2025
Raster interval object approximations for spatial intersection joins.
VLDB J., January, 2025
2024
Two-Layer Space-Oriented Partitioning for Non-Point Data.
IEEE Trans. Knowl. Data Eng., March, 2024
LIT: Lightning-fast In-memory Temporal Indexing.
Proc. ACM Manag. Data, February, 2024
HINT: a hierarchical interval index for Allen relationships.
VLDB J., January, 2024
Three-dimensional Geospatial Interlinking with JedAI-spatial.
J. Web Semant., 2024
Similarity Search based on Geo-footprints.
Proceedings of the Proceedings 27th International Conference on Extending Database Technology, 2024
HINT on Steroids: Batch Query Processing for Interval Data.
Proceedings of the Proceedings 27th International Conference on Extending Database Technology, 2024
2023
Adaptive Indexing of Objects with Spatial Extent.
Proc. VLDB Endow., 2023
Doquet: Differentially Oblivious Range and Join Queries with Private Data Structures.
Proc. VLDB Endow., 2023
Adaptive Indexing in High-Dimensional Metric Spaces.
Proc. VLDB Endow., 2023
Raster Intervals: An Approximation Technique for Polygon Intersection Joins.
Proc. ACM Manag. Data, 2023
A Summary of ICDE 2022 Research Session Panels.
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IEEE Data Eng. Bull., 2023
Spatio-temporal flow patterns.
CoRR, 2023
APRIL: Approximating Polygons as Raster Interval Lists.
CoRR, 2023
SmartCityBus - A Platform for Smart Transportation Systems.
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, 2023
Supervised Scheduling for Geospatial Interlinking.
Proceedings of the 31st ACM International Conference on Advances in Geographic Information Systems, 2023
Efficient Nearest Neighbor Queries on Non-point Data.
Proceedings of the 31st ACM International Conference on Advances in Geographic Information Systems, 2023
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs.
Proceedings of the Proceedings 26th International Conference on Extending Database Technology, 2023
Proceedings of the 4th ACM Europe Summer School on Science: Towards building the Data Science Stack, 2023
Spatial and multi-dimensional indexing and data analytics.
Proceedings of the 4th ACM Europe Summer School on Science: Towards building the Data Science Stack, 2023
2022
Static and Dynamic Progressive Geospatial Interlinking.
ACM Trans. Spatial Algorithms Syst., June, 2022
Fast and Secure Distributed Nonnegative Matrix Factorization.
IEEE Trans. Knowl. Data Eng., 2022
Technical Perspective: Bipartite Matching: What to do in the Real World When Computing Assignment Costs Dominates Finding the Optimal Assignment.
SIGMOD Rec., 2022
HINT: A Hierarchical Index for Intervals in Main Memory.
Proceedings of the SIGMOD '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12, 2022
Strabo 2: Distributed Management of Massive Geospatial RDF Datasets.
Proceedings of the Semantic Web - ISWC 2022, 2022
Provenance in Temporal Interaction Networks.
Proceedings of the 38th IEEE International Conference on Data Engineering, 2022
2021
Guest editorial: WWWJ special issue of the 20th international conference on Web information systems engineering (WISE 2019).
World Wide Web, 2021
In-Memory Interval Joins.
VLDB J., 2021
Discovering closed and maximal embedded patterns from large tree data.
Data Knowl. Eng., 2021
Proceedings of the WWW '21: The Web Conference 2021, 2021
Progressive, Holistic Geospatial Interlinking.
Proceedings of the WWW '21: The Web Conference 2021, 2021
Proportionality in Spatial Keyword Search.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021
A Two-layer Partitioning for Non-point Spatial Data.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021
Leveraging Meta-path Contexts for Classification in Heterogeneous Information Networks.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021
Flow Computation in Temporal Interaction Networks.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021
2020
Top-k relevant semantic place retrieval on spatiotemporal RDF data.
VLDB J., 2020
Diversified spatial keyword search on RDF data.
VLDB J., 2020
A Crowdsourcing Framework for Collecting Tabular Data.
IEEE Trans. Knowl. Data Eng., 2020
Translation-Based Sequential Recommendation for Complex Users on Sparse Data.
IEEE Trans. Knowl. Data Eng., 2020
Recommending Geo-semantically Related Classes for Link Discovery.
J. Data Semant., 2020
Top-k spatial distance joins.
GeoInformatica, 2020
Fairness-Aware Link Analysis.
CoRR, 2020
A Two-level Spatial In-Memory Index.
CoRR, 2020
Top-k String Similarity Joins.
Proceedings of the SSDBM 2020: 32nd International Conference on Scientific and Statistical Database Management, 2020
An End-to-End Deep RL Framework for Task Arrangement in Crowdsourcing Platforms.
Proceedings of the 36th IEEE International Conference on Data Engineering, 2020
Band Joins for Interval Data.
Proceedings of the 23rd International Conference on Extending Database Technology, 2020
A General Early-Stopping Module for Crowdsourced Ranking.
Proceedings of the Database Systems for Advanced Applications, 2020
A Toolkit for Managing Multiple Crowdsourced Top-K Queries.
Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020
2019
Proceedings of the Encyclopedia of Big Data Technologies., 2019
SRX: efficient management of spatial RDF data.
VLDB J., 2019
Evaluating pattern matching queries for spatial databases.
VLDB J., 2019
Spatial joins: what's next?
ACM SIGSPATIAL Special, 2019
HHMF: hidden hierarchical matrix factorization for recommender systems.
Data Min. Knowl. Discov., 2019
Parallel In-Memory Evaluation of Spatial Joins.
Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019
Flow Motifs in Interaction Networks.
Proceedings of the Advances in Database Technology, 2019
2018
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018
Spatiotemporal Data Mining.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018
Activity Recommendation with Partners.
ACM Trans. Web, 2018
Density-Based Place Clustering Using Geo-Social Network Data.
IEEE Trans. Knowl. Data Eng., 2018
Entity-Based Query Recommendation for Long-Tail Queries.
ACM Trans. Knowl. Discov. Data, 2018
Recommending packages with validity constraints to groups of users.
Knowl. Inf. Syst., 2018
Investment recommendation by discovering high-quality opinions in investor based social networks.
Inf. Syst., 2018
Location-aware query reformulation for search engines.
GeoInformatica, 2018
Thematic ranking of object summaries for keyword search.
Data Knowl. Eng., 2018
DSANLS: Accelerating Distributed Nonnegative Matrix Factorization via Sketching.
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, 2018
T-Crowd: Effective Crowdsourcing for Tabular Data.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018
SpaceKey: Exploring Patterns in Spatial Databases.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018
On Spatial Pattern Matching.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018
Interval Count Semi-Joins.
Proceedings of the 21st International Conference on Extending Database Technology, 2018
2017
Proceedings of the Encyclopedia of GIS., 2017
Nearest Neighbor Queries in Network Databases.
Proceedings of the Encyclopedia of GIS., 2017
Top-k OLAP Queries Using Augmented Spatial Access Methods.
Proceedings of the Encyclopedia of GIS., 2017
Variations of Nearest Neighbor Queries in Euclidean Space.
Proceedings of the Encyclopedia of GIS., 2017
Co-location Patterns, Algorithms.
Proceedings of the Encyclopedia of GIS., 2017
Proceedings of the Encyclopedia of GIS., 2017
Local Suppression and Splitting Techniques for Privacy Preserving Publication of Trajectories.
IEEE Trans. Knowl. Data Eng., 2017
A Forward Scan based Plane Sweep Algorithm for Parallel Interval Joins.
Proc. VLDB Endow., 2017
More focus on what you care about: Personalized top reviews set.
Neurocomputing, 2017
Snapshot and continuous points-based trajectory search.
GeoInformatica, 2017
Personalized location recommendation by aggregating multiple recommenders in diversity.
GeoInformatica, 2017
Heterogeneous Information Network Embedding for Meta Path based Proximity.
CoRR, 2017
Fairness in Package-to-Group Recommendations.
Proceedings of the 26th International Conference on World Wide Web, 2017
P-LAG: Location-Aware Group Recommendation for Passive Users.
Proceedings of the Advances in Spatial and Temporal Databases, 2017
Location-Aware Query Recommendation for Search Engines at Scale.
Proceedings of the Advances in Spatial and Temporal Databases, 2017
FEXIPRO: Fast and Exact Inner Product Retrieval in Recommender Systems.
Proceedings of the 2017 ACM International Conference on Management of Data, 2017
HBGG: a Hierarchical Bayesian Geographical Model for Group Recommendation.
Proceedings of the 2017 SIAM International Conference on Data Mining, 2017
Extended Characteristic Sets: Graph Indexing for SPARQL Query Optimization.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017
Reverse k-Ranks Queries on Large Graphs.
Proceedings of the 20th International Conference on Extending Database Technology, 2017
Parallel and Distributed Processing of Spatial Preference Queries using Keywords.
Proceedings of the 20th International Conference on Extending Database Technology, 2017
Efficient Fault-Tolerant Group Recommendation Using alpha-beta-core.
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017
2016
Diverse and proportional size-l object summaries using pairwise relevance.
VLDB J., 2016
Accelerating SPARQL queries by exploiting hash-based locality and adaptive partitioning.
VLDB J., 2016
Textually Relevant Spatial Skylines.
IEEE Trans. Knowl. Data Eng., 2016
Location Aware Keyword Query Suggestion Based on Document Proximity.
IEEE Trans. Knowl. Data Eng., 2016
Set containment join revisited.
Knowl. Inf. Syst., 2016
Top-k Relevant Semantic Place Retrieval on Spatial RDF Data.
Proceedings of the 2016 International Conference on Management of Data, 2016
Investment Recommendation using Investor Opinions in Social Media.
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, 2016
Meta Structure: Computing Relevance in Large Heterogeneous Information Networks.
Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2016
Sentiment-Based Topic Suggestion for Micro-Reviews.
Proceedings of the Tenth International Conference on Web and Social Media, 2016
Recommending Packages to Groups.
Proceedings of the IEEE 16th International Conference on Data Mining, 2016
2015
Joint Search by Social and Spatial Proximity.
IEEE Trans. Knowl. Data Eng., 2015
Efficient Notification of Meeting Points for Moving Groups via Independent Safe Regions.
IEEE Trans. Knowl. Data Eng., 2015
Maximizing a Record's Standing in a Relation.
IEEE Trans. Knowl. Data Eng., 2015
Scaling Similarity Joins over Tree-Structured Data.
Proc. VLDB Endow., 2015
A Topic-based Reviewer Assignment System.
Proc. VLDB Endow., 2015
Evaluating SPARQL Queries on Massive RDF Datasets.
Proc. VLDB Endow., 2015
SPARTex: A Vertex-Centric Framework for RDF Data Analytics.
Proc. VLDB Endow., 2015
Dominance relationship analysis with budget constraints.
Knowl. Inf. Syst., 2015
Clustering in Geo-Social Networks.
IEEE Data Eng. Bull., 2015
Adaptive Partitioning for Very Large RDF Data.
CoRR, 2015
Efficient Point-Based Trajectory Search.
Proceedings of the Advances in Spatial and Temporal Databases, 2015
Geo-Social Co-location Mining.
Proceedings of the Second International ACM Workshop on Managing and Mining Enriched Geo-Spatial Data, 2015
Weighted Coverage based Reviewer Assignment.
Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31, 2015
Diverse and Proportional Size-l Object Summaries for Keyword Search.
Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31, 2015
Overlapping Community Regularization for Rating Prediction in Social Recommender Systems.
Proceedings of the 9th ACM Conference on Recommender Systems, 2015
Activity-Partner Recommendation.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015
Real-time Detection and Sorting of News on Microblogging Platforms.
Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation, 2015
Time-Sensitive Opinion Mining for Prediction.
Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015
Improving Microblog Retrieval from Exterior Corpus by Automatically Constructing Microblogging Corpus.
Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015
2014
Durable Queries over Historical Time Series.
IEEE Trans. Knowl. Data Eng., 2014
Versatile Size-$l$ Object Summariesfor Relational Keyword Search.
IEEE Trans. Knowl. Data Eng., 2014
Reverse Top-k Search using Random Walk with Restart.
Proc. VLDB Endow., 2014
An Effective Encoding Scheme for Spatial RDF Data.
Proc. VLDB Endow., 2014
Density-based place clustering in geo-social networks.
Proceedings of the International Conference on Management of Data, 2014
A collective topic model for milestone paper discovery.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014
A revisit to social network-based recommender systems.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014
Representative clustering of uncertain data.
Proceedings of the 20th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2014
Managing uncertainty in spatial and spatio-temporal data.
Proceedings of the IEEE 30th International Conference on Data Engineering, Chicago, 2014
Reverse-Nearest Neighbor Queries on Uncertain Moving Object Trajectories.
Proceedings of the Database Systems for Advanced Applications, 2014
Geo-Social Skyline Queries.
Proceedings of the Database Systems for Advanced Applications, 2014
2013
Efficient Time-Stamped Event Sequence Anonymization.
ACM Trans. Web, 2013
Optimal Route Queries with Arbitrary Order Constraints.
IEEE Trans. Knowl. Data Eng., 2013
Efficient All Top-$(k)$ Computation - A Unified Solution for All Top-$(k)$, Reverse Top-$(k)$ and Top-$(m)$ Influential Queries.
IEEE Trans. Knowl. Data Eng., 2013
Lightweight Privacy-Preserving Peer-to-Peer Data Integration.
Proc. VLDB Endow., 2013
Earth Mover's Distance based Similarity Search at Scale.
Proc. VLDB Endow., 2013
Probabilistic Nearest Neighbor Queries on Uncertain Moving Object Trajectories.
Proc. VLDB Endow., 2013
A novel distributed framework for optimizing query routing trees in wireless sensor networks via optimal operator placement.
J. Comput. Syst. Sci., 2013
Spatial inverse query processing.
GeoInformatica, 2013
Efficient Top-k Spatial Distance Joins.
Proceedings of the Advances in Spatial and Temporal Databases, 2013
Similarity Search on Uncertain Spatio-temporal Data.
Proceedings of the Similarity Search and Applications - 6th International Conference, 2013
Voronoi-based nearest neighbor search for multi-dimensional uncertain databases.
Proceedings of the 29th IEEE International Conference on Data Engineering, 2013
Efficient notification of meeting points for moving groups via independent safe regions.
Proceedings of the 29th IEEE International Conference on Data Engineering, 2013
Location recommendation in location-based social networks using user check-in data.
Proceedings of the 21st SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2013
2012
Privacy Preservation by Disassociation.
Proc. VLDB Endow., 2012
Spatio-textual similarity joins.
Proc. VLDB Endow., 2012
Querying Uncertain Spatio-Temporal Data.
Proceedings of the IEEE 28th International Conference on Data Engineering (ICDE 2012), 2012
Indexing uncertain spatio-temporal data.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012
2011
Synthesis Lectures on Data Management, Morgan & Claypool Publishers, ISBN: 978-3-031-01884-8, 2011
Local and global recoding methods for anonymizing set-valued data.
VLDB J., 2011
Special issue on data management for mobile services.
VLDB J., 2011
Ranking Spatial Data by Quality Preferences.
IEEE Trans. Knowl. Data Eng., 2011
Size-l Object Summaries for Relational Keyword Search.
Proc. VLDB Endow., 2011
Acceleration of Composite Order Bilinear Pairing on Graphics Hardware.
IACR Cryptol. ePrint Arch., 2011
Special section on spatial and temporal databases.
GeoInformatica, 2011
Continuous Inverse Ranking Queries in Uncertain Streams.
Proceedings of the Scientific and Statistical Database Management, 2011
Inverse Queries for Multidimensional Spaces.
Proceedings of the Advances in Spatial and Temporal Databases, 2011
A novel probabilistic pruning approach to speed up similarity queries in uncertain databases.
Proceedings of the 27th International Conference on Data Engineering, 2011
Managing uncertain spatio-temporal data.
Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Querying and Mining Uncertain Spatio-Temporal Data, 2011
Efficient answering of set containment queries for skewed item distributions.
Proceedings of the EDBT 2011, 2011
2010
Continuous spatial assignment of moving users.
VLDB J., 2010
Optimal matching between spatial datasets under capacity constraints.
ACM Trans. Database Syst., 2010
Scalable Probabilistic Similarity Ranking in Uncertain Databases.
IEEE Trans. Knowl. Data Eng., 2010
Efficient Skyline Evaluation over Partially Ordered Domains.
Proc. VLDB Endow., 2010
Interesting-Phrase Mining for Ad-Hoc Text Analytics.
Proc. VLDB Endow., 2010
Non-homogeneous generalization in privacy preserving data publishing.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010
Durable top-k search in document archives.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010
Oblivious Transfer with Access Control : Realizing Disjunction without Duplication.
Proceedings of the Pairing-Based Cryptography - Pairing 2010, 2010
A Distributed Technique for Dynamic Operator Placement in Wireless Sensor Networks.
Proceedings of the Eleventh International Conference on Mobile Data Management, 2010
2009
Proceedings of the Encyclopedia of Database Systems, 2009
Spatio-Temporal Data Mining.
Proceedings of the Encyclopedia of Database Systems, 2009
Proceedings of the Encyclopedia of Database Systems, 2009
Multi-dimensional top-<i>k</i> dominating queries.
VLDB J., 2009
A framework for efficient data anonymization under privacy and accuracy constraints.
ACM Trans. Database Syst., 2009
Efficient Evaluation of Probabilistic Advanced Spatial Queries on Existentially Uncertain Data.
IEEE Trans. Knowl. Data Eng., 2009
An Audit Environment for Outsourcing of Frequent Itemset Mining.
Proc. VLDB Endow., 2009
A Fair Assignment Algorithm for Multiple Preference Queries.
Proc. VLDB Endow., 2009
Anonymous Fuzzy Identity-based Encryption for Similarity Search.
IACR Cryptol. ePrint Arch., 2009
Retrieval of Spatial Join Pattern Instances from Sensor Networks.
GeoInformatica, 2009
Scalable Probabilistic Similarity Ranking in Uncertain Databases (Technical Report)
CoRR, 2009
Scalable skyline computation using object-based space partitioning.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009
Secure kNN computation on encrypted databases.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009
Thresholded Range Aggregation in Sensor Networks.
Proceedings of the MDM 2009, 2009
Operator Placement for Snapshot Multi-predicate Queries in Wireless Sensor Networks.
Proceedings of the MDM 2009, 2009
Efficient Evaluation of Multiple Preference Queries.
Proceedings of the 25th International Conference on Data Engineering, 2009
XML Data Integration Using Fragment Join.
Proceedings of the Database Systems for Advanced Applications, 2009
2008
Proceedings of the Encyclopedia of GIS., 2008
Nearest Neighbor Queries in Network Databases.
Proceedings of the Encyclopedia of GIS., 2008
Top-k OLAP Queries Using Augmented Spatial Access Methods.
Proceedings of the Encyclopedia of GIS., 2008
Co-location Patterns, Algorithms.
Proceedings of the Encyclopedia of GIS., 2008
Proceedings of the Encyclopedia of GIS., 2008
The <i>B</i><sup><i>dual</i></sup>-Tree: indexing moving objects by space filling curves in the dual space.
VLDB J., 2008
Hierarchical synopses with optimal error guarantees.
ACM Trans. Database Syst., 2008
Computation and Monitoring of Exclusive Closest Pairs.
IEEE Trans. Knowl. Data Eng., 2008
Privacy-preserving anonymization of set-valued data.
Proc. VLDB Endow., 2008
Extracting k most important groups from data efficiently.
Data Knowl. Eng., 2008
Capacity constrained assignment in spatial databases.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2008
Privacy Preservation in the Publication of Trajectories.
Proceedings of the 9th International Conference on Mobile Data Management (MDM 2008), 2008
Common Influence Join: A Natural Join Operation for Spatial Pointsets.
Proceedings of the 24th International Conference on Data Engineering, 2008
Lattice Histograms: a Resilient Synopsis Structure.
Proceedings of the 24th International Conference on Data Engineering, 2008
Ring-constrained join: deriving fair middleman locations from pointsets via a geometric constraint.
Proceedings of the EDBT 2008, 2008
2007
Efficient top-<i>k</i> aggregation of ranked inputs.
ACM Trans. Database Syst., 2007
Reverse Nearest Neighbors Search in Ad Hoc Subspaces.
IEEE Trans. Knowl. Data Eng., 2007
Discovery of Periodic Patterns in Spatiotemporal Sequences.
IEEE Trans. Knowl. Data Eng., 2007
Efficient Processing of Top-k Dominating Queries on Multi-Dimensional Data.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007
Security in Outsourcing of Association Rule Mining.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007
Fast Data Anonymization with Low Information Loss.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007
Continuous Monitoring of Exclusive Closest Pairs.
Proceedings of the Advances in Spatial and Temporal Databases, 2007
Continuous Constraint Query Evaluation for Spatiotemporal Streams.
Proceedings of the Advances in Spatial and Temporal Databases, 2007
Exploiting duality in summarization with deterministic guarantees.
Proceedings of the 13th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2007
Top-k Spatial Preference Queries.
Proceedings of the 23rd International Conference on Data Engineering, 2007
The Haar+ Tree: A Refined Synopsis Data Structure.
Proceedings of the 23rd International Conference on Data Engineering, 2007
2006
Reverse Nearest Neighbors in Large Graphs.
IEEE Trans. Knowl. Data Eng., 2006
Reverse Nearest Neighbor Search in Metric Spaces.
IEEE Trans. Knowl. Data Eng., 2006
Continuous Nearest Neighbor Monitoring in Road Networks.
Proceedings of the 32nd International Conference on Very Large Data Bases, 2006
Detecting the Direction of Motion in a Binary Sensor Network.
Proceedings of the IEEE International Conference on Sensor Networks, 2006
Ad-hoc distributed spatial joins on mobile devices.
Proceedings of the 20th International Parallel and Distributed Processing Symposium (IPDPS 2006), 2006
Discovery of Collocation Episodes in Spatiotemporal Data.
Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006
Efficient Aggregation of Ranked Inputs.
Proceedings of the 22nd International Conference on Data Engineering, 2006
Efficient Quantile Retrieval on Multi-dimensional Data.
Proceedings of the Advances in Database Technology, 2006
2005
Aggregate Nearest Neighbor Queries in Road Networks.
IEEE Trans. Knowl. Data Eng., 2005
Iterative Projected Clustering by Subspace Mining.
IEEE Trans. Knowl. Data Eng., 2005
Indexing Useful Structural Patterns for XML Query Processing.
IEEE Trans. Knowl. Data Eng., 2005
Fast and Exact Warping of Time Series Using Adaptive Segmental Approximations.
Mach. Learn., 2005
One-Pass Wavelet Synopses for Maximum-Error Metrics.
Proceedings of the 31st International Conference on Very Large Data Bases, Trondheim, Norway, August 30, 2005
Evaluation of Top-k OLAP Queries Using Aggregate R-Trees.
Proceedings of the Advances in Spatial and Temporal Databases, 9th International Symposium, 2005
On Discovering Moving Clusters in Spatio-temporal Data.
Proceedings of the Advances in Spatial and Temporal Databases, 9th International Symposium, 2005
Probabilistic Spatial Queries on Existentially Uncertain Data.
Proceedings of the Advances in Spatial and Temporal Databases, 9th International Symposium, 2005
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2005
Mining Frequent Spatio-Temporal Sequential Patterns.
Proceedings of the 5th IEEE International Conference on Data Mining (ICDM 2005), 2005
Spatial Joins: Algorithms, Cost Models and Optimization Techniques.
Proceedings of the Spatial Databases: Technologies, Techniques and Trends, 2005
2004
An Efficient Cost Model for Optimization of Nearest Neighbor Search in Low and Medium Dimensional Spaces.
IEEE Trans. Knowl. Data Eng., 2004
An Efficient and Scalable Algorithm for Clustering XML Documents by Structure.
IEEE Trans. Knowl. Data Eng., 2004
Complex Spatial Query Processing.
GeoInformatica, 2004
Discovering Minimal Infrequent Structures from XML Documents.
Proceedings of the Web Information Systems, 2004
All-Nearest-Neighbors Queries in Spatial Databases.
Proceedings of the 16th International Conference on Scientific and Statistical Database Management (SSDBM 2004), 2004
Clustering Objects on a Spatial Network.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2004
Discovering Partial Periodic Patterns in Discrete Data Sequences.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2004
Fast mining of spatial collocations.
Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2004
Mining, indexing, and querying historical spatiotemporal data.
Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2004
Non-contiguous Sequence Pattern Queries.
Proceedings of the Advances in Database Technology, 2004
Processing Ad-Hoc Joins on Mobile Devices.
Proceedings of the Database and Expert Systems Applications, 15th International Conference, 2004
Algorithms for Quantified Constraint Satisfaction Problems.
Proceedings of the Principles and Practice of Constraint Programming, 2004
Constraint Satisfaction in Semi-structured Data Graphs.
Proceedings of the Principles and Practice of Constraint Programming, 2004
2003
IEEE Trans. Knowl. Data Eng., 2003
A Filter Index for Complex Queries on Semi-structured Data.
Proceedings of the Advances in Web-Age Information Management, 2003
Query Processing in Spatial Network Databases.
Proceedings of 29th International Conference on Very Large Data Bases, 2003
Validity Information Retrieval for Spatio-Temporal Queries: Theoretical Performance Bounds.
Proceedings of the Advances in Spatial and Temporal Databases, 8th International Symposium, 2003
Evaluation of Iceberg Distance Joins.
Proceedings of the Advances in Spatial and Temporal Databases, 8th International Symposium, 2003
Optimization of Spatial Joins on Mobile Devices.
Proceedings of the Advances in Spatial and Temporal Databases, 8th International Symposium, 2003
Efficient Processing of Joins on Set-valued Attributes.
Proceedings of the 2003 ACM SIGMOD International Conference on Management of Data, 2003
Frequent-Pattern based Iterative Projected Clustering.
Proceedings of the 3rd IEEE International Conference on Data Mining (ICDM 2003), 2003
Similarity Search in Sets and Categorical Data Using the Signature Tree.
Proceedings of the 19th International Conference on Data Engineering, 2003
2002
View selection using randomized search.
Data Knowl. Eng., 2002
Indexing and Retrieval of Historical Aggregate Information about Moving Objects.
IEEE Data Eng. Bull., 2002
Efficient k-NN search on vertically decomposed data.
Proceedings of the 2002 ACM SIGMOD International Conference on Management of Data, 2002
2001
Approximate spatio-temporal retrieval.
ACM Trans. Inf. Syst., 2001
ACM Trans. Database Syst., 2001
Constraint-Based Processing of Multiway Spatial Joins.
Algorithmica, 2001
Selectivity Estimation of Complex Spatial Queries.
Proceedings of the Advances in Spatial and Temporal Databases, 7th International Symposium, 2001
Solving Non-binary CSPs Using the Hidden Variable Encoding.
Proceedings of the Principles and Practice of Constraint Programming, 2001
1999
Integration of Spatial Join Algorithms for Processing Multiple Inputs.
Proceedings of the SIGMOD 1999, 1999
Content-Based Retrieval Using Heuristic Search.
Proceedings of the SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1999
Processing and Optimization of Multiway Spatial Joins Using R-Trees.
Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31, 1999
Improving Search Using Indexing: A Study with Temporal CSPs.
Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, 1999
Hierarchical Constraint Satisfaction in Spatial Databases.
Proceedings of the Sixteenth National Conference on Artificial Intelligence and Eleventh Conference on Innovative Applications of Artificial Intelligence, 1999
1998
Algorithms for Querying by Spatial Structure.
Proceedings of the VLDB'98, 1998
Assessing Multimedia Similarity: A Framework for Structure and Motion.
Proceedings of the 6th ACM International Conference on Multimedia '98, 1998
Constraint-Based Algorithms for Computing Clique Intersection Joins.
Proceedings of the ACM-GIS '98, 1998
Image Similarity Retrieval by Spatial Constraints.
Proceedings of the 1998 ACM CIKM International Conference on Information and Knowledge Management, 1998
1996
Conceptual Title Abstractions: Modeling and Querying Very Large Interactive Multimedia Repositories.
Proceedings of the 1996 MultiMedia Modeling: Towards The Information Society Superhighway, 1996