Recently, as the short life cycle of technology entails the introduction of various new
technologies, the importance of technological evolution has been emphasized. Although …

Most text categorization algorithms represent a document collection as a Bag of Words
(BOW). The BOW representation is unable to recognize synonyms from a given term set and …

AdaBoost. MH is a boosting algorithm that is considered to be one of the most accurate
algorithms for multilabel classification. It works by iteratively building a committee of weak …

Abstract The Sziget Festival is one of Europe's biggest music events, held every August on
the Óbuda Island in Budapest. The elements of festival experiences were analysed through …

This paper presents ADR-SPLDA, an unsupervised model for human activity discovery and
recognition in pervasive environments. The activities are encoded in sequences recorded by …

The popularity of e-commerce is increasing day-by-day. In order to provide a seamless
experience and tailored offer for the customers, the knowledge of their preferences and …

Abstract We define “Big Networks” as those that generate big data and can benefit from big
data management in their operations. Examples of big networks include the current Internet …

Text classification is an important task in natural language processing that aims to determine
the category of a document. In the simplest settings, we adopt the bag-of-words model and …

Understanding the discussed content in social networks is an uneasy problem but brings a
lot of advantages for different fields, such as marketing, education, social trends, security. To …

Interaction among users on social networks through messages and interested topics forms
online communities. The question is how to discover what communities users belong to or …