نتایج جستجو برای: news

تعداد نتایج: 37010  

Journal: :Seed Science Research 2005

Journal: :Conservation Biology 2006

Journal: :Reviews of Geophysics 2017

2016
Hao Jiang Sophia Zhengzi Li Hao Wang

This paper combines a comprehensive sample of intraday firm-level news arrivals with high-frequency price movements of individual stocks, thereby decomposing daily stock returns into news-driven and non-news driven components. Consistent with prior literature, we find that non-news driven return precedes a reversal. For news-driven return, however, we find strong evidence of return continuation...

Journal: :International Journal on Artificial Intelligence Tools 2013
Xindong Wu Fei Xie Gong-Qing Wu Wei Ding

Information on the World Wide Web is congested with large amounts of news contents. Recommending, filtering, and summarization of Web news have become hot topics of research in Web intelligence, aiming to find interesting news for users and give concise content for reading. This paper presents our research on developing the Personalized News Filtering and Summarization system (PNFS). An embedde...

2014
Zhengyou Xia Shengwu Xu Ningzhong Liu Zhengkang Zhao

The most current news recommendations are suitable for news which comes from a single news website, not for news from different heterogeneous news websites. Previous researches about news recommender systems based on different strategies have been proposed to provide news personalization services for online news readers. However, little research work has been reported on utilizing hundreds of h...

Journal: :تحقیقات مالی 0
علی ثقفی استاد گروه حسابداری، دانشکده مدیریت و حسابداری، دانشگاه علامه طباطبائی، تهران، ایران سیدمرتضی مرتضوی دانشجوی دکتری حسابداری، دانشگاه علامه طباطبائی، تهران، ایران

this paper takes fundamental analysis research beyond the spatial and temporal bounds of previous studies. it was investigated that how detailed financial statement data enter the decisions of market makers by examining how current changes in the fundamental signals chosen can provide information on subsequent earnings changes. using tehran stock exchange’s firms data from 2003 to 2012, the rol...

Journal: :International Journal of the Analytic Hierarchy Process 2018

Journal: :Pediatric Pulmonology 2009

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید