Article

Brownlow, Richard and Capuzzi, Stefano and Helmer, Sven and Martins, Luciana and Normann, Immanuel and Poulovassilis, Alexandra (2015) An ontological approach to creating an Andean Weaving Knowledge Base. Journal on Computing and Cultural Heritage 8 (2), ISSN 1556-4673.

Barranco, C.D. and Helmer, Sven (2012) An impact ordering approach for indexing fuzzy sets. Fuzzy Sets and Systems 196 , pp. 33-46. ISSN 0165-0114.

Garani, G. and Helmer, Sven (2012) Integrating star and snowflake schemas in data warehouses. International Journal of Data Warehousing and Mining 8 (4), pp. 22-40. ISSN 1548-3924.

Helmer, Sven and Augsten, N. and Böhlen, M. (2012) Measuring structural similarity of semistructured data based on information-theoretic approaches. The VLDB Journal 21 (5), pp. 677-702. ISSN 1066-8888.

Barranco, C.D. and Helmer, Sven (2012) An impact ordering approach for indexing fuzzy set. Fuzzy Sets and Systems 196 , pp. 33-46. ISSN 0165-0114.

McDonald, A. and Helmer, Sven (2011) A comparative case study of Indonesian and UK organisational culture differences in information systems project management. International Journal of Technology and Human Interaction 7 (2), pp. 28-37. ISSN 1548-3908.

Book Section

Jaber, Mohammad and Wood, Peter T. and Papapetrou, Panagiotis and Helmer, Sven (2014) Inferring offline hierarchical ties from online social networks. In: UNSPECIFIED (ed.) Proceedings of the companion publication of the 23rd international conference on World wide web companion. Geneva, Switzerland: International World Wide Web Conferences Steering Committee, pp. 1261-1266. ISBN 9781450327459.

Jaber, Mohammad and Papapetrou, Panagiotis and Helmer, Sven and Wood, Peter T. (2014) Using time-sensitive rooted PageRank to detect hierarchical social relationships. In: Blockeel, H. and van Leeuwen, M. and Vinciotti, V. (eds.) Advances in Intelligent Data Analysis XIII - 13th International Symposium, IDA 2014, Leuven, Belgium, October 30 - November 1, 2014. Proceedings. Lecture Notes in Computer Science 8819. New York, U.S.: Springer, pp. 143-154. ISBN 9783319125701.

Barranco, C.D. and Helmer, Sven (2009) Increasing the performance of fuzzy retrieval using impact ordering. In: Carvalho, J.P. and Dubois, D. and Kaymak, U. and Sousa, J.M.C. (eds.) Proceedings of the Joint 2009 International Fuzzy Systems Association World Congress and 2009 European Society of Fuzzy Logic and Technology Conference. IFSA-EUSFLAT, pp. 957-962. ISBN 9789899507968.

Litak, T. and Helmer, Sven (2009) On the termination problem for declarative xml message processing. In: Bhowmick, S.S. and Küng, J. and Wagner, R. (eds.) Database and Expert Systems Applications. Berlin, Germany: Springer Verlag, pp. 83-97. ISBN 9783642035739.

Arnold, Denise Y. and Helmer, Sven and Velásquez Arando, R. (2009) Towards building a knowledge base for research on Andean weaving. In: Sexton, A. (ed.) Dataspace: The Final Frontier. Lecture Notes in Computer Science 5588. Berlin, Germany: Springer Verlag, pp. 180-188. ISBN 9783642028434.

Guitton, A. and Trigoni, N. and Helmer, Sven (2008) Fault-tolerant compression algorithms for delay-sensitive sensor networks with unreliable links. In: Nikoletseas, S. and Chlebus, B. and Johnson, D.B. and Krishnamachari, B. (eds.) Distributed Computing in Sensor Systems. Lecture Notes in Computer Science 5067. Berlin, Germany: Springer Verlag, pp. 190-203. ISBN 9783540691709.

Conference or Workshop Item

McDonald, A. and Helmer, Sven (2009) Cultural differences in information technology project management between Indonesia and the UK. In: Culture in Information Systems Research, May 14, 2009, Leicester, UK. (Unpublished)