Georgios Paliouras, Christos Papatheodorou, Vangelis Karkaletsis, Panayiotis Tzitziras, Constantine D. Spyropoulos, Learning communities of the acai99 web site visitors, In Workshop on Machine learning in user modeling at ACAI 1999, (Pages: 65–73), 1999.
Marinagi, CC, Spyropoulos, CD, Kokkotos, S and Halatsis, C, The Role of Planning in Scheduling Patient Tests in Hospital Laboratories, Chapter in Advances in Intelligent Systems, Springer, Dordrecht, (Pages: 475–486), 1999.
Vangelis Karkaletsis, Constantine D. Spyropoulos, George Petasis, Named Entity Recognition from Greek texts: the GIE Project, Chapter in Advances in Intelligent Systems: Concepts, Tools and Applications, International Series on Microprocessor-Based and Intelligent Systems Engineering, volume 21, Springer, Dordrecht, (Pages: 131–142), 1999.[url]
Pallis, E, Pantos, G, Kourtis, A and Alexandridis, AA, QoS in the provision of MPEG-2 programmes in a wireless indoor environment, In International Workshop on Mobile Communications, (Pages: 105–111), 1999.
Vangelis Karkaletsis, Georgios Paliouras, Georgios Petasis, Natasa Manousopoulou, Constantine D. Spyropoulos, Named-Entity Recognition from Greek and English Texts, In Journal of Intelligent and Robotic Systems, Springer, volume 26, (Pages: 123–135), 1999.[url][doi]
Georgios Paliouras, Vangelis Karkaletsis, Constantine D. Spyropoulos, Learning Rules for Large Vocabulary Word Sense Disambiguation, In 16th International Joint Conference on Artificial Intelligence (IJCAI) 1999, Stockholm, Sweden, July 31-August 6, (Pages: 674–681), 1999.[pdf]
Vassilas N., Perantonis S., Charou E., Seretis K. and Tsenoglou Th., Automatic lineament detection from geophysical grid data using efficient clustering and weighted Hough transform algorithms, In Proc.: Workshop on Intelligent Techniques for Spatio-Temporal Data Analysis in Environmental Applications. ACAI, volume 99, (Pages: 16–25), 1999.