نتایج جستجو برای: news

تعداد نتایج: 37010  

ژورنال: پژوهشنامه اخلاق 2014

Nowadays, as a social reference, news media has a unique contribution in supplying information needs of the human society so that all of the social institutions of life such as economics, politics and culture institutions of a society will be affected directly or indirectly by this media. Therefore, news and information media are very important in respect to ethics, and ignoring the ethical app...

Journal: :مدیریت فناوری اطلاعات 0
سید غلامرضا جلالی نائینی استادیار دانشگاه علم و صنعت ایران، دانشکده مهندسی صنایع، تهران، ایران سعید یعقوبی دانشجوی دکترای مهندسی صنایع، دانشگاه علم و صنعت ایران، تهران، ایران فاطمه پورداداشی کماچالی دانشجوی کارشناسی ارشد مهندسی برق، دانشگاه علم و صنعت ایران، تهران، ایران

because of the newness of information technology (it) and internet in the world, and because of intrinsic constraint of multimedia and traditional news systems such as: newspaper, bulletin, radio and television in interactive communication, diffusion of news and information in internet has possessed special situation. but it is possible sometimes that the use of internet doesn’t achieve anticip...

2015
Sahil Zubair Krzysztof J. Cios

Sentiment analysis has been shown to be a useful tool for quantitative analysis in the world of finance. Researchers have shown that the sentiment picked up from the news media can be correlated with movement of the stock market. Here we use the Harvard General Inquirer to determine the sentiment present in Reuter’s articles. After first generating positive and negative sentiment data we use th...

Journal: :Marketing Science 2018
Adithya Pattabhiramaiah S. Sriram Shrihari Sridhar

Between 2006 and 2011, daily print newspapers in the U.S. lost 20% of their paid subscribers, partly due to increasing availability of alternative sources of news, such as free content provided on newspaper websites and by news aggregators such as Yahoo. However, contrary to the expectation that firms respond to softening demand by lowering prices, newspapers increased subscription prices by 40...

2017
Jianmin Zhang Xiaojun Wan

In this paper we investigate a new task of automatically constructing an overview article from a given set of news articles about a news event. We propose a news synthesis approach to address this task based on passage segmentation, ranking, selection and merging. Our proposed approach is compared with several typical multi-document summarization methods on the Wikinews dataset, and achieves th...

Journal: :OCLC Systems & Services 2008
Gordon Dunsire

The purpose of this article is to review metadata issues identified in recent research carried out in Scotland on services based on metadata aggregation via OAI-PMH, and to examine the role of collection-level description in managing ingest to harvested repositories, subsequent harvesting by secondary aggregators, and the contextualisation of institutional and aggregated repositories in the wid...

2018
Felix Hamborg Soeren Lachnit Moritz Schubotz Thomas Hepp Bela Gipp

Extraction of event descriptors from news articles is a commonly required task for various tasks, such as clustering related articles, summarization, and news aggregation. Due to the lack of generally usable and publicly available methods optimized for news, many researchers must redundantly implement such methods for their project. Answers to the five journalistic W questions (5Ws) describe th...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید