Daniel Farias Batista Leite

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Currently one of the main features of events such as birthday party, wedding, conferences, and trips is the amount of photos taken from different digital cameras. The plethora of photo devices such as smartphones and tablets have contributed for this avalanche of photos. Social networks such as Facebook, Orkut, Flickr, and Picasa store a large volume of(More)
Price survey services assist consumers interested in purchasing a new product online. Nevertheless, even being efficient in consulting the suppliers and returning up-to-date information about price and availability of products, current services still provide trivial and incomplete information concerning the price dispersion and the price for the final(More)
Traditionally, OLAP tools have been performed on static and structured data sources. Nowadays, there is plenty of data in different formats, such as the Resource Description Framework (RDF), a semi-structured and semantically-rich format external to the BI infrastructure. Although such data formats are enriched by semantics, performing data analysis is(More)
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