1. Internet business: Its origins, theoretical issues and its applications  (Conference Paper)
  2. Encryption techniques: A theoretical overview and future proposals  (Conference Paper)
  3. Emotions analysis techniques: Their application in the identification of criteria for selecting suitable Open Educational Resources (OERs)(Conference Paper)
  4. Identification of semantic focal groups for tourist packages based on the semantic orientation of opinions(Conference Paper)
  5. An analysis of opinions about tourist services based on the semantic orientation of texts  (Conference Paper)
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