Foundations of Information Integration - Analyzing, Managing and Reasoning about Schema Mappings
نویسنده
چکیده
of the PhD Thesis Foundations of Information Integration Analyzing, Managing and Reasoning about Schema Mappings
منابع مشابه
A Data Transformation Method Based on Schema Mapping
Schema mapping is an important approach to solve the problem of data integration. This paper introduces a research prototype called SDE, which is a system for managing and facilitating the complex tasks of heterogeneous data transformation and integration. We also present a data transformation method based on schema mapping techniques. By analyzing the mappings and schemas it can automatically ...
متن کاملManaging XML Schema Mappings and Annotations in P2P Data Integration Systems
The crucial problem in semantic data integration is creating and maintaining mappings between heterogeneous, independently designed data sources. To deal with the problem we can enrich XML schemas with semantic information from a domain ontology by annotating the schema. In this paper we discuss how the annotation establishing matches between XML schema components and the ontology, and the onto...
متن کاملReasoning about Schema
Schema mappings are an important tool in several areas of database research. Recently, the topic of reasoning about schema mappings was given attention, in particular revolving around the central concepts of equivalence and optimality. In this chapter, we survey these results. First, we introduce relaxed notions of logical equivalence and show their potential for finding optimized schema mappin...
متن کاملReasoning About Data in XML Data Integration
In this paper, we propose solutions to some problems arising while data from different sources is to be integrated under a given target schema. We address the following problems: inferring missing data based on constraints imposed by the target schema, generating mappings from a source schema to a target schema based on key constraints and value dependencies, and merging data based on subsumpti...
متن کاملAn Improved Semantic Schema Matching Approach
Schema matching is a critical step in many applications, such as data warehouse loading, Online Analytical Process (OLAP), Data mining, semantic web [2] and schema integration. This task is defined for finding the semantic correspondences between elements of two schemas. Recently, schema matching has found considerable interest in both research and practice. In this paper, we present a new impr...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2014