With their blistering expansion in recent years, popular online social sites such as Twitter, Facebook and Bebo, have become not only one of the most effective channels for viral marketing but also the major news sources for many people nowadays. Alongside these promising features, however, comes the threat of misinformation propagation which can lead to undesirable effects. Due to the sheer nu...

The fact-checking is an important tool to improve the quality of information that circulates in virtual networks. Although there are different verification agencies, we also found some more informal strategies such as use hashtag #Stopbulos. Thus, this research aims characterize #StopBulos on Twitter a way verify and control spread fake news. results showed was diversity among users themes twee...

News materials are reports on events occurring in a given time and location. Looking at the influence of individual event, an event that has news reported worldwide is strategically more important than one that is only covered by local news agencies. In fact, news coverage of an event can accurately determine the event’s importance and potential impact on the society. In this paper, we present ...

Abstract News dissemination online is driven by three gatekeeping logics: the logic of news media (publishing), social actors (sharing), and platform algorithms (spreading), each guided different values with a relationship to content. Using reverse engineering approach, this study applies 2015 dataset empirically explore how Facebook algorithm changed overall composition users saw, highlighting...

We construct a new credit spread index, employing an extensive micro-level data set of secondary market prices of outstanding senior unsecured bonds over the 1973– 2009 period. Compared with the standard default-risk indicators such as the Baa-Aaa corporate bond spread and the paper-bill spread, our credit spread index is a robust predictor of future economic activity across a variety of econom...

Breaking news leads to situations of fast-paced reporting in social media, producing all kinds of updates related to news stories, albeit with the caveat that some of those early updates tend to be rumours, i.e., information with an unverified status at the time of posting. Flagging information that is unverified can be helpful to avoid the spread of information that may turn out to be false. D...

Depending on the market strength and structure, it is a known fact that there is a correlation between the stock market values and the content in newspapers. The correlation increases in weak and speculative markets, while they never get reduced to zero in the strongest markets. This research focuses on the correlation between the economic news published in a highly circulating newspaper in Tur...

one of the most important concepts in financial statement analysis and evaluation is conservatism. thus recognition of the factors which influence conservatism can considerably help the investor in managing the selection of more conservative assets properly and avoiding the untrue exposure of financial statements. this research is about to consider the relation of effective factors on organizat...

The epidemic spread of fake news is a side effect the expansion social networks to circulate news, in contrast traditional mass media such as newspapers, magazines, radio, and television. Human inefficiency distinguish between true false facts exposes threat logical truth, democracy, journalism, credibility government institutions. In this paper, we survey methods for preprocessing data natural...