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    Number of items: 59.

    Article

    Poulovassilis, Alexandra and Selmer, Petra and Wood, Peter (2016) Approximation and relaxation of semantic web path queries. Web Semantics: Science, Services and Agents on the World Wide Web 40 , pp. 1-21. ISSN 1570-8268.

    Gutierrez-Santos, Sergio and Mavrikis, M. and Geraniou, E. and Poulovassilis, Alexandra (2016) Similarity-based grouping to support teachers on collaborative activities in exploratory learning environments. IEEE Transactions on Emerging Topics in Computing (99), ISSN 2168-6750.

    Frosini, R. and Calì, Andrea and Poulovassilis, Alexandra and Wood, Peter T. (2015) Flexible query processing for SPARQL. Semantic Web – Interoperability, Usability, Applicability , ISSN 1570-0844. (In Press)

    Poulovassilis, Alexandra and Gutierrez-Santos, Sergio and Mavrikis, M. (2015) Graph-based modelling of students' interaction data from exploratory learning environments. CEUR Workshop Proceedings 1446 , pp. 46-51. ISSN 1613-0073.

    Selmer, Petra and Poulovassilis, Alexandra and Wood, Peter T. (2015) Implementing flexible operators for regular path queries. CEUR Workshop Proceedings 1330 , pp. 149-156. ISSN 1613-0073.

    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.

    Martin, Nigel and Poulovassilis, Alexandra and Wang, J. (2014) A methodology and architecture embedding quality assessment in data integration. Journal of Data and Information Quality 4 (4), ISSN 1936-1955.

    Calì, Andrea and Frosini, R. and Poulovassilis, Alexandra and Wood, Peter T. (2014) Flexible querying for SPARQL. Lecture Notes in Computer Science 8841 , 473-490. ISSN 0302-9743.

    Gutierrez-Santos, Sergio and Geraniou, E. and Pearce-Lazard, D. and Poulovassilis, Alexandra (2012) Design of teacher assistance tools in an exploratory learning environment for algebraic generalisation. IEEE Transactions on Learning Technologies 5 (4), pp. 366-376. ISSN 1939-1382.

    Noss, R. and Poulovassilis, Alexandra and Geraniou, E. and Gutierrez-Santos, Sergio and Hoyles, C. and Kahn, K. and Magoulas, George D. and Mavrikis, M. (2012) The design of a system to support exploratory learning of algebraic generalisation. Computers & Education 59 (1), pp. 63-81. ISSN 0360-1315.

    Gutierrez-Santos, Sergio and Geraniou, E. and Pearce-Lazard, D. and Poulovassilis, Alexandra (2012) Design of teacher assistance tools in an exploratory learning environment for algebraic generalization. IEEE Transactions on Learning Technologies 5 (4), pp. 366-376. ISSN 1939-1382.

    Poulovassilis, Alexandra and Selmer, Petra and Wood, Peter T. (2011) Flexible querying of lifelong learner metadata. IEEE Transactions on Learning Technologies 5 (2), pp. 117-129. ISSN 1939-1382.

    Papamarkos, G. and Poulovassilis, Alexandra and Wood, Peter T. (2011) Performance modelling of event-condition-action rules in P2P networks. Journal of Computer and System Sciences 77 (4), pp. 621-636. ISSN 0022-0000.

    Zamboulis, Lucas and Martin, Nigel and Poulovassilis, Alexandra (2010) Query performance evaluation of an architecture for fine-grained integration of heterogeneous grid data sources. Future Generation Computer Systems 26 (8), pp. 1073-1091. ISSN 0167-739X.

    de Freitas, Sara and Rebolledo-Mendez, G. and Liarokapis, F. and Magoulas, George D. and Poulovassilis, Alexandra (2010) Learning as immersive experiences: using the four-dimensional framework for designing and evaluating immersive learning experiences in a virtual world. British Journal of Educational Technology 41 (1), pp. 69-85. ISSN 0007-1013.

    Naz, T. and Dorn, J. and Poulovassilis, Alexandra (2010) Configurable meta-search in the job domain. International Journal of Web Engineering and Technology 6 (1), p. 33. ISSN 1476-1289.

    Poulovassilis, Alexandra and Kargas, G. and Kerkides, P. (2008) Comments on the paper "Application of the "Proportionate partitioning" method suggested by Poulovassilis and Kargas (2000) for determination of the domain distribution function" by Mualem and Beriozkin (2008). Transport in Porous Media 75 (2), pp. 223-226. ISSN 0169-3913.

    Siepen, J.A. and Belhajjame, K. and Selley, J.N. and Embury, S.M. and Paton, N.W. and Goble, C.A. and Oliver, S.G. and Stevens, R. and Zamboulis, Lucas and Martin, Nigel and Poulovassilis, Alexandra and Jones, P. and Côté, R. and Hermjakob, H. and Pentony, M.M. and Jones, D.T. and Orengo, C.A. and Hubbard, S.J. (2008) ISPIDER Central: an integrated database web-server for proteomics. Nucleic Acids Research 36 (2), W485-W490. ISSN 0305-1048.

    Book Section

    Al-Tawil, M. and Dimitrova, V. and Thakker, D. and Poulovassilis, Alexandra (2017) Evaluating knowledge anchors in data graphs against Basic Level Objects. In: Cabot, J. and de Virgilio, R. and Torlone, R. (eds.) Web Engineering: 17th International Conference, ICWE 2017, Rome, Italy, June 5-8, 2017, Proceedings. Lecture Notes in Computer Science 10360. Rome, Italy: Springer. ISBN 9783319601311. (In Press)

    Frosini, Riccardo (2017) Optimisation techniques for flexible querying in SPARQL 1.1. In: Calì, Andrea and Wood, Peter and Martin, Nigel and Poulovassilis, Alexandra (eds.) Data Analytics. Lecture Notes in Computer Science 10365. Springer, pp. 106-110. ISBN 9783319607948.

    Dimartino, Mirko and Calì, Andrea and Poulovassilis, Alexandra and Wood, Peter (2016) Query rewriting under linear EL knowledge bases. In: Ortiz, M. and Schlobach, S. (eds.) Web Reasoning and Rule Systems: 10th International Conference, RR 2016, Aberdeen, UK, September 9-11, 2016, Proceedings. Lecture Notes in Computer Science 9898. New York, U.S.: Springer, pp. 61-76. ISBN 9783319452753.

    Mavrikis, M. and Gutierrez-Santos, Sergio and Poulovassilis, Alexandra (2016) Design and evaluation of teacher assistance tools for exploratory learning environments. In: UNSPECIFIED (ed.) LAK '16 Proceedings of the Sixth International Conference on Learning Analytics & Knowledge. New York, U.S.: Association for Computing Machinery, pp. 168-172. ISBN 9781450341905.

    Wells, M. and Wollenschlaeger, Alex and Lefevre, D. and Magoulas, George D. and Poulovassilis, Alexandra (2016) Analysing engagement in an online management programme and implications for course design. In: UNSPECIFIED (ed.) LAK '16 Proceedings of the Sixth International Conference on Learning Analytics & Knowledge. New York, U.S.: Association for Computing Machinery. ISBN 9781450341905.

    Gutierrez-Santos, Sergio and Capuzzi, Stefano and Kahn, Ken and Karkalas, Sokratis and Poulovassilis, Alexandra (2016) Scalable monitoring of student interaction indicators in exploratory learning environments. In: UNSPECIFIED (ed.) Proceedings of the 25th International Conference Companion on World Wide Web. Geneva, Switzerland: International World Wide Web Conferences Steering Committee, pp. 917-922. ISBN 9781450341448.

    Fletcher, G.H.L. and Peters, J. and Poulovassilis, Alexandra (2016) Efficient regular path query evaluation using path indexes. In: Pitoura, E. and Maabout, S. and Koutrika, G. and Marian, A. and Tanca, L. and Manolescu, I. and Stefanidis, K. (eds.) 19th International Conference on Extending Database Technology Bordeaux, France, March 15–18, 2016 Proceedings. Bordeaux, France: OpenProceedings.org, pp. 636-639. ISBN 9783893180707.

    Sumrall, J.M. and Fletcher, G.H.L. and Poulovassilis, Alexandra and Svensson, J. and Vejlstrup, M. and Vest, C. and Webber, J. (2016) Investigations on path indexing for graph databases. In: Desprez, F. and Dutot, P.-F. and Kaklamanis, C. and Marchal, L. and Molitorisz, K. and Ricci, L. and Scarano, V. and Vega-Rodriguez, M.A. and Varbanescu, A.L. and Hunold, S. and Scott, S.L. and Lankes, S. and Weidendorfer, J. (eds.) Euro-Par 2016: Parallel Processing Workshops. Lecture Notes in Computer Science 10104. Grenoble, Switzerland: Springer, pp. 532-544. ISBN 9783319589428.

    Mavrikis, M. and Zhu, Z. and Gutierrez-Santos, Sergio and Poulovassilis, Alexandra (2015) Visualisation and analysis of students’ interaction data in exploratory learning environments. In: UNSPECIFIED (ed.) Proceedings of the 24th International Conference on World Wide Web. New York, U.S.: Association for Computing Machinery, pp. 1419-1424. ISBN 9781450334730. (Submitted)

    Dimartino, M.M. and Calì, Andrea and Poulovassilis, Alexandra and Wood, Peter T. (2015) Peer-to-peer semantic integration of linked data. In: Fischer, P.M. and Alonso, G. and Arenas, M. and Geerts, F. (eds.) EDBT/ICDT 2015 Workshops. CEUR Workshop Proceedings 1330. CEUR, pp. 213-220.

    Dimartino, Mirko and Calì, Andrea and Poulovassilis, Alexandra and Wood, Peter (2015) Implementing peer-to-peer semantic integration of linked data. In: Maneth, S. (ed.) Data Science. Lecture Notes in Computer Science 9147. New York, U.S.: Springer, pp. 41-45. ISBN 9783319204239.

    Alasiry, Areej and Levene, Mark and Poulovassilis, Alexandra (2014) Mining named entities from search engine query logs. In: Almeida, A. and Bernardino, J. and Ferreira Gomes, E. (eds.) Proceedings of the 18th International Database Engineering & Applications Symposium. IDEAS '14. Porto, Portugal: Association for Computing Machinery, pp. 46-56. ISBN 9781450326278.

    Poulovassilis, Alexandra (2013) Database research challenges and opportunities of big graph data. In: Gottlob, G. and Grasso, G. and Olteanu, D. and Schallhart, C. (eds.) Big Data. Berlin, Germany: Springer Verlag, pp. 29-32. ISBN 9783642394676.

    Alasiry, Areej and Levene, Mark and Poulovassilis, Alexandra (2012) Detecting candidate named entities in search queries. In: UNSPECIFIED (ed.) Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval - SIGIR '12. New York, USA: ACM Publications, pp. 1049-1050. ISBN 9781450314725.

    Alasiry, Areej and Levene, Mark and Poulovassilis, Alexandra (2012) Extraction and evaluation of candidate named entities in search engine queries. In: Wang, X.S. and Cruz, I. and Delis, A. and Huang, G. (eds.) Web Information Systems Engineering - WISE 2012. Lecture Notes in Computer Science 7651. Berlin, Germany: Springer Verlag, pp. 483-496. ISBN 9783642350634.

    Wang, J. and Martin, Nigel and Poulovassilis, Alexandra (2012) An ontology-based quality framework for data integration. In: Niedrite, L. and Strazdina, R. and Wangler, B. (eds.) Workshops on Business Informatics Research. Lecture Notes in Business Information Processing 106. Berlin, Germany: Springer Verlag, pp. 196-208. ISBN 9783642292309.

    Poulovassilis, Alexandra and Wood, Peter T. (2010) Combining approximation and relaxation in semantic web path queries. In: Patel-Schneider, P.F. and Pan, Y. and Hitzler, P. and Mika, P. and Zhang, L. and Pan, J.Z. and Horrocks, I. and Glimm, B. (eds.) The Semantic Web – ISWC 2010. Lecture Notes In Computer Science 6496. Berlin, Germany: Springer, pp. 631-646. ISBN 9783642177453.

    Xhafa, Fatos and Poulovassilis, Alexandra (2010) Requirements for distributed event-based awareness in P2P groupware systems. In: UNSPECIFIED (ed.) International Conference on Advanced Information Networking and Applications Workshops. Washington, USA: IEEE Computer Society, pp. 220-225. ISBN 9780769540191.

    Pearce-Lazard, D. and Poulovassilis, Alexandra and Geraniou, E. (2010) The design of teacher assistance tools in an exploratory learning environment for mathematics generalisation. In: Wolpers, M. and Kirschner, P.A. and Scheffel, M. and Lindstaedt, S. and Dimitrova, V. (eds.) Sustaining TEL: From Innovation to Learning and Practice. Lecture Notes in Computer Science 6383. Berlin, Germany: Springer Verlag, pp. 260-275. ISBN 9783642160202.

    Poulovassilis, Alexandra (2009) Data integration architectures and methodology for the life sciences. In: Liu, L. and Özsu, M.T. (eds.) Encyclopedia of Database Systems. Springer US, pp. 585-590. ISBN 9780387355443.

    de Freitas, Sara and Rebolledo-Mendez, G. and Liarokapis, F. and Magoulas, George D. and Poulovassilis, Alexandra (2009) Developing an evaluation methodology for immersive learning experiences in a virtual world. In: UNSPECIFIED (ed.) Conference in Games and Virtual Worlds for Serious Applications. New York, USA: Institute of Electrical and Electronics Engineers, pp. 43-50. ISBN 9780769535883.

    Hurtado, C.A. and Poulovassilis, Alexandra and Wood, Peter T. (2009) Finding Top-k approximate answers to path queries. In: Andreasen, T. and Yager, R.R. and Bulskov, H. and Christiansen, H. and Larsen, H.L. (eds.) Flexible Query Answering Systems. Lecture Notes In Computer Science 5822. Berlin, Germany: Springer, pp. 465-476. ISBN 9783642049569.

    Hurtado, C.A. and Poulovassilis, Alexandra and Wood, Peter T. (2009) Ranking approximate answers to semantic web queries. In: Aroyo, L. and Traverso, P. and Ciravegna, F. and Cimiano, P. and Heath, T. and Hyvonen, E. and Mizoguchi, R. and Oren, E. and Sabou, M. and Simperl, E. (eds.) The Semantic Web: Research and Applications. Lecture Notes In Computer Science 5554. Berlin, Germany: Springer, pp. 263-277. ISBN 9783642021206.

    Labeke, N. and Magoulas, George D. and Poulovassilis, Alexandra (2009) Searching for “people like me” in a lifelong learning system. In: Cress, U. and Dimitrova, V. and Specht, M. (eds.) Learning in the Synergy of Multiple Disciplines. Lecture Notes in Computer Science 5794. Berlin, Germany: Springer Verlag, pp. 106-111. ISBN 9783642046360.

    Pearce, D. and Poulovassilis, Alexandra (2009) The conceptual and architectural design of a system supporting exploratory learning of mathematics generalisation. In: Cress, U. and Dimitrova, V. and Specht, M. (eds.) Learning in the Synergy of Multiple Disciplines. Berlin, Germany: Springer Verlag, pp. 22-36. ISBN 9783642046353.

    Pearce, D. and Geraniou, E. and Gutierrez-Santos, Sergio and Mavrikis, M. and Cocea, Mihaela and Hoyles, C. and Kahn, K. and Magoulas, George D. and Noss, R. and Poulovassilis, Alexandra and Winters, N. (2009) An eco-friendly intelligent environment for exploring mathematical generalisation. In: Dimitrova, V. and Mizoguchi, R. and du Boulay, B. and Graesser, A. (eds.) Building Learning Systems that Care: From Knowledge Representation to Affective Modelling. Frontiers in Artificial Intelligence and Applications: Artificial Intelligence in Education 200. Amsterdam, Netherlands: IOS Press, p. 804. ISBN 9781607500285.

    de Freitas, Sara and Harrison, I. and Magoulas, George D. and Papamarkos, G. and Poulovassilis, Alexandra and van Labeke, N. and Mee, A. and Oliver, M. (2008) L4All: a web-service based system for lifelong learners. In: Salerno, S. and Gaeta, M. and Ritrovato, P. and Capuano, N. and Orciuoli, F. and Miranda, S. and Pierri, A. (eds.) The Learning Grid Handbook: Concepts, Technologies and Applications: The Future of Learning. Amsterdam, The Netherlands: IOS Press, pp. 143-155. ISBN 9781586038298.

    Keenoy, K. and Christophides, V. and Papamarkos, G. and Poulovassilis, Alexandra and Kotzinos, D. and Rigaux, P. and Spyratos, N. and Wood, Peter T. (2008) Personalisation services for self e-learning networks. In: Salerno, S. and Gaeta, M. and Ritrovato, P. and Capuano, N. and Orciuoli, F. and Miranda, S. and Pierri, A. (eds.) The Learning Grid Handbook: Concepts, Technologies and Applications: The Future of Learning. Amsterdam, The Netherlands: IOS Press, pp. 157-172. ISBN 9781586038298.

    Hurtado, C.A. and Poulovassilis, Alexandra and Wood, Peter T. (2008) Query relaxation in RDF. In: Spaccapietra, Spaccapietra (ed.) Journal on Data Semantics X. Lecture Notes in Computer Science 4900 4900. Berlin, Germany: Springer, pp. 31-61. ISBN 9783540776871.

    Williams, D. and Poulovassilis, Alexandra (2008) Combining data integration and IE techniques to support partially structured data. In: Kapetanios, E. and Sugumaran, V. and Spiliopoulou, M. (eds.) Natural Language and Information Systems. Lecture Notes in Computer Science 5039. Berlin, Germany: Springer Verlag, pp. 175-186. ISBN 9783540698586.

    Zamboulis, Lucas and Poulovassilis, Alexandra and Roussos, George (2008) Flexible data integration and ontology-based data access to medical records. In: UNSPECIFIED (ed.) IEEE International Conference on BioInformatics and BioEngineering. Institute of Electrical and Electronics Engineers. ISBN 9781424428441.

    Labeke, N. and Poulovassilis, Alexandra and Magoulas, George D. (2008) Using similarity metrics for matching lifelong learners. In: Woolf, B. and Aimeur, E. and Nkambou, R. and Lajoie, S. (eds.) Intelligent Tutoring Systems. Lecture Notes in Computer Science 5091. Berlin, Germany: Springer Verlag, pp. 142-151. ISBN 9783540691327.

    Zamboulis, Lucas and Martin, Nigel and Poulovassilis, Alexandra (2007) Bioinformatics service reconciliation by heterogeneous schema transformation. In: Cohen Boulakia, S. and Tannen, V. (eds.) Data Integration in the Life Sciences. Lecture Notes in Computer Science 4544. Berlin, Germany: Springer , pp. 89-104. ISBN 9783540732549 .

    Zamboulis, Lucas and Fan, Hao and Belhajjame, Khalid and Siepen, Jennifer and Jones, Andrew and Martin, Nigel and Poulovassilis, Alexandra and Hubbard, Simon and Embury, Suzanne and Paton, Norman (2006) Data access and integration in the ISPIDER proteomics grid. In: Leser, U. and Naumann, F. and Eckman, B. (eds.) Data Integration in the Life Sciences. Lecture Notes in Computer Science 4075. Berlin, Germany: Springer, pp. 3-18. ISBN 9783540365938.

    Maibaum, M. and Zamboulis, Lucas and Rimon, G. and Orengo, C.A. and Martin, Nigel and Poulovassilis, Alexandra (2005) Cluster based integration of heterogeneous biological databases using the AutoMed toolkit. In: Ludascher, B. and Raschid, L. (eds.) Data Integration in the Life Sciences. Lecture Notes In Computer Science 3615 3615. Berlin, Germany: Springer, pp. 191-207. ISBN 9783540279679.

    Fan, Hao and Poulovassilis, Alexandra (2005) Using schema transformation pathways for data lineage tracing. In: Jackson, M. and Nelson, D. and Stirk, S. (eds.) Database: Enterprise, Skills and Innovation. Lecture Notes in Computer Science 3567. Berlin, Germany: Springer-Verlag, pp. 133-144. ISBN 9783540269731.

    Maibaum, M. and Rimon, G. and Orengo, C.A. and Martin, Nigel and Poulovassilis, Alexandra (2004) BioMap: gene family based integration of heterogeneous biological databases using AutoMed metadata. In: UNSPECIFIED (ed.) Proceedings. 15th International Workshop on Database and Expert Systems Applications, 2004. Piscataway, U.S.: IEEE Computer Society, pp. 384-388. ISBN 0769521959.

    McBrien, P. and Poulovassilis, Alexandra (2003) Data integration by bi-directional schema transformation rules. In: Dayal, U. and Ramamritham, K. and Vijayaraman, T.M. (eds.) Proceedings 19th International Conference on Data Engineering (Cat. No.03CH37405). Piscataway, U.S.: IEEE Computer Society, pp. 227-238. ISBN 078037665X.

    Conference or Workshop Item

    Poulovassilis, Alexandra and Zamboulis, Lucas and Wang, J. (2008) Ontology-assisted data transformation and integration. In: 4th International VLDB Workshop on Ontology-based Techniques for DataBases in Information Systems and Knowledge Systems, August 24-30, 2008, Auckland, New Zealand. (Unpublished)

    Poulovassilis, Alexandra and Al-Tawil, M. and Frosini, Riccardo and Dimartino, Mirko and Dimitrova, V. Combining flexible queries and knowledge anchors to facilitate the exploration of knowledge graphs. In: 5th International Workshop on Intelligent Exploration of Semantic Data (IESD 2016), 17-21 Oct 2016, Co-located with the 15th International Semantic Web Conference (ISWC 2016), Kobe, Japan. (In Press)

    Book

    Calì, Andrea and Wood, Peter and Martin, Nigel and Poulovassilis, Alexandra, eds. (2017) Data Analytics: 31st British International Conference on Databases, BICOD 2017, London, UK, July 10–12, 2017, Proceedings. Lecture Notes in Computer Science 10365. Springer. ISBN 9783319607948.

    This list was generated on Tue Sep 26 03:52:14 2017 BST.