57 - 0 comments - 0 attachments

Interactive schema translation with instance-level mappings

... 127.8 KB We demonstrate a prototype that translates schemas from a source metamodel (e.g., OO, relational, XML) to a target metamodel. The prototype is integrated with Microsoft Visual Studio ...

Publication - cat - 04/17/2013 - 12:16 - 0 comments - 1 attachment

Laconic Schema Mappings: Computing the Core with SQL Queries

... 234.28 KB A schema mapping is a declarative specification of the relationship between instances of a source schema and a target schema. The data exchange (or data translation) ...

Publication - hartung - 04/17/2013 - 12:16 - 0 comments - 1 attachment

Schema and ontology matching with COMA++

... COMA++. It extends our previous prototype COMA utilizing a composite approach to combine different match algorithms [3]. COMA++ implements significant improvements and offers a comprehensive infrastructure to solve large real-world match problems. It ...

Publication - Anonymous - 04/17/2013 - 11:16 - 0 comments - 1 attachment

COMA - A System for Flexible Combination of Schema Matching Approaches

... We have thus developed the COMA schema matching system as a platform to combine multiple matchers in a flexible way. We provide a large spectrum of individual matchers, in ...

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

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

STBenchmark: towards a benchmark for mapping systems

... 213.88 KB A fundamental problem in information integration is to precisely specify the ... called mappings, between schemas. Designing mappings is a time-consuming process. To alleviate this problem, many mapping systems have been developed to assist the design of mappings. However, a benchmark for comparing and evaluating these systems has not yet been ...

Publication - cat - 04/17/2013 - 10:27 - 0 comments - 1 attachment

Updating Relational Databases through Object-Based Views

... N Keller, A Wiederhold, G ... The view-object model provides a formal basis for representing and manipulating object-based views on ...

Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments

Translating Web Data

... 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

Maintenance of views

... Shmueli, O; Itai, A Author:  ... O Itai, A Year:  ...

Publication - cat - 04/17/2013 - 08:05 - 0 comments - 1 attachment

PRIMA: Archiving and Querying Historical Data with Evolving Schemas

... Moon, Hyun J.; Curino, Carlo A.; MyungWon, Ham; Zaniolo, Carlo ... schema version in which they firstly appeared, leading to a perfect archival quality, but to a taxing query interface. The PRIMA ...

Publication - krlis1337 - 04/17/2013 - 07:27 - 0 comments - 0 attachments

HAMSTER: Using Search Clicklogs for Schema and Taxonomy Matching

... Nandi, A; Bernstein, P Author:  Nandi, A Bernstein, P ...

Publication - hartung - 04/17/2013 - 07:16 - 0 comments - 1 attachment

Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++

... Deutsch, A Curino, C ... applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work ...

Publication - krlis1337 - 04/17/2013 - 06:49 - 0 comments - 0 attachments

The Spicy system: towards a notion of mapping quality

... Bonifati, A; Mecca, G; Pappalardo, A; S Raunich; Summa, G Author:  ...

Publication - admin - 04/17/2013 - 06:16 - 0 comments - 1 attachment

Core Schema Mappings

... about data exchange. These study how to generate a solution -- i.e., a target instance -- given a set of mappings usually specified as tuple generating dependencies. However, ...

Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Semantics and implementation of schema evolution in object-oriented databases

... systems) with multimedia documents. At MCC we have built a prototype object-oriented database system, called ORION. It adds persistence ... schema evolution, that is, the ability to dynamically make a wide variety of changes to the database schema. In this paper, following a ...

Publication - cat - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Managing and querying transaction-time databases under schema evolution

... Moon, Hyun J.; Curino, Carlo A.; Deutsch, Alin; Hou, Chien-Yi; Zaniolo, Carlo ... C Deutsch, A Hou, C ...

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

Change detection in hierarchically structured information

... Sudarshan, C. S.; Rajaraman, A.; Garcia-Molina, H.; Widom, J. ... Rajaraman, A Garcia-Molina, H ...

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

Meaningful change detection in structured data

... These operations allows us to describe changes in a semantically more meaningful way. Since this change detection problem is NP-hard, in this paper we present a heuristic change detection algorithm that yields close to “minimal” ... is based on transforming the change detection problem to a problem of computing a minimum-cost edge cover of a bipartite graph. We study ...

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

On lossless tranformation of databases schemes not necessarily satisfying universal instance assumption

... 0 Citations range:  n/a Attachment Size ... 748.81 KB Given a multirelational database scheme and a relational mapping f transforming it, ...

Publication - huliganka - 04/17/2013 - 00:27 - 0 comments - 1 attachment

Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings

... Terwilliger, JF; Bernstein, PA; Unnithan, A Author:  ... in the Microsoft Entity Framework. When starting with a valid mapping between client and store, MoDEF translates changes made to a ...

Publication - cat - 04/16/2013 - 20:05 - 0 comments - 1 attachment

Using Schema Matching to Simplify Heterogeneous Data Translation

... 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

Statistical Schema Matching across Web Query Interfaces

... 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

Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach

... Doan, A.; Domingos, P.; Halevy, A. Author:  ...

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