Publications

In publications, the author(s) marked with ‘#’ are/were my students, and the author(s) marked with ‘*’ represent the corresponding author(s).

Book/Monograph & Survey

1. Yunjun Gao* and Xiaoye Miao^#.

   Query Processing over Incomplete Databases. [Book]

   To appear in Synthesis Lectures on Data Management, Morgan & Claypool Publishers, 2018.

2. Gang Chen, Dawei Jiang, and Yunjun Gao.

   Big Data Management Systems. [Book]

   To appear in Chemical Industry Press, 2018. (in Chinese)

3. Yunjun Gao* and Lu Chen^#.

   Data Management in Metric Spaces. [Book]

   China Machine Press, ISBN 978-7-111-59301-0, pp. 1-224, 2018. (in Chinese, 148,000 words, Big Data Management Series, Editor: Jie She)

4. Yunjun Gao* and Qing Liu^#.

   Preference Query Analysis and Optimization. [Book]

   Springer Briefs in Computer Science, Springer, ISBN 978-981-10-6634-4, pp. 1-110, 2017.

5. Xiaoye Miao^#, Yunjun Gao*, Su Guo^#, and Wanqi Liu^#.

   Incomplete Data Management: A Survey. [Paper]

   Frontiers of Computer Science (FCS), 12(1): 4-25, 2018. (Invited Paper)

International Journal and Conference

2018 and To Appear

1. Xiaoye Miao^#, Yunjun Gao*, Linlin Zhou^#, Wei Wang, and Qing Li.

   Optimizing Quality for Probabilistic Skyline Computation and Probabilistic Similarity Search. [Paper]

   To appear in IEEE Transactions on Knowledge and Data Engineering (TKDE), DOI: 10.1109/TKDE.2018.2805824, 2018.

2. Xiaoye Miao^#, Yunjun Gao*, Su Guo^#, and Gang Chen.

   On Efficiently Answering Why-not Range-Based Skyline Queries in Road Networks. [Paper]

   To appear in IEEE Transactions on Knowledge and Data Engineering (TKDE), DOI: 10.1109/TKDE.2018.2803821, 2018.

3. Shaojie Qiao, Nan Han, Yunjun Gao*, Rong-Hua Li, Jun Guo, Louis Alberto Gutierrez, and Xingdong Wu.

   A Fast Parallel Community Discovery Model on Complex Networks Through Approximate Optimization. [Paper]

   To appear in IEEE Transactions on Knowledge and Data Engineering (TKDE), DOI: 10.1109/TKDE.2018.2803818, 2018.

4. Jingwen Zhao^#, Yunjun Gao*, Gang Chen, and Rui Chen^#.

   Towards Efficient Framework for Time-aware Spatial Keyword Queries on Road Networks. [Paper]

   ACM Transactions on Information Systems (TOIS), 36(3): 24:1-24:48, 2018.

5. Pengfei Zhang^#, Huaizhong Lin, Yunjun Gao, and Dongming Lu.

   Aggregate Keyword Nearest Neighbor Queries on Road Networks. [Paper]

   GeoInformatica, 22(2): 237-268, 2018.

6. Huaizhong Lin, Shanshan Wu, Leong Hou U, Ngai Meng Kou, Yunjun Gao, and Dongming Lu.

   Finding the Hottest Item in Data Streams. [Paper]

   Information Sciences, 430: 314-330, 2018.

7. Lu Chen^#, Yunjun Gao*, Zixian Liu^#, Xiaokui Xiao, Christian S. Jensen, and Yifan Zhu^#.

   PTRider: A Price-and-Time-Aware Ridesharing System. [Paper]

   Proceedings of the VLDB Endowment (PVLDB), 11(12): 1938-1941, 2018. (Demo)

8. Xin Ding^#, Lu Chen^#, Yunjun Gao*, Christian S. Jensen, and Hujun Bao.

   UlTraMan: A Unified Platform for Big Trajectory Data Management and Analytics. [Paper]

   Proceedings of the VLDB Endowment (PVLDB), 11(7): 787-799, 2018.

9. Lu Chen^#, Yunjun Gao*, Yuanliang Zhang^#, Sibo Wang, Xiaokui Xiao, and Baihua Zheng.

   Scalable Hypergraph-based Image Retrieval and Tagging System. [Paper]

   Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE), pp. 257-268, 2018.

10. Jingwen Zhao^#, Yunjun Gao*, Gang Chen, and Rui Chen^#.

    Why-not Questions on Top-k Geo-Social Keyword Queries in Road Networks. [Paper]

    Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE), pp. 965-976, 2018.

11. Lu Chen^#, Qilu Zhong^#, Xiaokui Xiao, Yunjun Gao*, Pengfei Jin^#, and Christian S. Jensen.

    Price-and-Time-Aware Dynamic Ridesharing. [Paper]

    Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE), pp. 1061-1072, 2018.

12. Gang Chen, Jingwen Zhao^#, Yunjun Gao*, Lei Chen, and Rui Chen^#.

    Time-Aware Boolean Spatial Keyword Queries. [Paper]

    Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE), pp. 1781-1782, 2018. (TKDE Poster)

13. Gang Chen, Keyu Yang^#, Lu Chen^#, Yunjun Gao*, Baihua Zheng, and Chun Chen.

    Metric Similarity Joins Using MapReduce. [Paper]

    Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE), pp. 1787-1788, 2018. (TKDE Poster)

14. Xin Ding^#, Yuanliang Zhang^#, Lu Chen^#, Yunjun Gao*, and Baihua Zheng.

    Distributed k-Nearest Neighbor Queries in Metric Spaces. [Paper]

    Proceedings of the Second International Joint Conference on Web and Big Data (APWeb-WAIM) (APWeb-WAIM), pp. 236-252, 2018. (Best Paper Award)

15. Xin Ding^#, Yuanliang Zhang^#, Lu Chen^#, Keyu Yang^#, and Yunjun Gao*.

    Aggregate k Nearest Neighbor Queries in Metric Spaces. [Paper]

    Proceedings of the Second International Joint Conference on Web and Big Data (APWeb-WAIM) (APWeb-WAIM), pp. 317-333, 2018.

16. Xin Ding^#, Rui Chen^#, Lu Chen^#, Yunjun Gao*, and Christian S. Jensen.

    VIPTRA: Visualization and Interactive Processing on Big Trajectory Data. [Paper]

    Proceedings of the 19th IEEE International Conference on Mobile Data Management (MDM), pp. 290-291, 2018. (Demo)

2017

1. Yunjun Gao*, Xiaoye Miao^#, Gang Chen, Baihua Zheng, Deng Cai, and Huiyong Cui^#.

   On Efficiently Finding Reverse k Nearest Neighbors over Uncertain Graphs. [Paper]

   The VLDB Journal (VLDBJ), 26(4): 467-492, 2017.

2. Lu Chen^#, Yunjun Gao*, Aoxiao Zhong^#, Christian S. Jensen, Gang Chen, and Baihua Zheng.

   Indexing Metric Uncertain Data for Range Queries and Range Joins. [Paper]

   The VLDB Journal (VLDBJ), 26(4): 585-610, 2017. (Extended version of [10] in Year 2015)

3. Gang Chen, Jingwen Zhao^#, Yunjun Gao*, Lei Chen, and Rui Chen^#.

   Time-Aware Boolean Spatial Keyword Queries. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 29(11): 2601-2614, 2017.

4. Gang Chen, Keyu Yang^#, Lu Chen^#, Yunjun Gao*, Baihua Zheng, and Chun Chen.

   Metric Similarity Joins Using MapReduce. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 29(3): 656-669, 2017.

5. Lu Chen^#, Yunjun Gao*, Xinhan Li^#, Christian S. Jensen, and Gang Chen.

   Efficient Metric Indexing for Similarity Search and Similarity Joins. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 29(3): 556-571, 2017. (Extended version of [12] in Year 2015)

6. Xiaoyi Fu^#, Xiaoye Miao^#, Jianliang Xu, and Yunjun Gao.

   Continuous Range-Based Skyline Queries in Road Networks. [Paper]

   World Wide Web Journal (WWWJ), 20(6): 1443-1467, 2017.

7. Shanshan Wu, Huaizhong Lin, Leong Hou U, Yunjun Gao, and Dongming Lu.

   Novel Structures for Counting Frequent Items in Time Decayed Streams. [Paper]

   World Wide Web Journal (WWWJ), 20(5): 1111-1133, 2017.(Extended version of [20] in Year 2016)

8. Shanshan Wu, Huaizhong Lin, Wenxiang Wang, Dongming Lu, Leong Hou U, and Yunjun Gao.

   RLC: Ranking Lag Correlations with Flexible Sliding Windows in Data Streams. [Paper]

   Pattern Analysis and Applications, 20(2): 601-611, 2017.

9. Lu Chen^#, Yunjun Gao*, Baihua Zheng, Christian S. Jensen, Hanyu Yang^#, and Keyu Yang^#.

   Pivot-based Metric Indexing. [Paper]

   Proceedings of the VLDB Endowment (PVLDB), 10(10): 1058-1069, 2017.

10. Jingwen Zhao^#, Yunjun Gao*, Gang Chen, Christian S. Jensen, Rui Chen^#, and Deng Cai.

    Reverse Top-k Geo-Social Keyword Queries in Road Networks. [Paper]

    Proceedings of the 33rd IEEE International Conference on Data Engineering (ICDE), pp. 387-398, 2017.

11. Qing Liu^#, Yunjun Gao*, Linlin Zhou^#, and Gang Chen.

    IS2R: A System for Refining Reverse Top-k Queries. [Paper]

    Proceedings of the 33rd IEEE International Conference on Data Engineering (ICDE), pp. 387-398, 2017. (Demo)

12. Yunjun Gao*, Qing Liu^#, Gang Chen, Linlin Zhou^#, and Baihua Zheng.

    Finding Causality and Responsibility for Probabilistic Reverse Skyline Query Non-answers. [Paper]

    Proceedings of the 33rd IEEE International Conference on Data Engineering (ICDE), pp. 53-54, 2017. (TKDE Poster)

13. Qian Yan, Hao Huang, Yunjun Gao, Wei Lu, and Qinming He.

    Group-Level Influence Maximization with Budget Constraint. [Paper]

    Proceedings of the 22nd International Conference on Database Systems for Advanced Applications (DASFAA), pp. 625-641, 2017.

14. Fangshu Chen^#, Huaizhong Lin, Jianzhong Qi, Pengfei Li, and Yunjun Gao.

    Collective-k Optimal Location Selection. [Paper]

    Proceedings of the 15th International Symposium on Advances in Spatial and Temporal Databases (SSTD), pp. 339-356, 2017.

2016

1. Qin Liu^#, Yunjun Gao*, Gang Chen, Baihua Zheng, and Linlin Zhou^#.

   Answering Why-not and Why Questions on Reverse Top-k Queries. [Paper]

   The VLDB Journal (VLDBJ), 25(6): 867-892, 2016. (Extended version of [8] in Year 2015)

2. Xiaoye Miao^#, Yunjun Gao*, Gang Chen, Baihua Zheng, and Huiyong Cui^#.

   Processing Incomplete kNearest Neighbor Search. [Paper]

   IEEE Transactions on Fuzzy Systems (TFS), 24(6): 1349-1363, 2016.

3. Yunjun Gao, Qing Liu^#, Gang Chen*, Linlin Zhou^#, and Baihua Zheng.

   Finding Causality and Responsibility for Probabilistic Reverse Skyline Query Non-answers. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 28(11): 2974-2987, 2016.

4. Yunjun Gao*, Jingwen Zhao^#, Baihua Zheng, and Gang Chen.

   Efficient Collective Spatial Keyword Query Processing on Road Networks. [Paper]

   IEEE Transactions on Intelligent Transportation Systems (TITS), 17(2): 469-480, 2016.

5. Lu Chen^#, Yunjun Gao*, Gang Chen, and Haida Zhang^#.

   Metric All-k-Nearest-Neighbor Search. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 28(1): 98-112, 2016.

6. Xiaoye Miao^#, Yunjun Gao*, Baihua Zheng, Gang Chen, and Huiyong Cui^#.

   Top-k Dominating Queries on Incomplete Data. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 28(1): 252-266, 2016.

7. Xiaoye Miao^#, Yunjun Gao*, Gang Chen, and Tianyi Zhang^#.

   k-Dominant Skyline Queries on Incomplete Data. [Paper]

   Information Sciences, 367: 990-1011, 2016.

8. Yunjun Gao*, Qing Liu^#, Xiaoye Miao^#, and Jiacheng Yang^#.

   Reverse k-Nearest Neighbor Search in the Presence of Obstacle. [Paper]

   Information Sciences, 330: 274-292, 2016.

9. Haida Zhang^#, Zhihao Xing^#, Lu Chen^#, and Yunjun Gao*.

   Efficient Metric All-k-Nearest-Neighbor Search on Datasets without Any Index. [Paper]

   Journal of Computer Science and Technology (JCST), 31(6): 1194-1211, 2016.

10. Zonghui Wang, Yunjun Gao*, Qing Liu^#, Xiaoye Miao^#, Qing Li, and Chuan Li.

    Efficient Group-by Reverse Skyline Computation. [Paper]

    World Wide Web Journal (WWWJ), 19(6): 1023-1049, 2016.

11. Bin Shen, Longbing Cao, Min Yao, and Yunjun Gao.

    Mining Preferred Navigation Patterns by Consolidating Both Selection and Time Preferences. [Paper]

    World Wide Web Journal (WWWJ), 19(5): 979-1007, 2016.

12. Huaizhong Lin, Fangshu Chen, Yunjun Gao, and Dongming Lu.

    Finding Optimal Region for Bichromatic Reverse Nearest Neighbor in Two- and Three-dimensional Spaces. [Paper]

    GeoInformatica, 20(3): 351-384, 2016.

13. Fangshu Chen, Huaizhong Lin, Yunjun Gao, and Dongming Lu.

    Capacity Constrained Maximizing Bichromatic Reverse Nearest Neighbor Search. [Paper]

    Expert Systems with Applications, 43: 93-108, 2016.

14. Xiaoye Miao^#, Yunjun Gao*, Gang Chen, Huiyong Cui^#, Chong Guo^#, and Weida Pan^#.

    SI2P: A Restaurant Recommendation System Using Preference Queries over Incomplete Information. [Paper]

    Proceedings of the VLDB Endowment (PVLDB), 9(13): 1509-1512, 2016. (Demo)

15. Lu Chen^#, Yunjun Gao*, Kai Wang^#, Christian S. Jensen, and Gang Chen.

    Answering Why-not Questions on Metric Probabilistic Range Queries. [Paper]

    Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE), pp. 767-778, 2016.

16. Dong Xie, Guanru Li, Bin Yao, Xiaokui Xiao, Yunjun Gao, and Minyi Guo.

    Practical Private Shortest Path Computation Based on Oblivious Storage. [Paper]

    Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE), pp. 361-372, 2016.

17. Xiaoye Miao^#, Yunjun Gao*, Baihua Zheng, Gang Chen, and Huiyong Cui^#.

    Top-k Dominating Queries on Incomplete Data (Extended Abstract). [Paper]

    Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE), pp. 1500-1501, 2016. (TKDE Poster)

18. Lu Chen^#, Yunjun Gao*, Gang Chen, and Haida Zhang^#.

    Metric All-k-Nearest-Neighbor Search (Extended Abstract). [Paper]

    Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE), pp. 1514-1515, 2016. (TKDE Poster)

19. Hao Huang, Song Wang, Shuangke Wu, Yunjun Gao, Wei Lu, Qinming He, and Shi Ying.

    Mining Arbitrary Shaped Clusters and Outputting a High Quality Dendrogram. [Paper]

    Proceedings of the 27th International Conference on Database and Expert Systems Applications (DEXA), pp. 153-168, 2016.

20. Shanshan Wu, Huaizhong Lin, Leong Hou U, Yunjun Gao, and Dongming Lu.

    Finding Frequent Items in Time Decayed Data Streams. [Paper]

    Proceedings of the 18th Asia-Pacific Web Conference on Web Technologies and Applications (APWeb), pp. 17-29, 2016.

21. Qian Yan, Hao Huang, Yunjun Gao, Chen Ying, Qingyang Hu, Tieyun Qian, and Qinming He.

    Modeling for Noisy Labels of Crowd Workers. [Paper]

    Proceedings of the 18th Asia-Pacific Web Conference on Web Technologies and Applications (APWeb), pp. 227-238, 2016.

22. Song Wang, Hao Huang, Yunjun Gao, Tieyun Qian, Liang Hong, and Zhiyong Peng.

    Fast Rare Category Detection Using Nearest Centroid Neighborhood. [Paper]

    Proceedings of the 18th Asia-Pacific Web Conference on Web Technologies and Applications (APWeb), pp. 383-394, 2016.

2015

1. Yunjun Gao*, Lu Chen^#, Xinhan Li^#, Bin Yao, and Gang Chen.

   Efficient k-Closest Pair Queries in General Metric Spaces. [Paper]

   The VLDB Journal (VLDBJ), 24(3): 415-439, 2015.

2. Yunjun Gao*, Xu Qin^#, Baihua Zheng, and Gang Chen.

   Efficient Reverse Top-k Boolean Spatial Keyword Queries on Road Networks. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 27(5): 1205-1218, 2015.

3. Yunjun Gao*, Shuyao Qi^#, Lu Chen^#, Baihua Zheng, and Xinhan Li^#.

   On Efficient k-Optimal-Location-Selection Query Processing in Metric Spaces. [Paper]

   Information Sciences, 298: 98-117, 2015.

4. Yunjun Gao*, Qing Liu^#, Baihua Zheng, Li Mou^#, Gang Chen, and Qing Li.

   On Processing Reverse k-Skyband and Ranked Reverse Skyline Queries. [Paper]

   Information Sciences, 293: 11-34, 2015.

5. Jiajie Xu, Yunjun Gao*, Chengfei Liu, Lei Zhao, and Zhiming Ding.

   Efficient Route Search on Hierarchical Dynamic Road Networks. [Paper]

   Distributed and Parallel Databases, 33(2): 227-252, 2015.

6. Weiwei Sun, Chunan Chen, Liang Zhu, Yunjun Gao, Yinan Jing, and Qing Li.

   On Efficient Aggregate Nearest Neighbor Query Processing in Road Networks. [Paper]

   Journal of Computer Science and Technology (JCST), 30(4): 781-798, 2015.

7. Tao Jiang, Bin Zhang, Dan Lin, Yunjun Gao, and Qing Li.

   Incremental Evaluation of Top-k Combinatorial Metric Skyline Query. [Paper]

   Knowledge-Based Systems, 74: 89-105, 2015.

8. Yunjun Gao*, Qing Liu^#, Gang Chen, Baihua Zheng, and Linlin Zhou^#.

   Answering Why-not Questions on Reverse Top-k Queries. [Paper]

   Proceedings of the VLDB Endowment (PVLDB), 8(7): 738-749, 2015.

9. Lu Chen^#, Yunjun Gao*, Zhihao Xing^#, Christian S. Jensen, and Gang Chen.

   I2RS: A Distributed Geo-Textual Image Retrieval and Recommendation System. [Paper]

   Proceedings of the VLDB Endowment (PVLDB), 8(12): 1884-1887, 2015. (Demo)

10. Lu Chen^#, Yunjun Gao*, Christian S. Jensen, Xinhan Li^#, Baihua Zheng, and Gang Chen.

    Indexing Metric Uncertain Data for Range Queries. [Paper]

    Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD), pp. 951-965, 2015.

11. Hui Li, Sourav S Bhowmick, Jiangtao Cui, Yunjun Gao, and Jianfeng Ma.

    GetReal: Towards Realistic Selection of Influence Maximization Strategies in Competitive Networks. [Paper]

    Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD), pp. 1525-1537, 2015. (Nomination for the Best Paper Award)

12. Lu Chen^#, Yunjun Gao*, Xinhan Li^#, Christian S. Jensen, and Gang Chen.

    Efficient Metric Indexing for Similarity Search. [Paper]

    Proceedings of the 31st IEEE International Conference on Data Engineering (ICDE), pp. 591-602, 2015. (One of the Best Papers)

13. Zhenguang Liu, Hao Huang, Qinming He, Kevin Chiew, and Yunjun Gao.

    Rare Category Exploration on Linear Time Complexity. [Paper]

    Proceedings of the 20th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 37-54, 2015.

2014

1. Zhiwen Yu, Le Li, Yunjun Gao, Jane You, Jiming Liu, Hau-San Wong, and Guoqiang Han.

   Hybrid Clustering Solution Selection Strategy. [Paper]

   Pattern Recognition, 47(10): 3362-3375, 2014.

2. Yunjun Gao*, Xiaoye Miao^#, Huiyong Cui^#, Gang Chen, and Qing Li.

   Processing k-Skyband, Constrained Skyline, and Group-By Skyline Queries on Incomplete Data. [Paper]

   Expert Systems with Applications, 41(10): 4959-4974, 2014.

3. Hao Huang^#, Yunjun Gao*, Kevin Chiew, Qinming He, and Baihua Zheng.

   Unsupervised Analysis of Top-k Core Members in Poly-Relational Networks. [Paper]

   Expert Systems with Applications, 41(13): 5689-5701, 2014.

4. Zhiwen Yu, Le Li, Hau-San Wong, Jane You, Guoqiang Han, Yunjun Gao, and Guoxian Yu.

   Probabilistic Cluster Structure Ensemble. [Paper]

   Information Sciences, 267: 16-34, 2014.

5. Hao Huang^#, Kevin Chiew, Yunjun Gao*, Qing Li, and Qinming He.

   Rare Category Exploration. [Paper]

   Expert Systems with Applications, 41(9): 4197-4210, 2014.

6. Yunjun Gao*, Qing Liu^#, Baihua Zheng, and Gang Chen.

   On Efficient Reverse Skyline Query Processing. [Paper]

   Expert Systems with Applications, 41(7): 3237-3249, 2014.

7. Tao Jiang, Yunjun Gao*, Bin Zhang, Dan Lin, and Qing Li.

   Monochromatic and Bichromatic Mutual Skyline Queries. [Paper]

   Expert Systems with Applications, 41(4): 1885-1900, 2014.

8. Hao Huang^#, Yunjun Gao, Kevin Chiew, Lei Chen, and Qinming He.

   Towards Effective and Efficient Mining of Arbitrary Shaped Clusters. [Paper]

   Proceedings of the 30th IEEE International Conference on Data Engineering (ICDE), pp. 28-39, 2014.

9. An Liu, Qing Li, Xiaofang Zhou, Lu Li, Guanfeng Liu, and Yunjun Gao.

   Rating Propagation in Web Services Reputation Systems: A Fast Shapley Value Approach. [Paper]

   Proceedings of the 19th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 466-480, 2014.

2013

1. Hao Huang^#, Yunjun Gao*, Lu Chen^#, Rui Li, Kevin Chiew, and Qinming He.

   Browse with a Social Web Directory. [Paper]

   Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval (SIGIR), pp. 865-868, 2013. (Short)

2. Yunjun Gao*, Lu Chen^#, Rui Li, and Gang Chen.

   Mapping Queries to Questions: Towards Understanding Users' Information Needs. [Paper]

   Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval (SIGIR), pp. 977-980, 2013. (Short)

3. Hao Huang^#, Yunjun Gao*, Kevin Chiew, Qinming He, and Lu Chen^#.

   Commodity Query by Snapping. [Paper]

   Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval (SIGIR), pp. 985-988, 2013. (Short)

4. Xiaoye Miao^#, Yunjun Gao*, Lu Chen^#, Gang Chen, Qing Li, and Tao Jiang.

   On Efficient k-Skyband Query Processing over Incomplete Data. [Paper]

   Proceedings of the 18th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 424-439, 2013.

5. Huaizhong Lin, Fangshu Chen, Yunjun Gao, and Dongming Lu.

   OptRegion: Finding Optimal Region for Bichromatic Reverse Nearest Neighbor. [Paper]

   Proceedings of the 18th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 146-160, 2013.

6. Xing Feng^#, Yunjun Gao*, Tao Jiang, Lu Chen^#, Xiaoye Miao^#, and Qing Liu^#.

   Parallel k-Skyband Computation on Multicore Architecture. [Paper]

   Proceedings of the 15th Asia-Pacific Web Conference on Web Technologies and Applications (APWeb), pp. 827-837, 2013.

7. Xing Feng^#, Xiang Zhao, Yunjun Gao, and Ying Zhang.

   Probabilistic Top-k Dominating Query over Sliding Windows. [Paper]

   Proceedings of the 15th Asia-Pacific Web Conference on Web Technologies and Applications (APWeb), pp. 782-793, 2013.

8. Tao Jiang, Yunjun Gao, Bin Zhang, Qing Liu^#, and Lu Chen^#.

   Reverse Top-k Group Nearest Neighbor Search. [Paper]

   Proceedings of the 15th International Conference on Web-Age Information Management (WAIM), pp. 429-439, 2013.

9. Xing Feng^#, Wenjie Zhang, Xiang Zhao, Ying Zhang, and Yunjun Gao.

   Probabilistic k-Skyband Operator over Sliding Windows. [Paper]

   Proceedings of the 15th International Conference on Web-Age Information Management (WAIM), pp. 190-202, 2013.

2012

1. Nan Hu, Gaoliang Tian, Ling Liu, Bin Liang, and Yunjun Gao.

   Do Links Matter? An Investigation of the Impact of Consumer Feedback, Recommendation Networks, and Price Bundling on Sales. [Paper]

   IEEE Transactions on Engineering Management (TEM), 59(2): 189-200, 2012.

2. Qing Liu^#, Yunjun Gao*, Gang Chen, Qing Li, and Tao Jiang.

   On Efficient Reverse k-Skyband Query Processing. [Paper]

   Proceedings of the 17th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 544-559, 2012.

3. Yafei Wang^#, Yunjun Gao*, Lu Chen^#, Gang Chen, and Qing Li.

   All-Visible-k-Nearest-Neighbor Queries. [Paper]

   Proceedings of the 23rd International Conference on Database and Expert Systems Applications (DEXA), pp. 392-407, 2012.

2011

1. Xi Guo, Baihua Zheng, Yoshiharu Ishikawa, and Yunjun Gao*.

   Direction-Based Surrounder Queries for Mobile Recommendations. [Paper]

   The VLDB Journal (VLDBJ), 20(5): 743-766, 2011.

2. Yunjun Gao*, Baihua Zheng, Gencai Chen, Qing Li, and Xiaofa Guo.

   Continuous Visible Nearest Neighbor Query Processing in Spatial Databases. [Paper]

   The VLDB Journal (VLDBJ), 20(3): 371-396, 2011.(Extended version of [6] in Year 2009)

3. Yunjun Gao*, Baihua Zheng, Gang Chen, Chun Chen, and Qing Li.

   Continuous Nearest Neighbor Search in the Presence of Obstacles. [Paper]

   ACM Transactions on Database Systems (TODS), 36(2), Article 9, 2011. (Extended version of [4] in Year 2009)

4. Nan Hu, Indranil Bose, Yunjun Gao*, and Ling Liu.

   Manipulation in Digital Word-of-Mouth: A Reality Check for Book Reviews. [Paper]

   Decision Support Systems (DSS), 50(3): 627-635, 2011.

5. Yunjun Gao*, Jiacheng Yang^#, Gang Chen, Baihua Zheng, and Chun Chen.

   On Efficient Obstructed Reverse Nearest Neighbor Query Processing. [Paper]

   Proceedings of the 19th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems (SIGSPATIAL GIS), pp. 191-200, 2011.

6. Gang Chen, He Bai, Lidan Shou, Ke Chen, and Yunjun Gao.

   UPS: Efficient Privacy Protection in Personalized Web Search. [Paper]

   Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), pp. 615-624, 2011.

2010

1. Yunjun Gao*, Baihua Zheng, Gencai Chen, Qing Li, Chun Chen, and Gang Chen.

   Efficient Mutual Nearest Neighbor Query Processing for Moving Object Trajectories. [Paper]

   Information Sciences, 180(11): 2176-2195, 2010.

2. Yunjun Gao*, Baihua Zheng, Gencai Chen, and Qing Li.

   Algorithms for Constrained k-Nearest Neighbor Queries over Moving Object Trajectories. [Paper]

   GeoInformatica, 14(2): 241-276, 2010.

3. Bin Shen, Min Yao, Zhaohui Wu, and Yunjun Gao.

   Mining Dynamic Association Rules with Comments. [Paper]

   Knowledge and Information Systems (KAIS), 23(1): 73-98, 2010.

4. Peipei Li, Xindong Wu, Xuegang Hu, Qianhui Liang, and Yunjun Gao.

   A Random Decision Tree Ensemble for Mining Concept Drifts from Noisy Data Streams. [Paper]

   Applied Artificial Intelligence (AAI), 24(7): 680-710, 2010.

5. Yunjun Gao*, Junfeng Hu, Gencai Chen, and Chun Chen.

   Finding the Most Desirable Skyline Objects. [Paper]

   Proceedings of the 15th International Conference on Database Systems for Advance Applications (DASFAA), pp. 116-122, 2010.

6. Nan Chen, Lidan Shou, Gang Chen, Ke Chen, and Yunjun Gao.

   B^s-tree: A Self-tuning Index of Moving Objects. [Paper]

   Proceedings of the 15th International Conference on Database Systems for Advance Applications (DASFAA), pp. 1-16, 2010.

7. Xi Guo, Yoshiharu Ishikawa, and Yunjun Gao.

   Direction-Based Spatial Skylines. [Paper]

   Proceedings of the 9th International ACM SIGMOD Workshop on Data Engineering for Wireless and Mobile (MobiDE), pp. 73-80, 2010.

2009

1. Yunjun Gao*, Baihua Zheng, Gencai Chen, Wang-Chien Lee, Ken C. K. Lee, and Qing Li.

   Visible Reverse k-Nearest Neighbor Query Processing in Spatial Databases. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 21(9): 1314-1327, 2009.(Extended version of [5] in Year 2009)

2. Yunjun Gao*, Baihua Zheng, Gencai Chen, and Qing Li.

   Optimal-Location-Selection Query Processing in Spatial Databases. [Paper]

   IEEE Transactions on Knowledge and Data Engineering (TKDE), 21(8): 1162-1177, 2009.

3. Yunjun Gao*, Baihua Zheng, Gencai Chen, and Qing Li.

   On Efficient Mutual Nearest Neighbor Query Processing in Spatial Databases. [Paper]

   Data & Knowledge Engineering (DKE), 68(8): 705-727, 2009.

4. Yunjun Gao* and Baihua Zheng.

   Continuous Obstructed Nearest Neighbor Queries in Spatial Databases. [Paper]

   Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD), pp. 577-590, 2009.

5. Yunjun Gao*, Baihua Zheng, Gencai Chen, Wang-Chien Lee, Ken C. K. Lee, and Qing Li.

   Visible Reverse k-Nearest Neighbor Queries. [Paper]

   Proceedings of the 25th International Conference on Data Engineering (ICDE), pp. 1203-1206, 2009. (Short)

6. Yunjun Gao*, Baihua Zheng, Wang-Chien Lee, and Gencai Chen.

   Continuous Visible Nearest Neighbor Queries. [Paper]

   Proceedings of the 12th International Conference on Extending Database Technology (EDBT), pp. 144-155, 2009.

7. Nan Chen, Lidan Shou, Gang Chen, Yunjun Gao, and Jinxiang Dong.

   Predictive Skyline Queries for Moving Objects. [Paper]

   Proceedings of the 14th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 278-282, 2009.

8. Peipei Li, Xuegang Hu, Qianhui Liang, and Yunjun Gao.

   Concept Drifting Detection on Noisy Streaming Data in Random Ensemble Decision Trees. [Paper]

   Proceedings of the International Conference on Machine Learning and Data Mining (MLDM), pp. 236-250, 2009.

2008 and Before

1. Yunjun Gao*, Jing Zhang, Gencai Chen, Qing Li, Shen Liu, and Chun Chen.

   Optimal-Nearest-Neighbor Queries. [Paper]

   Proceedings of the 24th International Conference on Data Engineering (ICDE),pp. 1454-1456, 2008. (Short)

2. Yunjun Gao*, Gencai Chen, Qing Li, Baihua Zheng, and Chun Li.

   Processing Mutual Nearest Neighbor Queries for Moving Object Trajectories. [Paper]

   Proceedings of the 9th International Conference on Mobile Data Management (MDM), pp. 116-123, 2008.

3. Yunjun Gao*, Gencai Chen, Qing Li, Chun Li, and Chun Chen.

   Constrained k-Nearest Neighbor Query Processing over Moving Object Trajectories. [Paper]

   Proceedings of the 13th International Conference on Database Systems for Advance Applications (DASFAA), pp. 19-22, 2008.

4. Yunjun Gao, Chun Li, Gencai Chen, Ling Chen, Xianta Jiang, and Chun Chen.

   Efficient k-Nearest-Neighbor Search Algorithms for Historical Moving Object Trajectories. [Paper]

   Journal of Computer Science and Technology (JCST), 22(2): 232-244, 2007.

5. Yunjun Gao*, Chun Li, Gencai Chen, Qing Li, and Chun Chen.

   Efficient Algorithms for Historical Continuous kNN Query Processing over Moving Object Trajectories. [Paper]

   Proceedings of the Joint Conf. of the 9th Asia-Pacific Web Conference and the 8th International Conf. on Web-Age Information Management (APWeb/WAIM), pp. 188-199, 2007. (49/554=8.84%)

6. Yunjun Gao*, Gencai Chen, Ling Chen, and Chun Chen.

   Parallelizing Progressive Computation for Skyline Queries in Multi-disk Environment. [Paper]

   Proceedings of the 17th International Conference on Database and Expert Systems Applications (DEXA), pp. 697-706, 2006.

7. Yunjun Gao*, Gencai Chen, Ling Chen, and Chun Chen.

   An I/O Optimal and Scalable Skyline Query Algorithm. [Paper]

   Proceedings of 23rd British National Conference on Databases (BNCOD), pp. 127-139, 2006.

8. Yunjun Gao*, Ling Chen, Gencai Chen, and Chun Chen.

   Efficient Parallel Processing for K-Nearest-Neighbor Search in Spatial Databases. [Paper]

   Proceedings of International Conference on Computational Science and its Applications (ICCSA), pp. 39-48, 2006.

Domestic Journal and Conference

1. 乔少杰, 韩楠, 金澈清, 高云君, 李天瑞, 唐常杰, 康健. 基于Multi-agent的分布式文本聚类模型. 计算机学报, 41(8): 1709-1721, 2018.
2. 柳晴^#, 高云君*. 查询结果可用性研究综述. 计算机研究与发展, 54(6):1198-1212, 2017. (特邀论文).
3. 高云君*, 陈璐^#. 度量空间数据管理. 中国计算机学会通讯, 12(8): 26-31, 2016. (特邀论文)
4. 乔少杰, 李天瑞, 韩楠, 高云君, 元昌安, 王晓腾, 唐常杰. 大数据环境下移动对象自适应轨迹预测模型. 软件学报, 26(11): 2869-2883, 2015.
5. 张彬, 蒋涛, 高云君, 乐光学. 度量空间中的Top-k反向Skyline查询算法. 计算机研究与发展, 51(3): 627-636, 2014.
6. 蒋涛, 高云君*, 张彬, 周傲英, 乐光学. 不确定数据查询处理. 电子学报, 41(5): 966-976, 2013.
7. 蒋涛, 张彬, 高云君*, 乐光学. 高效的Top-k相互Skyline查询算法. 计算机研究与发展, 50(5): 986-997, 2013.
8. 陈璐^#, 高云君*, 柳晴^#, 陈刚. 受限相互最近邻查询处理. 计算机研究与发展, 49(Suppl.): 140-147, 2012.

Editorial Proceedings

1. Athman Bouguettaya, Yunjun Gao, Andrey Klimenko, Lu Chen, Xiangliang Zhang, Fedor Dzerzhinskiy, Weijia Jia, Stanislav V. Klimenko, Qing Li: Web Information Systems Engineering - WISE 2017 - 18th International Conference, Puschino, Russia, October 7-11, 2017, Proceedings, Part I. Lecture Notes in Computer Science 10569, Springer 2017, ISBN 978-3-319-68782-7.
2. Athman Bouguettaya, Yunjun Gao, Andrey Klimenko, Lu Chen, Xiangliang Zhang, Fedor Dzerzhinskiy, Weijia Jia, Stanislav V. Klimenko, Qing Li: Web Information Systems Engineering - WISE 2017 - 18th International Conference, Puschino, Russia, October 7-11, 2017, Proceedings, Part II. Lecture Notes in Computer Science 10570, Springer 2017, ISBN 978-3-319-68785-8.
3. Yunjun Gao, Kyuseok Shim, Zhiming Ding, Peiquan Jin, Zujie Ren, Yingyuan Xiao, An Liu, and Shaojie Qiao (Eds.): Web-Age Information Management - WAIM 2013 International Workshops: HardBD, MDSP, BigEM, TMSN, LQPM, BDMS, Beidaihe, China, June 14-16, 2013. Proceedings. Lecture Notes in Computer Science 7901, Springer 2013, ISBN 978-3-642-39526-0.
4. Zhifeng Bao, Yunjun Gao, Yu Gu, Longjiang Guo, Yingshu Li, Jiaheng Lu, Zujie Ren, Chaokun Wang, and Xiao Zhang (Eds.): Web-Age Information Management - WAIM 2012 International Workshops: GDMM, IWSN, MDSP, USDM, and XMLDM Harbin, China, August 18-20, 2012 Proceedings. Lecture Notes in Computer Science 7419, Springer 2012, ISBN 978-3-642-33049-0.
5. Lei Chen, Changjie Tang, Jun Yang, and Yunjun Gao (Eds.): Web-Age Information Management, 11th International Conference, WAIM 2010, Jiuzhaigou, China, July 15-17, 2010. Proceedings. Lecture Notes in Computer Science 6184, Springer 2010, ISBN 978-3-642-14245-1.