This paper examines whether the “soft” information contained in the text of management’s quarterly earnings press releases is incrementally informative over the company’s reported “hard” earnings news. We use Diction, a textual-analysis program, to extract various dimensions of managerial net optimism from more than 20,000 corporate earnings announcements over the period 1998 to 2006 and docume...

The work described here supports the Office of Naval Research Departmental Research Initiative (DRI) for research on the “Impact of Typhoons on the Western Pacific Ocean” (ITOP). The theme of the DRI is to better characterize and predict the ocean boundary layer (OBL) and its impact on typhoon (hurricane) evolution. This is one component of developing improved pre­ diction models for the couple...

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The intrinsic and practical predictability of the Martian atmosphere is determined by use of a comprehensive numerical circulation model and ensemble forecasting techniques. Initial conditions were derived for various seasons of the Martian climate from newly available assimilations of global observations of temperature and dust optical depth in the Martian atmosphere, obtained by the Thermal E...

The pest catastrophe prediction in ecology catastrophe is one of important part in expert system of intelligence agriculture for prevent and control pest catastrophe occurrence efficiently. The paper introduces the basic principles and methods of current catastrophe prediction in ecology. By modeling for the dynamic process of population, up-grown and amount of spawn, the paper finds out the tr...

The computer network security plays an important role in modern computer systems with the widespread use of network. Intrusion diction technology has become very important in the area of network security research. Performance of common intrusion detection system is low and error detection rate is high. In order to overcome the current high rate of false positives, low detection rate and other d...

Dental services for elderly patients are characterized by a series of particularities related to the vulnerability of this age group, which is affected by various co morbidities, and the diminished physical, cognitive and financial capacities. Finding ways to keep elderly patients coming to a dental office is possible by improving the dentist-patient relationship and implicitly the quality of c...