• S. Yigit-Sert, I.S. Altingovde, O Ulusoy, Diversity-aware strategies for static index pruning, Information Processing & Management, vol.61, no.5, 2024. ( pdf copy)
• M. C. Cavdar, I. Korpeoglu, O. Ulusoy, Application Scheduling with Multiplexed Sensing of Monitoring Points in Multi-purpose IoT Wireless Sensor Networks, IEEE Transactions on Network and Service Management, vol.21, 2024. (pdf copy)
• A. Usta, A. Karakayalı, O. Ulusoy, xDBTagger: explainable natural language interface to databases using keyword mappings and schema graph, VLDB Journal, vol.33, 2024. (pdf copy)
• D. Durmus, U. Gudukbay, O. Ulusoy, Learning visual similarity for image retrieval with global descriptors and capsule networks, Multimedia Tools and Applications, vol.83, 2024. (pdf copy)
• M. C. Cavdar, I. Korpeoglu, O. Ulusoy, A Utilization Based Genetic Algorithm for virtual machine placement in cloud systems, Computer Communications, vol.214, 2024. (pdf copy)
• T. Yilmaz, O. Ulusoy, Misinformation Propagation in Online Social Networks: Game Theoretic and Reinforcement Learning Approaches, IEEE Transactions on Computational Social Systems, vol.10, 2023. (pdf copy)
• M. C. Cavdar, I. Korpeoglu, O. Ulusoy, Application placement with shared monitoring points in multi-purpose IoT wireless sensor networks, Computer Networks, vol.217, 2022. (pdf copy)
• T. Yilmaz, O. Ulusoy, Understanding security vulnerabilities in student code: A case study in a non-security course, Journal of Systems and Software, vol.185, 2022. (pdf copy)
• A. Usta, R. Ozcan, I. S. Altingovde, O. Ulusoy, Learning to Rank for Educational Search Engines, IEEE Transactions on Learning Technologies, vol.14, no.2, 2021. (pdf copy)
• A. Usta, A. Karakayalı, O. Ulusoy, DBTagger: Multi-Task Learning for Keyword Mapping in NLIDBs Using Bi-Directional Recurrent Neural Networks, Proceedings of the VLDB Endowment, vol.14, no.5, 2021. ( pdf copy)
• S. Yigit-Sert, I.S. Altingovde, C. Macdonald, I. Ounis, O Ulusoy, Explicit diversification of search results across multiple dimensions for educational search, Journal of the Association for Information Science and Technology, vol.72, no.3, 2021. ( pdf copy)
• N. Almadhoun, E. Ayday, O. Ulusoy, Inference attacks against differentially private query results from genomic datasets including dependent tuples, Bioinformatics, vol.36, Supplement_1, ISMB 2020. ( pdf copy)
• S. Yigit-Sert, I.S. Altingovde, C. Macdonald, I. Ounis, O Ulusoy, Supervised approaches for explicit search result diversification, Information Processing & Management, vol.57, no.6, 2020. ( pdf copy)
• N. Almadhoun, E. Ayday, O. Ulusoy, Differential Privacy Under Dependent Tuples – The Case of Genomic Privacy, Bioinformatics, vol.36, no.6, 2020. ( pdf copy)
• T. Yilmaz, R. Ozcan, I. S. Altingovde, O. Ulusoy, Improving Educational Web Search for Question-like Queries through Subject Classification, Information Processing and Management, vol.56, no.1, 2019. ( pdf copy)
• H. Aksu, I. Korpeoglu, O. Ulusoy, An Analysis of Social Networks based on Tera-scale Telecommunication Datasets, IEEE Transactions on Emerging Topics in Computing, vol.7, no.2, 2019. ( pdf copy)
• A. Usta, I. S. Altingovde, R. Ozcan, O. Ulusoy, Re-finding Behaviour in Educational Search, International Conference on Theory and Practice of Digital Libraries (TPDL’19), Oslo, Norway, September 2019. ( pdf copy)
• E. Sarıgil, I. S. Altingovde, R. Blanco, B. Cambazoglu, R. Ozcan, O. Ulusoy, Characterizing, predicting, and handling web search queries that match very few or no results, Journal of the Association for Information Science and Technology, vol.69, no.2, 2018. ( pdf copy)
• A.Ilkhechi, I. Korpeoglu, U. Gudukbay, O. Ulusoy, PETAL: A fully distributed location service for wireless ad hoc networks, Journal of Network and Computer Applications, vol.83, 2017. ( pdf copy)
• F. Calısır, M. Bastan, O. Ulusoy, U. Gudukbay, Mobile Multi-View Object Image Search, Multimedia Tools and Applications, vol.76, no.10, 2017.  ( pdf copy)
• E. Sarıgil, O. Yılmaz, I. S. Altingovde, R. Ozcan, O. Ulusoy, A "Suggested" Picture of Web Search in Turkish, ACM Transactions on Asian and Low-Resource Language Information Processing, vol.15, no.4, Article 24, 2016. ( pdf copy)
• B. Kahveci, I. S. Altingovde, O. Ulusoy, Integrating Social Features into Mobile Local Search, Journal of Systems and Software, vol.122, 2016. ( pdf copy)
• S. Yigit Sert, I. S. Altingovde, O. Ulusoy, Towards detecting media bias by utilizing user comments, ACM Conference on Web Science (WebSci’16), Hannover, Germany, May 2016. ( pdf copy)
• H. Aksu, M. Canim, Y. C. Chang, I. Korpeoglu, O. Ulusoy, Efficient Community Identification and Maintenance at Multiple Resolutions on Distributed Datastores, Data & Knowledge Engineering, vol.100, Part A, 2015. ( pdf copy)
• A.Ilkhechi, I. Korpeoglu, O. Ulusoy, Network-Aware Virtual Machine Placement in Cloud Data Centers with Multiple Traffic-Intensive Components, Computer Networks, vol.91, 2015. ( pdf copy)
• S. Genc, M. Bastan, U. Gudukbay, V. Atalay, O. Ulusoy, A Hand-Gesture-Based Query Interface for a Video Retrieval System, Signal, Image and Video Processing, vol.9, no.7, 2015. ( pdf copy)
• F. B. Sazoglu, I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, O. Ulusoy, Propagating Expiration Decisions in a Search Engine Result Cache, 24th International Conference on World Wide Web (WWW'15), Florence, Italy, May 2015. ( pdf copy)
• H. Aksu, M. Canim, Y. C. Chang, I. Korpeoglu, O. Ulusoy, Graph Aware Caching Policy For Distributed Graph Stores, IEEE International Conference on Cloud Engineering (IC2E’15), Tempe, AZ, USA, March 2015. ( pdf copy)
• F. Calısır, M. Bastan, U. Gudukbay, O. Ulusoy, Coklu Sorgu YOntemiyle Mobil GOruntu Arama (Mobile Image Search Using Multi-Query Images) (in Turkish), IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'15), Malatya, Turkey, May 2015. ( pdf copy)
• O. Ulusoy, A. U. Tansel, M. E. Arkun (editors), Recommendation and Search in Social Networks, Lecture Notes in Social Networks, Springer 2015, ISBN 978-3-319-14378-1, 2015.
• H. Aksu, M. Canim, Y. C. Chang, I. Korpeoglu, O. Ulusoy, Distributed k-Core View Materialization and Maintenance for Large Dynamic Graphs,  IEEE Transactions on Knowledge and Data Engineering, vol.26, no.10, 2014. ( pdf copy)
• A. Usta, I. S. Altingovde, I. B. Vidinli, R. Ozcan, O. Ulusoy, How k-12 students search for learning?: analysis of an educational search engine log, 37th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'14), Gold Coast, QLD, Australia, July 2014. ( pdf copy)

• R. Ozcan,  I. S. Altingovde, B. B. Cambazoglu, O. Ulusoy, Second Chance: A Hybrid Approach for Dynamic Result Caching and Prefetching in Search Engines,  ACM Transactions on the Web, vol.8, no.1, 2014. ( pdf copy)
• I. S. Altingovde, O. N. Subakan, O. Ulusoy, Cluster searching strategies for collaborative recommendation systems, Information Processing and Management, vol.49, no.3, 2013. ( pdf copy)
• H.  Aksu, M. Canim, Y. C. Chang, I. Korpeoglu, O. Ulusoy, Multi-resolution Social Network Community Identification and Maintenance on Big Data Platform, 2nd IEEE International Congress on Big Data (BigData’13), Santa Clara, CA, USA, June 2013. ( pdf copy)  Best Paper Award
• F. B. Sazoglu, B. B. Cambazoglu, R. Ozcan, I. S. Altingovde, O. Ulusoy, A Financial Cost Metric for Result Caching, 36th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'13), Dublin, Ireland, July 2013. ( pdf copy)
• F. B. Sazoglu, B. B. Cambazoglu, R. Ozcan, I. S. Altingovde, O. Ulusoy, Strategies for setting time-to-live values in result caches, ACM 22nd Conference on Information and Knowledge Management (CIKM’13), San Francisco, CA, USA, October 2013.

• I. S. Altingovde, R. Ozcan, O. Ulusoy, Static Index Pruning in Web Search Engines: Combining Term and Document Popularities with Query Views,  ACM Transactions on Information Systems, vol.30, no.1, 2012. ( pdf copy)
• B. B. Cambazoglu, I. S. Altingovde, R. Ozcan, O. Ulusoy, Cache-Based Query Processing for Search Engines, ACM Transactions on the Web, vol.6, no.4, 2012. ( pdf copy)
• Y. E. Aslan, I. Korpeoglu, O. Ulusoy, A Framework for Use of Wireless Sensor Networks in Forest Fire Detection and Monitoring, Computers, Environment and Urban Systems, vol.36, no.6, 2012. ( pdf copy)
• R. Ozcan, I. S. Altingovde, B. B. Cambazoglu, F. P. Junqueira, O. Ulusoy, Five-level Static Cache Architecture for Web Search Engines, Information Processing and Management, vol.48, no.5, 2012. ( pdf copy)
• I. S. Altingovde, R. Blanco, B. B. Cambazoglu, R. Ozcan, E. Sarigil, O. Ulusoy, Characterizing Web Search Queries that Match Very Few or No Results, ACM 21st Conference on Information and Knowledge Management (CIKM’12), Maui, Hawaii, USA, October 2012. ( pdf copy)
• Y Aytas, H Ferhatosmanoglu, O Ulusoy, Link Recommendation in P2P Social Networks, VLDB Workshop on Online Social Systems (WOSS 2012), Istanbul, Turkey, August 2012. ( pdf copy)
• S. Alici, I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, O. Ulusoy, Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines, 34th European Conference on Information Retrieval (ECIR’12), Barcelona, Spain, April 2012. ( pdf copy)
• D. Atilgan, I. S. Altingovde, O. Ulusoy, On the Size of Full Element-Indexes for XML Keyword Search, 34th European Conference on Information Retrieval (ECIR’12), Barcelona, Spain, April 2012. ( pdf copy)
• R. Ozcan, I. S. Altingovde, O. Ulusoy, In Praise of Laziness: A Lazy Strategy for Web Information Extraction, 34th European Conference on Information Retrieval (ECIR’12), Barcelona, Spain, April 2012. ( pdf copy)

• R. Ozcan, I. S. Altingovde, O. Ulusoy, Cost-Aware Strategies for Query Result Caching in Web Search Engines, ACM Transactions on the Web, vol.5, no.2, 2011. ( pdf copy)
• F. Cakir, U. Gudukbay, O. Ulusoy, Nearest-Neighbor based Metric Functions for indoor scene recognition, Computer Vision and Image Understanding, vol.115, no.11, 2011. ( pdf copy)
• R. Ozcan, I. S. Altingovde, O. Ulusoy, Exploiting Navigational Queries for Result Presentation and Caching in Web Search Engines, Journal of the American Society for Information Science and Technology (JASIST), vol.62, no.4, 2011.( pdf copy)
• I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, O. Ulusoy, Second Chance: A Hybrid Approach for Dynamic Result Caching in Search Engines, 33rd European Conference on Information Retrieval (ECIR'11), Dublin, Ireland, April 2011. ( pdf copy)
• S. Alici, I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, O. Ulusoy, Timestamp-based Cache Invalidation for Search Engines, 20th International Conference on World Wide Web (WWW'11), Hyderabad, India, March 2011. ( pdf copy)
• S. Alici, I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, O. Ulusoy, Timestamp-based Result Cache Invalidation Mechanisms for Web Search Engines, 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'11), Beijing, China, July 2011. ( pdf copy)
• I. S. Altingovde, R. Ozcan, O. Ulusoy, Evolution of Web Search Results within Years , 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'11), Beijing, China, July 2011. ( pdf copy)

• M. Bastan, H. Cam, U. Gudukbay, O. Ulusoy, BilVideo-7: An MPEG-7 Compatible Video Indexing and Retrieval System, IEEE Multimedia, vol.17, no.3, 2010.( pdf copy)
• O. Kucuktunc, U. Gudukbay, O. Ulusoy, Fuzzy Color Histogram-based Video Segmentation, Computer Vision and Image Understanding, vol.114, no.1, 2010. ( pdf copy)
• E. Saykol, M. Bastan, U. Gudukbay, O. Ulusoy, Keyframe Labeling Technique for Surveillance Event Classification, Optical Engineering, vol.49, no.11, 2010. ( pdf copy)
• O. Kucuktunc, M. Bastan, U. Gudukbay, O. Ulusoy, Video Copy Detection Using Multiple Visual Cues and MPEG-7 Descriptors, Journal of Visual Communication and Image Representation, vol.21, no.8, 2010.( pdf copy) 
• E. Saykol, U. Gudukbay, O. Ulusoy,  Scenario-Based Query Processing for Video-Surveillance Archives, Engineering Applications of Artificial Intelligence, vol.23, no.3, 2010.( pdf copy)
• I. S. Altingovde, D. Atilgan, O. Ulusoy,  XML Retrieval using Pruned Element-Index Files, 32nd European Conference on Information Retrieval (ECIR’10), Milton Keynes, UK, March 2010. ( pdf copy)

• İ. Z. Yalnız, S. AltıngOvde, U. Gudukbay, O. Ulusoy, Ottoman Archives Explorer: A Retrieval System for Digital Ottoman Archives, ACM Journal on Computing and Cultural Heritage, vol.2, no.3, 2009. ( pdf copy)
• S. Ciraci, I. Korpeoglu, O. Ulusoy, Reducing Query Overhead Through Route Learning in Unstructured Peer-to-Peer Networks, Journal of Network and Computer Applications, vol.32, no.3, 2009.( pdf copy)
• M. Karakaya, I. Korpeoglu, O. Ulusoy,  Free Riding in Peer-To-Peer Networks, IEEE Internet Computing, vol.13, no.2, 2009.( pdf copy)
• İ. Z. Yalnız, S. AltıngOvde, U. Gudukbay, O. Ulusoy, Integrated Segmentation and Recognition of Connected Ottoman Script, Optical Engineering, vol.48, no.11, 2009.( pdf copy)
• M. Karakaya, I. Korpeoglu, O. Ulusoy,  A General Purpose Simulator for Unstructured P2P Networks and a Sample Application, Journal of Defense Sciences, vol.8, no.2, November 2009.( pdf copy)
• I. S. Altingovde, R. Ozcan, O. Ulusoy, A Cost-Aware Strategy for Query Result Caching in Web Search Engines, 31st European Conference on Information Retrieval (ECIR'09),  Lecture Notes in Computer Science (Springer Verlag), vol.5478, 2009.( pdf copy) 
• I. S. Altingovde, R. Ozcan, O. Ulusoy, A Practitioner’s Guide for Static Index Pruning, 31st European Conference on Information Retrieval (ECIR'09),  Lecture Notes in Computer Science (Springer Verlag), vol.5478, 2009.( pdf copy) Best Poster Award
• I. S. Altingovde, R. Ozcan, O. Ulusoy, Exploiting Query Views for Static Index Pruning in Web Search Engines, ACM 18th Conference on Information and Knowledge Management (CIKM’09), Hong Kong, November 2009.( pdf copy)
• I. S. Altingovde, D. Atilgan, O. Ulusoy, Exploiting Index Pruning Methods for Clustering XML Collections, INEX 2009 Workshop (Initiative for the Evaluation of XML Retrieval) Pre-proceedings, Brisbane, Australia, December 2009.( pdf copy)

• T. Sevilmis, M. Bastan, U. Gudukbay, O. Ulusoy, Automatic Detection of Salient Objects and Spatial Relations in Videos for a Video Database System, Image and Vision Computing, vol.26, no.10, 2008. ( pdf copy)   
• I. S. Altingovde, E. Demir, F. Can, O. Ulusoy, Incremental Cluster-Based Retrieval Using Compressed Cluster-Skipping Inverted Files, ACM Transactions on Information Systems, vol.26, no.3, 2008. ( pdf copy) 
• M. Karakaya, I. Korpeoglu, O. Ulusoy, A Connection Management Protocol for Promoting Cooperation in Peer-to-Peer Networks, Computer Communications, vol.31, no.2, 2008. ( pdf copy)    
• M. Karakaya, I. Korpeoglu, O. Ulusoy, Counteracting Free Riding in Peer-To-Peer Networks, Computer Networks, vol.52, no.3, 2008. ( pdf copy)   
• R. Ozcan, I. S. Altingovde, O. Ulusoy, Utilization of Navigational Queries for Result Presentation and Caching in Search Engines, ACM 17th Conference on Information and Knowledge Management (CIKM’08), Napa Valley, California, USA, October 2008.( pdf copy)
• I. S. Altingovde, F. Can, O. Ulusoy, Efficient Processing of Category-Restricted Queries for Web Directories, 30th European Conference on Information Retrieval (ECIR'08),  Lecture Notes in Computer Science (Springer Verlag), vol.4956, 2008.( pdf copy)
• M. Bastan, U. Gudukbay, O. Ulusoy, Segmentation-based Extraction of Important Objects from Video for Object-based Indexing, IEEE International Conference on Multimedia & Expo (ICME'08), Hannover, Germany, June 2008.( pdf copy)  
• I. S. Altingovde, E. Demir, F. Can, O. Ulusoy, Site-based Dynamic Pruning for Query Processing in Search Engines, 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'08), Singapore, 2008. ( pdf copy)
• R. Ozcan, S. Altingovde, O. Ulusoy, Static Query Result Caching Revisited, 17th International Conference on World Wide Web (WWW'08), Beijing, China, 2008. ( pdf copy)
• R. Ozcan, S. Altingovde, O. Ulusoy, Space Efficient Caching of Query Results in Search Engines, International Symposium on Computer and Information Sciences (ISCIS'08), Istanbul, Turkey, October 2008. ( pdf copy)
• M. Bastan, U. Gudukbay, O. Ulusoy, MPEG-7 Uyumlu Video Veri Tabanları İcin Onemli Nesnelerin Otomatik Olarak Bulunması (Automatic Extraction of Important Objects for an MPEG-7 Compliant Video Database System) (in Turkish), IEEE Sinyal İsleme ve Uygulamaları Kurultayı (SIU'08), Didim, Turkey, April 2008.( pdf copy)
• O. Kucuktunc, M. Bastan, U. Gudukbay, O. Ulusoy, Bilkent University Multimedia Database Research Group at TRECVID 2008, TREC Video Retrieval Evaluation Online Proceedings, Notebook Paper, 2008. ( pdf copy)

• O. Ulusoy, Research Issues in Peer-to-Peer Data Management (Keynote Paper), International Symposium on Computer and Information Sciences (ISCIS'07), Ankara, Turkey, November 2007. ( ppt slides) ( pdf copy)   
• O. Kucuktunc, U. Gudukbay, O. Ulusoy, A Natural Language Based Interface for Querying a Video Database, IEEE Multimedia, vol.14, no.1, 2007. ( pdf copy)
• I. S. AltingOvde, R. Ozcan, S. Cetintas, H.Yilmaz, O. Ulusoy, An Automatic Approach to Construct Domain-Specific Web Portals, ACM 16th Conference on Information and Knowledge Management (CIKM’07), Lisbon, Portugal, November 2007.( pdf copy) 
• I. S. Altingovde, R. Ozcan, H.C. Ocalan, F. Can, O. Ulusoy, Large-Scale Cluster-Based Retrieval Experiments on Turkish Texts, 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'07), Amsterdam, The Netherlands, July 2007. ( pdf copy)
• S. Little, M. Martinelli, O. Salvetti, U. Gudukbay, O. Ulusoy, G. Chalendar, G. Grefenstette, Integration of Structural and Semantic Models for Multimedia Data Management, IEEE International Workshop on Content-Based Multimedia Indexing (CBMI'07), Bordeaux, France, June 2007. ( pdf copy)

• Kam-yiu Lam, O. Ulusoy, Adaptive Schemes for Location Update Generation in Execution of Location-Dependent Continuous Queries, Journal of Systems and Software, vol.79, no.4, 2006. ( pdf copy)
• M. Akdere, C. Bilgin. O. Gerdaneri, I. Korpeoglu, O. Ulusoy, U. Cetintemel, A Comparison of Epidemic Algorithms in Wireless Sensor Networks, Computer Communications, vol.29, no.13, 2006. ( pdf copy)
• A. Unal, Y. Saygin, O. Ulusoy, Processing Count Queries Over Event Streams at Multiple Time Granularities , Information Sciences, vol.176, no.14, 2006. ( pdf copy)
• I. S. Altingovde, F. Can, O. Ulusoy, Algorithms for Within-Cluster Searches Using Inverted Files, International Symposium on Computer and Information Sciences (ISCIS'06), Lecture Notes in Computer Science (Springer Verlag), vol.4263, 2006. ( pdf copy)
• I. S. AltingOvde, E. Saykol, O. Ulusoy, U. Gudukbay, E. Cetin, M. GOcmen, Osmanli Arsivleri Icerik-Bazli Sorgulama (IBS) Sistemi (Content-Based Retrieval (CBR) System for Ottoman Archives) (in Turkish) , IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'06), Antalya, Turkey, April 2006. ( pdf copy)
• Y. Bastanlar, S. AltingOvde, A. Aksay, O. Alav, O. Cavus, A. Alatan, Y. Yardimci, O. Ulusoy, U. Gudukbay, E. Cetin, G. Bozdagi Akar, S. Aksoy, E-Muze: Muzeler icin Web-Tabanli Gezi ve Bilgi Sistemi (E-Museum: Web-based Tour and Information System for Museums) (in Turkish), IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'06), Antalya, Turkey, April 2006. ( pdf copy)
• O. Ulusoy, Gercek-Zamanlý Veritabaný Sistemleri (in Turkish), Turkiye Biliþim Ansiklopedisi, (eds. T. Oren, T. Oney, R. COlkesen), Papatya Yayýncýlýk, 2006. ( word copy)
• O. Ulusoy, Multimedya Veritabaný Sistemleri (in Turkish), Turkiye Biliþim Ansiklopedisi, (eds. T. Oren, T. Oney, R. COlkesen), Papatya Yayýncýlýk, 2006. ( word copy)
• M. E. Donderler, E. Saykol, U. Arslan, O. Ulusoy, U. Gudukbay, BilVideo: Design and Implementation of a Video Database Management System, Multimedia Tools and Applications, vol.27, no.1, 2005. ( pdf copy)
• G. Yavas, D. Katsaros, O. Ulusoy, Y. Manolopoulos, A Data Mining Approach for Location Prediction in Mobile Environments Data and Knowledge Engineering, vol.54, no.2, 2005. ( pdf copy)
• O. Ulusoy, Database Research at Bilkent University (Invited Paper), ACM SIGMOD Record , vol.34, no.3, 2005. ( pdf copy)
• E. Saykol, U. Gudukbay, O. Ulusoy, A Histogram-Based Approach for Object-Based Query-by-Shape-and-Color in Image and Video Databases Image and Vision Computing, vol.23, no.13, 2005. ( pdf copy)
• E. Saykol, U. Gudukbay, O. Ulusoy, A Database Model for Querying Visual Surveillance by Integrating Semantic and Low-Level Features, International Workshop on Multimedia Information Systems (MIS'05), Lecture Notes in Computer Science (Springer Verlag), vol.3665, 2005. ( pdf copy)
• S. A. Ozalp, O. Ulusoy, Effective Early Termination Techniques for Text Similarity Join Operator, Computer and Information Sciences (ISCIS'05), Lecture Notes in Computer Science (Springer Verlag), vol.3733, 2005. ( pdf copy)
• S. Ciraci, I. Korpeoglu, O. Ulusoy, Characterizing Gnutella Network Properties for Peer-to-Peer Network Simulation, Computer and Information Sciences (ISCIS'05), Lecture Notes in Computer Science (Springer Verlag), vol.3733, 2005. ( pdf copy)
• D. Katsaros, G. Yavas, A. Nanopoulos, M. Karakaya, O. Ulusoy, Y. Manolopoulos, Resource Allocation in Wireless Networks, in Encyclopedia of Data Warehousing and Mining, (John Wang, ed.), IDEA Group Reference, 2005. ( pdf copy)
• I. S. Altingovde, O. Ulusoy, Exploiting Interclass Rules for Focused Crawling, IEEE Intelligent Systems, vol.19, no.6, 2004. ( pdf copy)
• G. Ozsoyoglu, I. S. Altingovde, A. Al-Hamdani, S. A. Ozel, O. Ulusoy, Z. M. Ozsoyoglu, Querying Web Metadata: Native Score Management and Text Support in Databases ACM Transactions on Database Systems, vol.29, no.4, 2004. ( pdf copy)
• M. E. Donderler, O. Ulusoy, U. Gudukbay, Rule-Based Spatio Temporal Query Processing for Video Databases, VLDB Journal, vol.13, no.1, 2004. ( pdf copy)
• E. Saykol, A. K. Sinop, U. Gudukbay, O. Ulusoy, E. Cetin, Content-Based Retrieval of Historical Ottoman Documents Stored as Textual Images, IEEE Transactions on Image Processing, vol.13, no.3, 2004. ( pdf copy)
• O. Ulusoy, U. Gudukbay, M. E. Donderler, E. Saykol, C. Alper, BilVideo Video Database Management System (demo paper), International Conference on Very Large Databases (VLDB'04), Toronto, Canada, August 2004. ( pdf copy)
• M. Karakaya, I. Korpeoglu, O. Ulusoy, A Distributed and Measurement-Based Framework Against Free Riding in Peer-to-Peer Networks (short paper), IEEE International Conference on Peer-to-Peer Computing (P2P'04), August 2004, Zurich, Switzerland.
• S. A. Ozel, I. S. Altingovde, O. Ulusoy, G. Ozsoyoglu, Z. M. Ozsoyoglu, Metadata-Based Modeling of Information Resources on the Web, Journal of the American Society for Information Science and Technology (JASIST), vol.55, no.2, 2004. ( pdf copy)
• G. Unel, M. E. Donderler, O. Ulusoy, U. Gudukbay, An Efficient Query Optimization Strategy for Spatio-Temporal Queries in Video Databases, Journal of Systems and Software, vol.73, no.1, 2004. ( pdf copy)
• E. Saykol, U. Gudukbay, O. Ulusoy, Integrated Querying of Images by Color, Shape, and Texture Content of Salient Objects, Advances in Information Systems (ADVIS'04), Lecture Notes in Computer Science (Springer Verlag), vol.3261, 2004. ( pdf copy)
• D. Katsaros, A. Nanopoulos, M. Karakaya, G. Yavas, O. Ulusoy, Y. Manolopoulos, Clustering Mobile Trajectories for Resource Allocation in Mobile Environments', Intelligent Data Analysis Conference (IDA'2003), Lecture Notes in Computer Science (Springer Verlag), vol.2810, 2003. ( pdf copy)
• E. Saykol, M.E. Donderler, C. Alper, O. Ulusoy, U. Gudukbay, BilVideo Video Veri Tabani Yonetim Sistemi (in Turkish), IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'03), June 2003. ( pdf copy)
• O. Ulusoy, I. Yoncaci, K. Y. Lam, Evaluation of a Criticality-Based Method for Generating Location Updates, Workshop on Database Mechanisms for Mobile Applications, Lecture Notes in Informatics, vol.43, April 2003.
• M. E. Donderler, E. Saykol, O. Ulusoy, U. Gudukbay, BilVideo: A Video Database Management System, IEEE Multimedia, Multimedia-At-Work, vol.10, no.1, January/March 2003. ( pdf copy)
• Y. Saygin, O. Ulusoy, Exploiting Data Mining Techniques for Broadcasting Data in Mobile Computing Environments, IEEE Transactions on Knowledge and Data Engineering, vol.14, no.6, November/December 2002. ( pdf copy)
• U. Arslan, M. E. Donderler, E. Saykol, O. Ulusoy, U. Gudukbay, A Semi-Automatic Semantic Annotation Tool for Video Databases, Workshop on Multimedia Semantics (SOFSEM'02), Milovy, The Czech Republic, November 2002. ( pdf copy)
• E. Saykol, G. Gulesir, U. Gudukbay, O. Ulusoy, KiMPA: A Kinematics-Based Method for Polygon Approximation, International Conference on Advances in Information Systems (ADVIS'02), Lecture Notes in Computer Science (Springer-Verlag), vol. 2457, October 2002. ( pdf copy)
• G. Ozsoyoglu, Abdullah Al-Hamdani, I. S. Altingovde, S. A. Ozel, O. Ulusoy, Z. M. Ozsoyoglu, Sideway Value Algebra for Object-Relational Databases, International Conference on Very Large Databases (VLDB'02), Hong Kong, August 2002. ( pdf copy)
• M. E. Donderler, O. Ulusoy, U. Gudukbay, A Rule-based Video Database System Architecture Information Sciences, vol.143, no.1-4, 2002. ( pdf copy)
• E. Saykol, U. Gudukbay, O. Ulusoy, A Semi-Automatic Object Extraction Tool for Querying in Multimedia Databases, Workshop on Multimedia Information Systems (MIS'01), November 2001. ( pdf copy)
• I. S. Altingovde, S. A. Ozel, O. Ulusoy, G. Ozsoyoglu, Z. M. Ozsoyoglu, Topic-Centric Querying of Web Information Resources, Database and Expert Systems Applications (DEXA'01), Lecture Notes in Computer Science (Springer Verlag), vol.2113, September 2001. ( pdf copy)
• M. Karakaya, O. Ulusoy, Evaluation of a Broadcast Scheduling Algorithm, Advances in Databases and Information Systems (ADBIS'01), Lecture Notes in Computer Science (Springer Verlag), vol.2151, September 2001. ( pdf copy)
• Y. Saygin, O. Ulusoy, Automated Construction of Fuzzy Event Sets and its Application to Active Databases, IEEE Transactions on Fuzzy Systems, vol.9, no.3, 2001. ( pdf copy)
• K. Lam, O. Ulusoy, T.S.H. Lee, E. Chan and G. Li, An Efficient Method for Generating Location Updates for Processing of Location-Dependent Continuous Queries, International Conference on Database Systems for Advanced Applications (DASFAA'01), Hong Kong, April 2001. ( pdf copy) 10+ Year Best Paper Award Runner-Up
• Gokmen Gok, O. Ulusoy, Transmission of Continuous Query Results in Mobile Computing Systems, Information Sciences, vol.125, no.1-4, 2000. ( pdf copy)
• O. Ulusoy, Distributed Concurrency Control (invited book chapter) in Real-Time Database Systems: Issues and Design, Kam-yiu Lam and Tei-Wei Kuo (editors), Kluwer Academic Publishers, 2000.
• O. Ulusoy, Data Replication and Availability (invited book chapter) in Real-Time Database Systems: Issues and Design, Kam-yiu Lam and Tei-Wei Kuo (editors), Kluwer Academic Publishers, 2000.
• M. E. Donderler, O. Ulusoy, U. Gudukbay, A Rule-based Approach to Represent Spatio-Temporal Relations in Video Data, International Conference on Advances in Information Systems (ADVIS'2000), Lecture Notes in Computer Science (Springer Verlag), vol.1909, October 2000. ( pdf copy)
• G. Gok, O. Ulusoy, Evaluation of Methods for Transmission of Location-Dependent Continuous Query Results, Asian International Mobile Computing Conference (AMOC'2000), Penang, Malaysia, November 2000.
• Yucel Saygin, O. Ulusoy, A. Elmagarmid, Association Rules for Supporting Hoarding in Mobile Computing Environments, IEEE 10th International Workshop on Research Issues on Data Engineering (RIDE'2000), San Diego, CA, USA, February 2000. ( pdf copy)
• Yucel Saygin, O. Ulusoy, A. Yazici, Dealing with Fuzziness in Active Mobile Database Systems, Information Sciences, vol.120, no.1-4, 1999. ( pdf copy)
• Ersan Kayan, O. Ulusoy, An Evaluation of Real-Time Transaction Management Issues in Mobile Database Systems, The Computer Journal (Special Issue on Mobile Computing), vol.42, no.6, 1999. ( pdf copy)
• Ugur Cetintemel, Jurgen Zimmermann, O. Ulusoy, Alejandro Buchmann, OBJECTIVE: A Benchmark for Object-Oriented Active Database Systems, Journal of Systems and Software, vol.45, no.1, 1999. ( pdf copy)
• Asuman Dogac, Tamer Ozsu and Ozgur Ulusoy (editors), Current Trends in Data Management Technology, Idea Group Publishing, ISBN 1-878289-51-9, 1999.
• Ersan Kayan, O. Ulusoy, Real-Time Transaction Management in Mobile Computing Systems, International Conference on Database Systems for Advanced Applications (DASFAA'99), Hsinchu, Taiwan, April 1999.
• O. Ulusoy, Alejandro Buchmann, A Real-Time Concurrency Control Protocol for Main-Memory Database Systems, Information Systems, vol.23, no.2, 1998. ( pdf copy)
• Yucel Saygin, O. Ulusoy, Sharma Chakravarthy, Concurrent Rule Execution in Active Database Systems, Information Systems, vol.23, no.1, 1998, ( pdf copy )
• O. Ulusoy, Transaction Processing in Distributed Active Real-Time Database Systems, Journal of Systems and Software, vol.42, no.3, 1998.
• Jamel Tayeb, O. Ulusoy, Ouri Wolfson, A Quadtree Based Dynamic Attribute Indexing Method, The Computer Journal, vol.41, no.3, 1998. ( pdf copy)
• O. Ulusoy, Analysis of Concurrency Control Protocols for Real-Time Database Systems, Information Sciences, vol.111, no.1-4, 1998. ( ps copy)
• Asuman Dogac, O. Ulusoy, Guest Editorial: Recent Advances in Database Research, Journal of Database Management, vol.9, no.4, 1998.
• Yucel Saygin, O. Ulusoy, Involving Fuzzy Concepts in Active Mobile Databases, International Conference on Database and Expert Systems Applications (DEXA'98), Lecture Notes in Computer Science (Springer Verlag), vol.1460, August 1998.
• O. Ulusoy, Real-Time Data Management for Mobile Computing, International Workshop on Issues and Applications of Database Technology (IADT'98), Berlin, Germany, July 1998.
• O. Ulusoy, Performance Issues in Processing Active Real-Time Transactions, International Workshop on Active, Real-Time, and Temporal Database Systems (ARTDB-97), Como, Italy, September 1997 (Lecture Notes in Computer Science, Springer Verlag), vol.1553, 1998.
• Aloysius K. Mok, John A. Stankovic, O. Ulusoy, Jorgen Hansson, Kam-yiu Lam, Kwei-Jay Lin Panel Session: Predictability in Active Real-Time/Temporal Databases, International Workshop on Active, Real-Time, and Temporal Database Systems (ARTDB-97), Como, Italy, September 1997 (Lecture Notes in Computer Science, Springer Verlag), vol.1553, 1998.
• T. Devirmis, O. Ulusoy, Design and Evaluation of a New Transaction Execution Model for Multidatabase Systems, Information Sciences, vol.102, no.1-4, August 1997.
• O. Ulusoy, An Evaluation of Network Access Protocols for Distributed Real-Time Database Systems, Journal of Systems and Software, vol.37, no.1, April 1997. ( pdf copy)
• Y. Turkan, O. Ulusoy, An Efficient Memory Management Algorithm for Client-Server Database Management Systems, The Computer Journal, vol.39, no.5, 1996.
• O. Ulusoy, A. Buchmann, Exploiting Main Memory DBMS Features to Improve Real-Time Concurrency Control Protocols, ACM SIGMOD Record, vol.25, no.1, March 1996.
• Patrick E. O'Neil, O. Ulusoy, Guest Editorial: Real-Time Database Systems, Information Systems, vol.21, no.1, 1996.
• Y. Kulabas, O. Ulusoy, Heuristic Algorithms for Inter-Query Scheduling in Database Systems, International Workshop on Advances in Databases and Information Systems (ADBIS'96), September 1996.
• T. Devirmis, O. Ulusoy, A Transaction Model for Multidatabase Systems, EuroPar'96, Lecture Notes in Computer Science (Springer Verlag), vol.1124, August 1996.
• O. Ulusoy, A Network Access Protocol for Hard Real-Time Communication Systems, Computer Communications, vol.18, no.12, December 1995. ( ps copy)
• O. Ulusoy, Research Issues in Real-Time Database Systems: Survey paper, Information Sciences, vol.87, no.1-3, November 1995.( ps copy)
• O. Ulusoy, A Study of Two Transaction Processing Architectures for Distributed Real-Time Database Systems, Journal of Systems and Software, vol.31, no.2, November 1995.
• O. Ulusoy, An Evaluation of Network Access Protocols for Distributed Real-Time Database Systems, International Workshop on Active and Real-Time Database Systems, Skovde, Sweden, June 1995 (Workshops in Computing, Springer-Verlag, 1995).
• O. Ulusoy, G. G. Belford, A Performance Evaluation Model for Distributed Real-Time Database Systems, International Journal of Modelling and Simulation, vol.15, no.2, April 1995.
• O. Ulusoy, Incorporating real-time scheduling methods into database management systems, Journal of Inf. Sci., vol.21, no.4, 1995.
• O. Ulusoy, In search of a fair rating system for publications (Letter to the Editor), Journal of Inf. Sci., vol.21, no.6, 1995.
• O. Ulusoy, Processing Real-Time Transactions in a Replicated Database System, Distributed and Parallel Databases, vol.2, no.4, October 1994. ( pdf copy)
• O. Ulusoy, Applying Database Technology to Real-Time Systems, DEXA'94, Lecture Notes in Computer Science (Springer Verlag), vol.856, September 1994.
• O. Ulusoy, Data Replication versus Timing Constraints in Distributed Database Systems, ACM Computer Science Conference, March 1994, Phonix, Arizona.
• O. Ulusoy, G. G. Belford, Real-Time Transaction Scheduling in Database Systems, Information Systems, vol.18, no.8, December 1993. ( pdf copy)
• O. Ulusoy, Lock-Based Concurrency Control in Distributed Real-Time Database Systems, Journal of Database Management, vol.4, no.2, 1993.
• O. Ulusoy, An Approximate Analysis of a Real-Time Database Concurrency Control Protocol via Markov Modeling, Performance Evaluation Review, vol.20, no.3, March 1993.
• O. Ulusoy, Current Research on Real-Time Databases, ACM Sigmod Record, vol.21, no.4, December 1992.
• O. Ulusoy, G. G. Belford, Real-Time Lock Based Concurrency Control in a Distributed Database System, IEEE International Conference on Distributed Computing Systems, June 1992, Yokohama, Japan.
• O. Ulusoy, G. G. Belford, A Simulation Model for Distributed Real-Time Database Systems, IEEE Annual Simulation Symposium, April 1992, Orlando, Florida.
• O. Ulusoy, G. G. Belford, Concurrency Control in Real-Time Database Systems, ACM Annual Computer Science Conference, March 1992, Kansas City, Missouri.

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