In recent years, Operational Business Intelligence has emerged as an important trend in the Business Intelligence (BI) market. While sharing some obvious features with “traditional” data warehouse based BI, some of the requirements for the operational flavor are strikingly different justifying the question how, or even whether, Operational BI fits into a DW environment. We describe an architect...

Online market intelligence (OMI), in particular competitive intelligence for product pricing, is a very important application area for Web data extraction. However, OMI presents non-trivial challenges to data extraction technology. Sophisticated and highly parameterized navigation and extraction tasks are required. On-the-fly data cleansing is necessary in order two identify identical products ...

Job Market Signaling and Employer Learning This paper extends the job market signaling model of Spence (1973) by allowing firms to learn the ability of their employees over time. Contrary to the model without employer learning, we find that the Intuitive Criterion does not always select a unique separating equilibrium. When the Intuitive Criterion bites and information is purely asymmetric, the...

This study extends from Liu and Mei (1992) by further investigation of assets, real estate related securities, which includes both equity and mortgage real estate investment trusts (REITs), the stocks of builderand owner-companies, and mortgagebacked securities (MBSs). There are five major findings. First, expected excess returns of real estate related securities are more predictable than the e...

Nowadays, online comments and other textual data become more and more significant for business intelligence service. However, there is blank in the area of IS based on domestic platform at present. We designed and implemented OSBIA: an open source business intelligence analytics system based on domestic platform. OSBIA system concentrates on analyzing open source textual intelligence for the bu...

This paper reports the findings of recent studies on the impact of intelligence in modern/future-oriented telecom networks. The ICT/ telecommunication market evolution and future trends are presented. Subsequently, the business opportunities are also discussed. The main drivers for the evolution as well as market success are mobility, security, and intelligence in the network. Though the global...

The past few years have witnessed a growing rate of attraction in adoption of Artificial Intelligence (AI) techniques and combining them to improve forecasting accuracy in different fields. Besides, stock market forecasting has always been a subject of interest for most investors and professional analysts. Stock market forecasting is a tough problem because of the uncertainties involved in the ...

In a model with endogenous number of innovating firms, we show that whether patent protection increases R&D investment is ambiguous, and depends on the market demand function and the cost of R&D. If the market size increases with number of firms, patent protection reduces R&D investment if the cost of R&D is sufficiently high, and higher product differentiation increases the possibility of lowe...