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trade-offs
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficient Skyline Refinement using Trade-Offs", 3rd IEEE International Conference on Research Challenges in Information Science (RCIS), Fès, Morocco, 04/2009. Abstract  Download: rcis09_final.pdf (540.78 KB)
Lofi, C., U. Güntzer, and W. - T. Balke, "Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs", International Journal of Computer Science & Applications (IJCSA), vol. 5, no. 3b, pp. 165 - 185, 2008. Abstract  Download: Fulltext-PDF (888.54 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "User Interaction Support for Incremental Refinement of Preference-Based Queries", 1st IEEE International Conference on Research Challenges in Information Science (RCIS), Ouarzazate, Morocco, 04/2007. Abstract  Download: Fulltext-PDF (643.83 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Incremental Trade-Off Management for Preference Based Queries", International Journal of Computer Science & Applications (IJCSA), vol. 4, no. 2, 06/2007. Abstract  Download: Fulltext-PDF (572.96 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences", 12th International Conference on Database Systems for Advanced Applications (DASFAA), Bangkok, Thailand, 2007. Abstract  Download: dasfaa07-camRed.pdf (393.17 KB)
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs", 2nd IEEE International Conference on Research Challenges in Information Science (RCIS), Marrakech, Morocco, 2008. Abstract  Download: Fulltext-PDF (555.38 KB)
Trade-Off Incorporation
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficient Skyline Refinement using Trade-Offs Respecting Don't Care Attributes", International Journal of Computer Science & Applications (IJCSA), vol. 6, no. 5, 10/2009. Abstract  Download: Fulltext PDF (831.91 KB)
skyline
Lofi, C., U. Güntzer, and W. - T. Balke, "Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs", International Journal of Computer Science & Applications (IJCSA), vol. 5, no. 3b, pp. 165 - 185, 2008. Abstract  Download: Fulltext-PDF (888.54 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "User Interaction Support for Incremental Refinement of Preference-Based Queries", 1st IEEE International Conference on Research Challenges in Information Science (RCIS), Ouarzazate, Morocco, 04/2007. Abstract  Download: Fulltext-PDF (643.83 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Incremental Trade-Off Management for Preference Based Queries", International Journal of Computer Science & Applications (IJCSA), vol. 4, no. 2, 06/2007. Abstract  Download: Fulltext-PDF (572.96 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences", 12th International Conference on Database Systems for Advanced Applications (DASFAA), Bangkok, Thailand, 2007. Abstract  Download: dasfaa07-camRed.pdf (393.17 KB)
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs", 2nd IEEE International Conference on Research Challenges in Information Science (RCIS), Marrakech, Morocco, 2008. Abstract  Download: Fulltext-PDF (555.38 KB)
query
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs", 2nd IEEE International Conference on Research Challenges in Information Science (RCIS), Marrakech, Morocco, 2008. Abstract  Download: Fulltext-PDF (555.38 KB)
Lofi, C., U. Güntzer, and W. - T. Balke, "Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs", International Journal of Computer Science & Applications (IJCSA), vol. 5, no. 3b, pp. 165 - 185, 2008. Abstract  Download: Fulltext-PDF (888.54 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "User Interaction Support for Incremental Refinement of Preference-Based Queries", 1st IEEE International Conference on Research Challenges in Information Science (RCIS), Ouarzazate, Morocco, 04/2007. Abstract  Download: Fulltext-PDF (643.83 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Incremental Trade-Off Management for Preference Based Queries", International Journal of Computer Science & Applications (IJCSA), vol. 4, no. 2, 06/2007. Abstract  Download: Fulltext-PDF (572.96 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences", 12th International Conference on Database Systems for Advanced Applications (DASFAA), Bangkok, Thailand, 2007. Abstract  Download: dasfaa07-camRed.pdf (393.17 KB)
processing
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs", 2nd IEEE International Conference on Research Challenges in Information Science (RCIS), Marrakech, Morocco, 2008. Abstract  Download: Fulltext-PDF (555.38 KB)
Lofi, C., U. Güntzer, and W. - T. Balke, "Consistency Check Algorithms for Multi-Dimensional Preference Trade-Offs", International Journal of Computer Science & Applications (IJCSA), vol. 5, no. 3b, pp. 165 - 185, 2008. Abstract  Download: Fulltext-PDF (888.54 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "User Interaction Support for Incremental Refinement of Preference-Based Queries", 1st IEEE International Conference on Research Challenges in Information Science (RCIS), Ouarzazate, Morocco, 04/2007. Abstract  Download: Fulltext-PDF (643.83 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Incremental Trade-Off Management for Preference Based Queries", International Journal of Computer Science & Applications (IJCSA), vol. 4, no. 2, 06/2007. Abstract  Download: Fulltext-PDF (572.96 KB)
Balke, W. - T., C. Lofi, and U. Güntzer, "Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences", 12th International Conference on Database Systems for Advanced Applications (DASFAA), Bangkok, Thailand, 2007. Abstract  Download: dasfaa07-camRed.pdf (393.17 KB)
perceptual spaces
Selke, J., C. Lofi, and W. - T. Balke, "Pushing the Boundaries of Crowd-Enabled Databases with Query-Driven Schema Expansion", 38th Int. Conf. on Very Large Data Bases (VLDB), Istanbul, Turkey, in PVLDB 5(6) , 08/12, 2012. Abstract  Download: 267_camera-ready-v3.pdf (1.25 MB)
Parallelization
Selke, J., C. Lofi, and W. - T. Balke, "Highly Scalable Multiprocessing Algorithms for Preference-Based Database Retrieval", 15th International Conference on Database Systems for Advanced Applications (DASFAA), Tsukuba, Japan, 04/2010. Abstract  Download: Fulltext.pdf (1.01 MB)
natural language processing
Lofi, C., and R. Krestel, "iParticipate: Automatic Tweet Generation from Local Government Data", 17th International Conference on Database Systems for Advanced Applications (DASFAA) - Demo Track, Busan, South Korea, 04/2012. Abstract  Download: dasfaa12_iparticipate (211.5 KB)
modelling
Lofi, C., D. Olmedilla, O. Papapetrou, W. Siberski, J. L. D. Coi, A. Kösling, and E. Herder, "A Model for Competence Gap Analysis", 3rd International Conference on Web Information Systems and Technologies (WEBIST), Barcelona, Spain, 03/2007. Abstract  Download: Fulltext-PDF (103.53 KB)
mobile shopping. probabilistic retrieval
Lofi, C., C. Nieke, and W. - T. Balke, "Mobile Product Browsing using Bayesian Retrieval", 12th IEEE Conference on Commerce and Enterprise Computing (CEC), Shanghai, China, 11/2010. Abstract  Download: Fulltext (726.29 KB)
Linked Open Data.
Lofi, C., U. Güntzer, and W. - T. Balke, "Malleability-Aware Skyline Computation on Linked Open Data", 17th International Conference on Database Systems for Advanced Applications (DASFAA), Busan, South Korea, 04/2012. Abstract  Download: Dasfaa12_Lofi (799.68 KB)
Linked Open Data
Lofi, C., U. Güntzer, and W. - T. Balke, "Equivalence Heuristics for Malleability-Aware Skylines", Journal of Computing Science and Engineering (JCSE), vol. 6, no. 3, 09/2012. Abstract  Download: JCSE-2012-0037.pdf (1.97 MB)
hr
Lofi, C., D. Olmedilla, O. Papapetrou, W. Siberski, J. L. D. Coi, A. Kösling, and E. Herder, "A Model for Competence Gap Analysis", 3rd International Conference on Web Information Systems and Technologies (WEBIST), Barcelona, Spain, 03/2007. Abstract  Download: Fulltext-PDF (103.53 KB)
consistency
Balke, W. - T., C. Lofi, and U. Güntzer, "User Interaction Support for Incremental Refinement of Preference-Based Queries", 1st IEEE International Conference on Research Challenges in Information Science (RCIS), Ouarzazate, Morocco, 04/2007. Abstract  Download: Fulltext-PDF (643.83 KB)
Lofi, C., W. - T. Balke, and U. Güntzer, "Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs", 2nd IEEE International Conference on Research Challenges in Information Science (RCIS), Marrakech, Morocco, 2008. Abstract  Download: Fulltext-PDF (555.38 KB)
competences
Lofi, C., D. Olmedilla, O. Papapetrou, W. Siberski, J. L. D. Coi, A. Kösling, and E. Herder, "A Model for Competence Gap Analysis", 3rd International Conference on Web Information Systems and Technologies (WEBIST), Barcelona, Spain, 03/2007. Abstract  Download: Fulltext-PDF (103.53 KB)