MIT Sloan Professor Stuart Madnick is not necessarily predicting a repeat of the dot-com bubble. He is concerned, however, that the proliferation of blockchain hype obscures some serious weaknesses in the technology and makes entrepreneurs overeager to adopt it.Madnick is only half joking when...

Blockchain technology has tremendous advantages that many organizations are eagerly looking to exploit in sectors as diverse as shipping, real estate and diamonds. The advantages are so compelling and hyped that I sometimes say the easiest way to make money with a startup is to put...

Data quality is crucial for operational efficiency and sound decision making. This paper focuses on believability, a major aspect of quality, measured along three dimensions: trustworthiness, reasonableness, and temporality. We ground ourapproach on provenance, i.e. the origin and subsequent...

Data quality is crucial for operational efficiency and sound decision making. This paper focuses on believability, a major aspect of data quality. The issue of believability is particularly relevant in the context of Web 2.0, where mashups facilitate the combination of data from different...

As an open standard for electronic communication of business and financial data, XBRL has the potential of improving the efficiency of the business data supply chain. A number of jurisdictions have developed different XBRL taxonomies as their data standards. Semantic heterogeneity exists in...

Sell Globally and Shop Globally have been seen as a potential benefit of web-enabled electronic business. One important step toward realizing this benefit is to know how things are selling in various parts of the world. A global price comparison service would address this need. But there have...

The successful integration of data from autonomous and heterogeneous systems calls for the resolution of semantic conflicts that may be present. Such conflicts are often reffected by discrepancies in attribute values of the same data object. In this paper, we describe a recently developed...