منابع مشابه
مقدمه ای بر: تکنولوژی data base و اداره سازمان
در ادراه امور سازمان نیز از تکنولوژی data base در دو زمینه مشخص یعنی بصورت سیستم های عملیاتی و سیستم های اطلاعاتی میتوان استفاده کرد. در شرایط کنونی وجود موانع متعدد از قبیل فرهنگ غالب در سازمان های بزرگ و طرز تلقی مدیران دیوان سالار از یکطرف و تازه گی و پیچیده بودن فنون مربوط به سیتم های data base فقدان دانش، تجربه و تخصص کافی برای بهره گیری کامل از آن از طرف دیگر، برنامه ریزی و اقدام برای ایج...
15 صفحه اولNew Challenges for Clustering in Large Data Base
Cluster analysis in data mining is a main application of business. This Investigation describes to present NCDBC algorithm that extends expansion seed selection into a DBSCAN algorithm. And the DBSCAN Algorithm describes the density based clustering concept and also describes its hierarchical additional room OPTICS has been planned newly, and one of the mainly triumphant approaches to clusterin...
متن کاملInclusion of New Types in Relational Data Base Systems
The needs of business processing applications were the impetus for many of the built-in data types (e.g. floating point, money, date, etc.) and operators (e.g. +, -, etc.) found in commercial database management systems. However, these built-in types are of little use for a wider range of applications in areas such as engineering and scientific research. Applications used for scientific researc...
متن کاملSAPHIR + RESEDA: A New Approach to Intelligent Data Base Access
This paper describes a transportable natural language interface to databases, augmented with a knowledge base and inference techniques. The inference mechanism, based on a classical expert system's type of approach, allows, when needed, to automatically convert an Input query into another one which 1s "semantically close". According to RESEDA' S theory, "semantically close" means that the answe...
متن کاملUniversity Startups and Entrepreneurship: New Data, New Results
This paper empirically examines commercialization of university faculty inventions through startup firms from 1994 through 2008. Using data from the Association of University Technology Managers and the 2010 NRC doctoral rankings, our research reveals several findings. We find that university entrepreneurship is more common in bad economic times and that engineering department quality and biolo...
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ژورنال
عنوان ژورنال: ICGA Journal
سال: 1986
ISSN: 2468-2438,1389-6911
DOI: 10.3233/icg-1986-9107