Proceedings

• Oliveira, N.; Cortez, P.; Areal, N. (2013) “On the predictability of stock market behavior using StockTwits sentiment and posting volume”, Progress in Artificial Intelligence, Lecture Notes in Computer Science, Vol. 8154, Springer:Berlin, pp. 355-365. ISBN: 978-3-642-40668-3.
  DOI: http://dx.doi.org/10.1007/978-3-642-40669-0_31

• Oliveira, N.; Cortez, P.; Areal, N. (2013) “Some experiments on modeling stock market behavior using investor sentiment analysis and posting volume from twitter”, ACM International Conference Proceeding Series, 3rd International Conference on Web Intelligence, Mining and Semantics, WIMS 2013 (Madrid- Spain, June, 12-14), ACM: New York, pp. 31:1-31:8. ISBN: 978-1-4503- 1850-1.
  DOI: http://dx.doi.org/10.1145/2479787.2479811

• Carvalho, A.; Areal, N.; Silva. J. (2009) “Blackboard vs. Moodle: students’ perception of alternative learning management systems”, Proceedings of the IADIS International Conference E-Learning 2009, Algarve, Portugal June, 17-20, vol. II, p: 115-119. ISBN: 978-972-8924-83-6.