Association rules are a class of important regularities in databases. They are found to be very useful in practical applications. However, the number of association rules discovere...
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
Originally XML was used as a standard protocol for data exchange in computing. The evolution of information technology has opened up new situations in which XML can be used to aut...
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
Paolo Boldi, Francesco Bonchi, Carlos Castillo, De...
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...