نتایج جستجو برای: engineering information system
تعداد نتایج: 3208948 فیلتر نتایج به سال:
in this research we have presented a local model for implementing systems engineering activities in optimized acquisition of electronic systems in electronic high-tech industrial. in this regard, after reviewing the literature and the use of documents, articles and latin books, we have collected system acquisition life cycle models from different resources. after considering the criteria of the...
background and aims: given the ever-increasing importance and value of information, providing management with a reliable information system, which can facilitate decision making regarding planning, organization and control, is vitally important. this study aimed to analyze and evaluate information needs at statistics and medical records departments of iranian medical universities. the findings ...
Information Subject Gateways are providing access to the necessary quality controlled databases among the vast resources for users of the web and saving them from the confusion and perplexity among the sources on the web. The main objective of this research is creating Iranian Gateway for Scientific, Research, and Technological Information as a valuable source for use by academics and researche...
ABSTRACT The aim of this study was to evaluate the status of information on forest and data transfer and to identify the gaps in information and data flow in forestry sector in Iran. The study evaluated the data and information flow in three levels (control offices level, provincial offices level and organizational offices level) using the document analysis and questioning (interviews and ques...
Background and Aim: With changes in the paradigm of information seeking field and the replacement of system-based approach by user-based one, it seems necessary to design systems to achieve Information seeking goals. This requires mutual interactions of users and systems and establishing relationships between information seeking and information retrieval. A number of models were created after t...
Integration of different components that compose enterprise Information System (IS) represents a big challenge in the IS development. However, it is indispensable in order to avoid fragmentation of the IS and redundancy between different IS applications. In this work we consider service-driven IS engineering as a prospective approach to deal with IS fragmentation and interoperability of differe...
Purpose: Thesauri as important tools in storage and retrieval information systems have a significant role in the optimization of database search. So the publishing of thesauri needs to use standards as much as possible. I examined and compared two important thesauruses on the basis of ANSI/NISO z39.19 2005. Methodology: This study is an analytical and applied survey. The study population was t...
Risk management has been recognized as an effective way to reduce system development failure. Information system development (ISD) is a highly complex and unpredictable activity associated with high risks. With more and more organizations outsource or offshore substantial resources in system development, organizations face up new challenges and risks not common to traditional development models...
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