A comparative analysis of methodologies for database schema integration

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Entity-analysis and View-integration Database Design Methodologies: a Comparative Study

An experiment was conducted to compare the effectiveness of the entity-analysis and view-integration database design methodologies. In the experiment, students in a database design course were divided into two groups. Each group received training in one of the design methodologies. Then the students were given identical database design problems and instructed to solve the problem using the meth...

متن کامل

Complexity Analysis of Ontology Integration Methodologies: A Comparative Study

Most previous research on ontology integration has focused on similarity measurements between ontological entities, e.g., lexicons, instances, schemas and taxonomies, resulting in high computational costs of considering all possible pairs between two given ontologies. In this paper, we propose a novel approach to reducing computational complexity in ontology integration. Thereby, we address the...

متن کامل

Schema Integration for Object Oriented Database Systems

View integration is an important technique for developing software systems built upon large databases independent which paradigm is used for realizing the database. We analyzed to which extent traditional view integration methods cover all aspects of object-oriented datamodels and found, in particular, that the integration of methods is hardly supported. We present a methodology for integrating...

متن کامل

a comparative pragmatic analysis of the speech act of “disagreement” across english and persian

the speech act of disagreement has been one of the speech acts that has received the least attention in the field of pragmatics. this study investigates the ways power relations, social distance, formality of the context, gender, and language proficiency (for efl learners) influence disagreement and politeness strategies. the participants of the study were 200 male and female native persian s...

15 صفحه اول

applying transitivity theory to gender analysis of efl textbook: : a comparative study.

efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...

15 صفحه اول

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: ACM Computing Surveys

سال: 1986

ISSN: 0360-0300,1557-7341

DOI: 10.1145/27633.27634