Managers and researchers alike have long recognized the importance of corporate textual
risk disclosures. Yet it is a nontrivial task to discover and quantify variables of interest from …

The past few years have witnessed millions of credit/debit cards flowing through the
underground economy and ultimately causing significant financial loss. Examining key …

Over the last decade, quantitative text mining approaches to content analysis have gained
increasing traction within information systems research, and related fields, such as business …

Human cognition and decision-making related to information systems (IS) is a major area of
interest in IS research. However, despite being explored since the mid-seventies in …

In this paper, we explore how keyword ambiguity can affect search advertising performance.
Consumers arrive at search engines with diverse interests, which are often unobserved and …

The Black–Litterman (BL) model for portfolio optimization combines investors' expectations
with the Markowitz framework. The BL model is designed for investors with private …

With the success of Web 2.0, online users have become publishers and authors rather just
passive consumers. This released traditional media companies from their role as content …

Information Systems (IS) researchers persistently examine how Information and
Communications Technology (ICT) changes attitudes and behaviours but rarely leverage …

Corporate risk disclosures as part of US public companies' financial reports are mandated
by the Securities and Exchange Commission (SEC) since 2005. It provides forward-looking …

Financial information mainly lies in financial statements, but it should be noted that financial
information can be textual as well as numerals. There are many data sources (footnotes …