Publications

(2023). Fairness Aware Counterfactuals for Subgroups. NeurIPS 2023 - 37th Conference on Neural Information Processing Systems.

PDF Cite Code Video DOI arXiv URL

(2023). Towards Mobility Data Science (Vision Paper). CoRR.

Cite DOI arXiv URL

(2023). Auditing for Spatial Fairness. Proceedings 26th International Conference on Extending Database Technology, EDBT 2023, Ioannina, Greece, March 28-31, 2023.

PDF Cite Code Slides DOI arXiv URL

(2023). And synopses for all: A synopses data engine for extreme scale analytics-as-a-service. Inf. Syst..

PDF Cite DOI URL

(2023). 3rd International Workshop on Scientific Knowledge Representation, Discovery, and Assessment (Sci-K 2023). Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023.

Cite DOI URL

(2022). TokenJoin: Efficient Filtering for Set Similarity Join with Maximum Weighted Bipartite Matching. Proc. VLDB Endow..

PDF Cite Code DOI

(2022). Sci-K 2022 - International Workshop on Scientific Knowledge: Representation, Discovery, and Assessment. Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022.

Cite DOI URL

(2022). Mobility Data Science (Dagstuhl Seminar 22021). Dagstuhl Reports.

PDF Cite DOI URL

(2022). MAGE: Discovering Mixture-based Areas of Interest over Geolocated Entities. Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022, Edinburgh, UK, March 29 - April 1, 2022.

PDF Cite DOI URL

(2022). Assessing Research Impact by Leveraging Open Scholarly Knowledge Graphs. Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022.

Project Slides Video DOI URL

(2022). Accepted Tutorials at The Web Conference 2022. Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022.

Cite DOI URL

(2022). A human-centered decentralized architecture and recommendation engine in SIoT. User Model. User Adapt. Interact..

PDF Cite DOI URL

(2021). Selecting Services for Multiple Users: Let's Be Democratic. IEEE Transactions on Services Computing (TSC).

PDF Cite DOI URL

(2021). Ranking Papers by their Short-Term Scientific Impact. 37th IEEE International Conference on Data Engineering, ICDE 2021, Chania, Greece, April 19-22, 2021.

PDF Cite Slides Video DOI URL

(2021). New trends in scientific knowledge graphs and research impact assessment. Quant. Sci. Stud..

PDF Cite DOI URL

(2021). Model-Agnostic Counterfactual Explanations of Recommendations. Proceedings of the 29th ACM Conference on User Modeling, Adaptation and Personalization, UMAP 2021, Utrecht, The Netherlands, June, 21-25, 2021.

PDF Cite Code Slides Video DOI URL

(2021). Interactivity, Fairness and Explanations in Recommendations. Adjunct Publication of the 29th ACM Conference on User Modeling, Adaptation and Personalization, UMAP 2021, Utrecht, The Netherlands, June 21-25, 2021.

PDF Cite DOI URL

(2021). Impact-Based Ranking of Scientific Publications: A Survey and Experimental Evaluation. IEEE Trans. Knowl. Data Eng..

PDF Cite DOI URL

(2021). Discovering Mixture-Based Best Regions of Arbitrary Shapes. SIGSPATIAL ‘21: 29th International Conference on Advances in Geographic Information Systems, Virtual Event / Beijing, China, November 2-5, 2021.

PDF Cite DOI URL

(2020). A Recommender System for Investing in Early-Stage Enterprises. ACM/SIGAPP Symposium on Applied Computing (SAC).

PDF Cite DOI

(2020). Ranking Papers by their Short-Term Scientific Impact. Computing Research Repository (CoRR).

PDF Cite arXiv URL

(2020). LocalRec 2020 Workshop Report: The Fourth ACM SIGSPATIAL Workshop on Location-Based Recommendations, Geosocial Networks and Geoadvertising (LocalRec). ACM SIGSPATIAL Special.

Cite DOI URL

(2020). Fairness and Diversity in Social-Based Recommender Systems. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite DOI URL

(2020). Designing a recommender system for board games. ACM/SIGAPP Symposium on Applied Computing (SAC).

PDF Cite DOI URL

(2020). Databases and Information Systems in the AI Era: Contributions from ADBIS, TPDL and EDA 2020 Workshops and Doctoral Consortium. ADBIS, TPDL and EDA 2020 Common Workshops and Doctoral Consortium - International Workshops: DOING, MADEISD, SKG, BBIGAP, SIMPDA, AIMinScience 2020 and Doctoral Consortium, Lyon, France, August 25-27, 2020, Proceedings.

PDF Cite DOI URL

(2020). DANOS: A Human-Centered Decentralized Simulator in SIOT. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite DOI URL

(2020). Building User Trust in Recommendations via Fairness and Explanations. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite Slides Video DOI URL

(2020). A Decentralized Recommendation Engine in the Social Internet of Things. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite DOI URL

(2019). Top-N group recommendations with fairness. ACM/SIGAPP Symposium on Applied Computing (SAC).

PDF Cite DOI URL

(2019). The Role of Activity and Similarity in Rating and Social Behavior in Social Recommender Systems. International Journal on Artificial Intelligence Tools (IJAIT).

PDF Cite DOI URL

(2019). The Impact of Social Connections in Personalization. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite DOI URL

(2019). Proceedings of the 3rd ACM SIGSPATIAL Workshop on Location-Based Recommendations, Geosocial Networks and Geoadvertising (LocalRec). ACM.

Cite URL

(2019). Proceedings of the 16th International Symposium on Spatial and Temporal Databases, SSTD 2019, Vienna, Austria, August 19-21, 2019. ACM.

Cite DOI URL

(2019). Modeling Uncertainty in Group Recommendations. ACM Conference on User Modeling, Adaptation and Personalization (UMAP), Adjunct Publication.

PDF Cite DOI URL

(2019). LocalRec 2019 Workshop Report: The Third ACM SIGSPATIAL Workshop on Location-Based Recommendations, Geosocial Networks and Geoadvertising (LocalRec). ACM SIGSPATIAL Special.

Cite DOI URL

(2019). Diversity and Novelty in Social-Based Collaborative Filtering. ACM Conference on User Modeling, Adaptation and Personalization (UMAP).

PDF Cite DOI URL

(2019). Defining and Measuring Fairness in Location Recommendations. ACM SIGSPATIAL International Workshop on Location-Based Recommendations, Geosocial Networks and Geoadvertising (LocalRec).

PDF Cite DOI URL

(2019). A Common Approach for Consumer and Provider Fairness in Recommendations. ACM Conference on Recommender Systems (RecSys), Late-Breaking Results.

PDF Cite

(2018). Selecting representative and diverse spatio-textual posts over sliding windows. International Conference on Scientific and Statistical Database Management (SSDBM).

PDF Cite DOI URL

(2018). Mining User Behavior in Social Recommender Systems. International Conference on Web Intelligence, Mining and Semantics (WIMS).

PDF Cite DOI URL

(2018). Efficient progressive and diversified top-k best region search. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2017). Snapshot and continuous points-based trajectory search. GeoInformatica.

PDF Cite DOI URL

(2017). Inferring Venue Visits from GPS Trajectories. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2017). Group Recommendations by Learning Rating Behavior. ACM Conference on User Modeling, Adaptation and Personalization (UMAP).

PDF Cite DOI URL

(2017). Finding The Most Preferred Path. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2017). Finding Socio-Textual Associations Among Locations. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2017). Continuous Summarization of Streaming Spatio-Textual Posts. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2017). (μ)TOP: Spatio-Temporal Detection and Summarization of Locally Trending Topics in Microblog Posts. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2016). Keyword-based retrieval of frequent location sets in geotagged photo trails. ACM Conference on Web Science (WebSci).

PDF Cite DOI URL

(2016). Identifying and Describing Streets of Interest. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2016). High Performance Parallel Summed-Area Table Kernels for Multi-core and Many-core Systems. International Conference on Parallel and Distributed Computing (EuroPar).

PDF Cite DOI URL

(2016). Finding desirable objects under group categorical preferences. Knowledge and Information Systems (KAIS).

PDF Cite DOI URL

(2016). Coverage and diversity aware top-k query for spatio-temporal posts. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2015). Spatial Cohesion Queries. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2015). LocalRec'15: Workshop on Location-Aware Recommendations. ACM Conference on Recommender Systems (RecSys).

PDF Cite URL

(2015). Learning the Role and Behavior of Users in Group Decision Making. International Workshop on Decision Making and Recommender Systems.

PDF Cite

(2015). Finding Desirable Objects under Group Categorical Preferences. Computing Research Repository (CoRR).

PDF Cite arXiv URL

(2015). Efficient Point-Based Trajectory Search. International Symposium on Spatial and Temporal Databases (SSTD).

PDF Cite DOI URL

(2014). RIPPLE: A Scalable Framework for Distributed Processing of Rank Queries. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2014). Regionally influential users in location-aware social networks. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2014). Reconciling Multiple Categorical Preferences with Double Pareto-Based Aggregation. International Conference on Database Systems for Advanced Applications (DASFAA).

PDF Cite DOI URL

(2014). MR-microT: a MapReduce-based MicroRNA target prediction method. International Conference on Scientific and Statistical Database Management (SSDBM).

PDF Cite DOI URL

(2014). Efficient Identification of the Highest Diversity Gain Object. International Workshop on Information Search, Integration and Personalization (ISIP).

PDF Cite DOI URL

(2014). Continuous monitoring of nearest trajectories. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2014). A Study on External Memory Scan-Based Skyline Algorithms. International Conference on Database and Expert Systems Applications (DEXA).

PDF Cite DOI URL

(2013). Routing Directions: Keeping it Fast and Simple. ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL).

PDF Cite DOI URL

(2013). Routing Directions: Keeping it Fast and Simple. Computing Research Repository (CoRR).

PDF Cite arXiv URL

(2013). Index-based query processing on distributed multidimensional data. GeoInformatica.

PDF Cite DOI URL

(2012). Majority-Rule-Based Web Service Selection. International Conference on Web Information Systems Engineering (WISE).

PDF Cite DOI URL

(2012). Evaluating Path Queries over Frequently Updated Route Collections. IEEE Transactions on Knowledge and Data Engineering (TKDE).

PDF Cite DOI URL

(2012). Diachronic linked data: towards long-term preservation of structured interrelated information. International Workshop on Open Data (WOD).

PDF Cite DOI URL

(2012). Approximate regional sequence matching for genomic databases. VLDB Journal.

PDF Cite DOI URL

(2011). On enhancing scalability for distributed RDF/S stores. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2011). MIDAS: Multi-attribute Indexing for Distributed Architecture Systems. International Symposium on Spatial and Temporal Databases (SSTD).

PDF Cite DOI URL

(2011). Dynamic Pickup and Delivery with Transfers. International Symposium on Spatial and Temporal Databases (SSTD).

PDF Cite DOI URL

(2010). Ranking and Clustering Web Services Using Multicriteria Dominance Relationships. IEEE Transactions on Services Computing (TSC).

PDF Cite DOI URL

(2010). Probabilistic contextual skylines. IEEE International Conference on Data Engineering (ICDE).

PDF Cite DOI URL

(2010). k-Anonymity in the Presence of External Databases. IEEE Transactions on Knowledge and Data Engineering (TKDE).

PDF Cite DOI URL

(2009). Topologically Sorted Skylines for Partially Ordered Domains. IEEE International Conference on Data Engineering (ICDE).

PDF Cite DOI URL

(2009). Top-emphk dominant web services under multi-criteria matching. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI

(2009). Hierarchically compressed wavelet synopses. VLDB Journal.

PDF Cite DOI URL

(2009). Evaluating Reachability Queries over Path Collections. International Conference on Scientific and Statistical Database Management (SSDBM).

PDF Cite DOI URL

(2008). Serving the Sky: Discovering and Selecting Semantic Web Services through Dynamic Skyline Queries. IEEE International Conference on Semantic Computing (ICSC).

PDF Cite DOI URL

(2008). On-line discovery of hot motion paths. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2008). Efficient Semantic Web Service Discovery in Centralized and P2P Environments. International Semantic Web Conference (ISWC).

PDF Cite DOI URL

(2008). Caching Dynamic Skyline Queries. International Conference on Scientific and Statistical Database Management (SSDBM).

PDF Cite DOI URL

(2007). Exploiting duality in summarization with deterministic guarantees. ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD).

PDF Cite DOI URL

(2007). Continuous Medoid Queries over Moving Objects. International Symposium on Spatial and Temporal Databases (SSTD).

PDF Cite DOI URL

(2006). Fast Approximate Wavelet Tracking on Streams. International Conference on Extending Database Technology (EDBT).

PDF Cite DOI URL

(2006). Constructing Optimal Wavelet Synopses. International Conference on Extending Database Technology (EDBT) Workshops.

PDF Cite DOI URL

(2006). A Study on Workload-Aware Wavelet Synopses for Point and Range-Sum Queries. ACM International Workshop on Data Warehousing and OLAP (DOLAP).

PDF Cite DOI URL

(2005). SHIFT-SPLIT: I/O Efficient Maintenance of Wavelet-Transformed Multidimensional Data. ACM SIGMOD International Conference on Management of Data (SIGMOD).

PDF Cite DOI URL

(2005). Hybrid Query and Data Ordering for Fast and Progressive Range-Aggregate Query Answering. International Journal of Data Warehousing and Mining (IJDWM).

PDF Cite DOI