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Book
-
Graham Cormode and Ke Yi. Small Summaries for Big Data. Cambridge University Press, 2020. [pdf]
Conference Papers
- Wei Dong, Qiyao Luo, Giulia Fanti, Elaine Shi, and Ke Yi. "Almost Instance-optimal Clipping for Summation Problems in the Shuffle Model of Differential Privacy." ACM Conference on Computer and Communications Security (CCS), October 2024. [pdf]
- Yuting Liang and Ke Yi. "Smooth Sensitivity for Geo-Privacy." ACM Conference on Computer and Communications Security (CCS), October 2024. [pdf]
- Dajun Sun, Wei Dong, and Ke Yi. "Confidence Intervals for Private Query Processing." International Conference on Very Large Data Bases (VLDB), August 2024. [pdf]
- Juanru Fang and Ke Yi. "Privacy Amplification by Sampling under User-level Differential Privacy." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024. [pdf]
- Binyang Dai, Xiao Hu, Ke Yi. "Reservoir Sampling over Joins." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024. [pdf] Best paper honorable mention.
- Qiyao Luo, Yilei Wang, Ke Yi, Sheng Wang, and Feifei Li. "Secure Sampling for Approximate Multi-party Query Processing. " ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024. [pdf]
- Wei Dong, Zijun Chen, Qiyao Luo, Elaine Shi, and Ke Yi. "Continual Observation of Joins under Differential Privacy." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2024. [pdf]
- Yuting Liang and Ke Yi. "Concentrated Geo-Privacy." ACM Conference on Computer and Communications Security (CCS), November 2023. [pdf] [full] [code]
- Qichen Wang, Xiao Hu, Binyang Dai, and Ke Yi. "Change Propagation Without Joins." International Conference on Very Large Data Bases (VLDB), August 2023. [full] [code]
- Wei Dong, Dajun Sun, and Ke Yi. "Better than Composition: How to Answer Multiple Relational Queries under Differential Privacy. " ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2023. [pdf] [code]
- Wei Dong and Ke Yi. "Universal Private Estimators." ACM Symposium on Principles of Database Systems (PODS), June 2023. [pdf]
- Wei Dong, Qiyao Luo, and Ke Yi. "Continual Observation under User-level Differential Privacy." IEEE Symposium on Security and Privacy (S&P), May 2023. [pdf]
- Wei Dong, Yuting Liang, and Ke Yi. "Differentially Private Covariance Revisited." Conference on Neural Information Processing Systems (NeurIPS), December 2022. [full version] [code]
- Qiyao Luo, Yilei Wang, and Ke Yi. "Frequency Estimation in the Shuffle Model with Almost a Single Message." ACM Conference on Computer and Communications Security (CCS), November 2022. [pdf] [code]
- Juanru Fang, Wei Dong, and Ke Yi. "Shifted Inverse: A General Mechanism for Monotonic Functions under User Differential Privacy." ACM Conference on Computer and Communications Security (CCS), November 2022. [pdf] [code]
- Ziyue Huang, Yuan Qiu, Ke Yi, and Graham Cormode. "Frequency Estimation Under Multiparty Differential Privacy: One-shot and Streaming." International Conference on Very Large Data Bases (VLDB), September 2022. [pdf]
- Yuan Qiu, Wei Dong, Ke Yi, Bin Wu, and Feifei Li. "Releasing Private Data for Numerical Queries." ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), August 2022. [pdf]
- Wei Dong, Juanru Fang, Ke Yi, Yuchao Tao, and Ashwin Machanavajjhala. "R2T: Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2022. [pdf] [code] Best paper award.
- Qichen Wang and Ke Yi. "Conjunctive Queries with Comparisons." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2022. [pdf] [code] Best paper honorable mention.
- Wei Dong and Ke Yi. "A Nearly Instance-optimal Differentially Private Mechanism for Conjunctive Queries." ACM Symposium on Principles of Database Systems (PODS), June 2022. [full version] [code]
- Yilei Wang and Ke Yi. "Query Evaluation by Circuits." ACM Symposium on Principles of Database Systems (PODS), June 2022. [full version]
- Ziyue Huang, Yuting Liang, and Ke Yi. "Instance-optimal Mean Estimation Under Differential Privacy." Conference on Neural Information Processing Systems (NeurIPS), December 2021. [full version]
- Yilei Wang and Ke Yi. "Secure Yannakakis: Join-Aggregate Queries over Private Data." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2021. [pdf] [code]
- Wei Dong and Ke Yi. "Residual Sensitivity for Differentially Private Multi-Way Joins." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2021. [full version] [code]
- Yuan Qiu, Yilei Wang, Ke Yi, Feifei Li, Bin Wu, and Chaoqun Zhan. "Weighted Distinct Sampling: Cardinality Estimation for SPJ Queries." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2021. [full version]
- Ziyue Huang and Ke Yi. "Approximate Range Counting Under Differential Privacy." International Symposium on Computational Geometry (SoCG), June 2021. [full version]
- Xiao Hu and Ke Yi. "Parallel Algorithms for Sparse Matrix Multiplication and Join-Aggregate Queries." ACM Symposium on Principles of Database Systems (PODS), June 2020. [pdf]
- Qichen Wang and Ke Yi. "Maintaining Acyclic Foreign-Key Joins Under Updates." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2020. [pdf] [code]
- Yang Cao, Wenfei Fan, Yanghao Wang, and Ke Yi. "Querying Shared Data with Security Heterogeneity." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2020. [pdf]
- Yu Chen and Ke Yi. "Random Sampling and Size Estimation over Cyclic Joins." International Conference on Database Theory (ICDT), March 2020. [pdf]
- Zengfeng Huang, Ziyue Huang, Yilei Wang, and Ke Yi. "Optimal Sparsity-Sensitive Bounds for Distributed Mean Estimation." Conference on Neural Information Processing Systems (NeurIPS), December 2019. [pdf]
- Xiao Hu and Ke Yi. "Instance and Output Optimal Parallel Algorithms for Acyclic Joins." ACM Symposium on Principles of Database Systems (PODS), June 2019. [paper] [full version]
- Zhuoyue Zhao, Robert Christensen, Feifei Li, Xiao Hu, and Ke Yi. "Random Sampling over Joins Revisited." ACM SIGMOD International Conference on Management of Data
(SIGMOD), June 2018. [pdf]
- Yu Chen and Ke Yi. "Two-Level Sampling for Join Size Estimation." ACM SIGMOD International Conference on Management of Data
(SIGMOD), May 2017. [pdf]
- Xiao Hu, Yufei Tao, and Ke Yi. "Output-optimal Parallel Algorithms for Similarity Joins." ACM Symposium on Principles of Database Systems (PODS), May 2017. [pdf]
- Han Xu, Zheng Yang, Zimu Zhou, Ke Yi, Chunyi Peng. "TUM: Towards Ubiquitous Multi-Device Localization for Cross-Device Interaction." INFOCOM, May, 2017. [pdf]
- Han Xu, Zheng Yang, Zimu Zhou, Longfei Shangguan, Ke Yi, and Yunhao Liu. "Indoor localization via multi-modal sensing on smartphones." ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), September 2016. [pdf]
- Feifei Li, Bin Wu, Ke Yi, and Zhuoyue Zhao. "Wander Join: Online Aggregation via
Random Walks." ACM SIGMOD International Conference on Management of Data
(SIGMOD), June 2016. [pdf] [slides] [code] Best paper award.
- Xiao Hu and Ke Yi. "Towards a Worst-Case I/O-Optimal Algorithm for Acyclic Joins." ACM Symposium on Principles of Database
Systems (PODS), June 2016. [pdf]
- Lu Wang, Robert Christensen, Feifei Li, and Ke Yi. "Spatial Online Sampling and
Aggregation." International Conference on Very Large Data Bases
(VLDB), August 2016. [pdf]
- Han Xu, Zheng Yang, Zimu Zhou, Longfei Shangguan, Ke Yi, Yunhao Liu. "Enhancing WiFi-based Localization with Visual Clues." UbiComp, September 2015. [pdf]
- Zhewei Wei, Ge Luo, Ke Yi, Xiaoyong Du, and Ji-Rong Wen. "Persistent Data
Sketching." ACM
SIGMOD International Conference on Management of Data (SIGMOD), June
2015. [pdf]
- Ge Luo, Ke Yi, Siu-Wing Cheng, Zhenguo Li, Wei Fan, Cheng He, and Yadong
Mu. "Piecewise Linear Approximation of Streaming Time Series Data with Max-error
Guarantees." IEEE International Conference on Data Engineering (ICDE),
April 2015. [pdf] [code]
- Zengfeng Huang and Ke Yi. "The Communication Complexity of Distributed epsilon-Approximations." IEEE Symposium on Foundations of Computer Science (FOCS), October 2014. [pdf]
- Zhewei Wei and Ke Yi. "Equivalence between Priority Queues and
Sorting in External Memory." European Symposium on Algorithms (ESA), September 2014. [pdf]
- Di Chen, Christian Konrad, Ke Yi, Wei Yu, and Qin Zhang. "Robust Set Reconciliation." ACM SIGMOD International Conference on Management of Data (SIGMOD), June 2014. [pdf]
- Xiaoyu Ji, Yuan He, Jiliang Wang, Kaishun Wu, Ke Yi, and Yunhao Liu. "Voice Over the
Dins: Improving Wireless Channel Utilization with Collision Tolerance." IEEE
International Conference on Network Protocols (ICNP), October 2013. [pdf]
- Lu Wang, Ge Luo, Ke Yi, and Graham Cormode. "Quantiles over Data
Streams: An Experimental Study."
ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2013. [pdf]
- Pankaj K. Agarwal, Boris Aronov, Sariel Har-Peled, Jeff M. Phillips, Ke
Yi, and Wuzhou Zhang. "Nearest-Neighbor Searching Under Uncertainty II."
ACM Symposium on Principles of Database
Systems (PODS), June 2013. [pdf]
- Charalampos Papamanthou, Elaine Shi, Roberto Tamassia, and Ke Yi.
"Streaming Authenticated Data Structures."
EUROCRYPT,
May 2013. [pdf]
- Zhewei Wei and Ke Yi. "The Space Complexity of 2-Dimensional
Approximate Range Counting." ACM-SIAM Symposium on Discrete Algorithms
(SODA), January 2013. [pdf]
- Jeffrey Jestes, Ke Yi, and Feifei Li. "Building Wavelet Histograms on Large Data
in MapReduce." International Conference on Very Large Data Bases
(VLDB), August 2012. [pdf]
- Graham Cormode, Justin Thaler, and Ke Yi. "Verifying Computations with Streaming
Interactive Proofs." International Conference on Very Large Data Bases
(VLDB), August 2012. [pdf]
- Graham Cormode and Ke Yi. "Tracking Distributed Aggregates over Time-Based
Sliding Windows." International Conference on Scientific and Statistical Database
Management (SSDBM), June 2012. [pdf]
- Pankaj K. Agarwal, Graham Cormode, Zengfeng Huang, Jeff M. Phillips, Zhewei
Wei, and Ke Yi. "Mergeable Summaries." ACM Symposium on Principles of Database
Systems (PODS), May 2012. [pdf] Test-of-Time award.
- Zengfeng Huang, Ke Yi, and Qin Zhang. "Randomized Algorithms for Tracking
Distributed Count, Frequencies, and Ranks." ACM Symposium on Principles of Database
Systems (PODS), May 2012. [pdf]
- Zengfeng Huang, Lu Wang, Ke Yi,
and Yunhao Liu. "Sampling Based Algorithms for Quantile
Computation in Sensor Networks."
ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2011. [pdf] [slides]
- Yang Li, Feifei Li, Ke Yi, Bin Yao, and Min Wang. "Flexible Aggregate Similarity
Search." ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2011. [pdf]
- Zhewei Wei and Ke Yi. "Beyond Simple Aggregates: Indexing for Summary
Queries."
ACM Symposium on Principles of Database
Systems (PODS), June 2011. [pdf] [slides]
- Zengfeng Huang, Ke Yi, Yunhao Liu, and Guihai Chen. "Optimal Sampling
Algorithms for Frequency Estimation in Distributed Data." INFOCOM, April 2011. [pdf]
- Yinan Li, Bingsheng He, Robin Jun Yang, Qiong Luo, and Ke Yi. "Tree
Indexing on Solid State Drives." International Conference on Very Large Data Bases
(VLDB), September
2010. [pdf]
- Jian Li, Ke Yi, and Qin Zhang. "Clustering with Diversity."
International Colloquium on Automata, Languages and Programming
(ICALP), July 2010. [pdf] [slides]
- Yufei Tao, Ke Yi, Cheng Sheng, Jian Pei, and Feifei Li. "Logging Every
Footstep: Quantile Summaries for the Entire History."
ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2010. [pdf]
- Jeffrey Jestes, Feifei Li, Zhepeng Yan, and Ke Yi. "Probabilistic
String Similarity Joins." ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2010. [pdf] [slides]
[code]
- Graham Cormode, S. Muthukrishnan, Ke Yi, and Qin Zhang. "Optimal
Sampling from Distributed Streams."
ACM Symposium on Principles of Database
Systems (PODS), June 2010. [pdf] [slides]
- Rasmus Pagh, Zhewei Wei, Ke Yi, and Qin Zhang. "Cache-Oblivious Hashing."
ACM Symposium on Principles of Database
Systems (PODS), June 2010. [pdf] [slides]
- Xiaokui Xiao, Ke Yi, and Yufei Tao. "The Hardness and Approximation
Algorithms for L-Diversity." International Conference on Extending Data
Base Technology
(EDBT), March 2010. [pdf]
- Ke Yi and Qin Zhang. "On the Cell Probe Complexity of Dynamic Membership."
ACM-SIAM Symposium on Discrete Algorithms (SODA),
January 2010. [pdf] [slides]
- Zhewei Wei, Ke Yi, and Qin Zhang. "Dynamic
External Hashing: The Limit of Buffering."
ACM Symposium on Parallelism in Algorithms and Architectures
(SPAA), August 2009. [pdf]
[slides]
- Yufei Tao, Ke Yi, Cheng Sheng, and Panos Kalnis. "Quality and Efficiency in
High Dimensional Nearest Neighbor Search."
ACM SIGMOD International Conference on Management of Data
(SIGMOD), June 2009. [pdf] [code]
- Feifei Li, Ke Yi, and Jeffrey Jestes. "Ranking Distributed Probabilistic Data."
ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2009. [pdf]
[slides] [code]
- Ke Yi. "Dynamic
Indexability and Lower Bounds for Dynamic One-Dimensional Range Query
Indexes."
ACM Symposium on Principles of Database
Systems (PODS), June 2009. [pdf] [slides]
- Ke Yi and Qin Zhang. "Optimal Tracking of Distributed Heavy
Hitters and Quantiles."
ACM Symposium on Principles of Database
Systems (PODS), June 2009. [pdf] [slides]
- Pankaj K. Agarwal, Siu-Wing Cheng, Yufei Tao, and Ke Yi. "Indexing Uncertain Data."
ACM Symposium on Principles of Database
Systems (PODS), June 2009. [pdf] [slides]
-
Graham Cormode, Feifei Li, and Ke Yi. "Semantics of Ranking Queries for Probabilistic Data
and Expected Ranks."
International Conference on Data Engineering
(ICDE), March 2009. [pdf] [slides] [code]
-
Ke Yi and Qin Zhang. "Multi-Dimensional Online Tracking."
ACM-SIAM Symposium on Discrete Algorithms (SODA),
January 2009. [pdf] [slides]
- Cheqing Jin, Ke Yi, Lei Chen, Jeffrey Xu Yu, and Xuemin
Lin. "Sliding-Window Top-k Queries on
Uncertain Streams."
International Conference on Very Large Data Bases
(VLDB), August 2008. [pdf] [slides]
- Qin Zhang, Feifei Li, and Ke Yi. "Finding Frequent
Items in Probabilistic Data."
ACM SIGMOD International Conference on Management of
Data (SIGMOD), June 2008. [pdf] [slides] [code]
- Ke Yi, Feifei Li, Marios Hadjieleftheriou, George
Kollios, and Divesh Srivastava. "Randomized Synopses for
Query Assurance on Data Streams."
International Conference on Data Engineering
(ICDE), April 2008. [pdf] [slides] [code]
- Graham Cormode, S. Muthukrishnan, and Ke Yi. "Algorithms for Distributed Functional
Monitoring."
ACM-SIAM Symposium on Discrete Algorithms (SODA), January
2008. [pdf] [slides]
- Jiang Chen and Ke Yi. "Dynamic Structures for Top-k Queries on Uncertain
Data."
International Symposium on Algorithms and Computation
(ISAAC), December 2007. [pdf] [slides]
- Micha Streppel and Ke Yi. "Approximate Range Searching in External
Memory." International Symposium
on Algorithms and Computation (ISAAC), December 2007. [pdf] [slides]
-
Andrew Danner, Thomas Mølhave, Ke Yi, Pankaj K. Agarwal, Lars Arge,
and Helena Mitasova. "TerraStream: From Elevation Data to Watershed
Hierarchies."
ACM International Symposium
on Advances in Geographic Information Systems (ACM GIS),
November 2007. [pdf] [slides]
- Feifei Li, Ke Yi, Marios Hadjieleftheriou,
and George Kollios. "Proof-Infused Streams: Enabling
Authentication of Sliding Window Queries on
Streams."
International Conference on Very Large Data Bases
(VLDB),
September 2007. [pdf] [slides]
- Adam L. Buchsbaum, Alon Efrat, Shaili Jain, Suresh Venkatasubramanian,
and Ke Yi. "Restricted Strip Covering and the Sensor Cover Problem."
ACM-SIAM Symposium on Discrete Algorithms (SODA), January
2007. [pdf] (The results of this paper have been improved by this paper in FOCS'09.)
- Pankaj K. Agarwal, Lars Arge, and Ke Yi. "I/O-Efficient Batched
Union-Find and Its Applications to Terrain Analysis."
International Symposium on Computational Geometry (SoCG), June 2006. [pdf] [slides]
[code]
- Tamraparni Dasu, Shankar Krishnan, Suresh Venkatasubramanian, and Ke
Yi. "An Information-Theoretic Approach to
Detecting Changes in Multi-Dimensional Data Streams." Symposium on the
Interface of Statistics, Computing Science, and
Applications (Interface), May, 2006. [pdf]
- Pankaj K. Agarwal, Lars Arge, and Ke Yi. "I/O-Efficient Construction
of Constrained Delaunay Triangulations." European Symposium on
Algorithms (ESA), October
2005. [pdf] [full
version] [slides]
- Adam Silberstein, Hao He, Ke Yi, and Jun Yang. "BOXes: Efficient Maintenance
of Order-Based Labeling for Dynamic XML Data." International Conference
on Data Engineering
(ICDE), April 2005. [pdf] [slides]
- Pankaj K. Agarwal, Lars Arge, and Ke Yi. "An Optimal Dynamic
Interval Stabbing-Max Data Structure?" ACM-SIAM Symposium on Discrete
Algorithms (SODA), January
2005. [pdf] [slides]
- Lars Arge, Vasilis Samoladas, and Ke Yi. "Optimal External Memory Planar
Point Enclosure."
European Symposium on Algorithms (ESA),
September 2004. [pdf] [slides]
- Lars Arge, Mark de Berg, Herman Haverkort, and Ke Yi. "The Priority R-Tree:
A Practically Efficient and Worst-Case Optimal R-Tree."
ACM SIGMOD International Conference on
Management of Data (SIGMOD), June 2004. [pdf] [slides] [code]
- Ke Yi, Hao He, Ioana Stanoi, and Jun Yang. "Incremental Maintenance of XML
Structural Indexes."
ACM SIGMOD International Conference on
Management of Data (SIGMOD), June 2004. [pdf] [slides]
- Pankaj K. Agarwal, Lars Arge, Jun Yang, and Ke Yi. "I/O-Efficient
Structures for Orthogonal Range-Max and Stabbing-Max Queries."
European Symposium on Algorithms (ESA), September
2003. [pdf] [slides]
- Ke Yi, Hai Yu, Jun Yang, Gangqiang Xia, and Yuguo Chen. "Efficient
Maintenance of Materialized Top-k Views."
International Conference on Data Engineering
(ICDE), March 2003. [pdf] [slides]
- Stergios V. Anastasiadis, Peter Varman, Jeffrey S. Vitter, and Ke
Yi. "Lexicographically Optimal Smoothing for
Broadband Traffic Multiplexing." ACM Symposium on Principles of Distributed
Computing (PODC), July 2002. [pdf]
Journal Papers
- Wei Dong, Juanru Fang, Ke Yi, Yuchao Tao, and Ashwin Machanavajjhala. "Instance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys." ACM Transactions on Database Systems, 49(4):13, November 2024 (invited). [pdf]
- Wei Dong and Ke Yi. "Query Evaluation under Differential Privacy." SIGMOD Record, 52(3):6-17, September, 2023 (invited). [pdf]
- Tianjing Zeng, Zhewe Wei, Ge Luo, Ke Yi, Xiaoyong Du, and Jirong Wen. "Persistent Summaries." ACM Transactions on Database Systems, 47(3):11, April 2022. [pdf]
- Yufei Tao and Ke Yi. "Intersection Joins under Updates." Journal of Computer and System Sciences, 124:41-64, March 2022. [pdf]
- Xiao Hu and Ke Yi. "Massively Parallel Join Algorithms." SIGMOD Record, 49(3):6-17, December 2020 (invited). [pdf].
- Zengfeng Huang, Ke Yi, and Qin Zhang. "Randomized Algorithms for Tracking Distributed Count, Frequencies, and Ranks." Algorithmica, 81:2222-2243, June 2019. [pdf]
- Xiao Hu, Ke Yi, and Yufei Tao. "Output-optimal Massively Parallel Algorithms for Similarity Joins." ACM Transactions on Database Systems, 44(2):6, April 2019 (invited). [pdf]
- Feifei Li, Bin Wu, Ke Yi, and Zhuoyue Zhao. "Wander Join and XDB: Online Aggregation via Random Walks." ACM Transactions on Database Systems, 44(1):2, January 2019 (invited). [pdf]
- Zhewei Wei and Ke Yi. "Tight Space Bounds for Two-Dimensional Approximate Range Counting." ACM Transactions on Algorithms, 14(2):23, June 2018. [pdf]
- Zengfeng Huang and Ke Yi. "The Communication Complexity of Distributed epsilon-Approximations." SIAM Journal on Computing, 46(4):1370-1394, 2017. [pdf]
- Xiaoyu Ji, Yuan He, Jiliang Wang, Kaishun Wu, Daibo Liu, Ke Yi, and Yunhao Liu. "On Improving Wireless Channel Utilization: A Collision Tolerance-Based Approach." IEEE Transactions on Mobile Computing, 16(3):787-800, March 2017. [pdf]
- Pankaj K. Agarwal, Boris Aronov, Sariel Har-Peled, Jeff Phillips, Ke Yi, and Wuzhou Zhang. "Nearest-Neighbor Searching Under Uncertainty II." ACM Transactions on Algorithms, 13(1):3, October 2016. [pdf]
- Bin Wu, Ke Yi, and Zhenguo Li. "Counting Triangles in Large Graphs by Random Sampling." IEEE Transactions on Knowledge and Data Engineering, 28(8):2013-2026, August 2016. [pdf]
-
Ge Luo, Lu Wang, Ke Yi, and Graham Cormode. "Quantiles over Data Streams: Experimental Comparisons, New Analyses, and Further Improvements." The VLDB Journal, 25(4):449-472, August 2016. [pdf]
-
Feifei Li, Ke Yi, Yufei Tao, Bin Yao, Dong Xie, and Min Wang. "Exact and Approximate Flexible Aggregate Similarity Search." The VLDB Journal, 25(3):317-338, June 2016. [pdf]
-
Rasmus Pagh, Zhewei Wei, Ke Yi, and Qin Zhang. "Cache-Oblivious Hashing."
Algorithmica, 69(4):864-883, August 2014. [pdf]
- Ke Yi, Lu Wang, and Zhewei Wei. "Indexing for Summary Queries: Theory and Practice."
ACM Transactions on Database Systems, 39(1):2, January 2014. [pdf]
- Pankaj K. Agarwal, Graham Cormode, Zengfeng Huang, Jeff M. Phillips, Zhewei Wei,
and Ke Yi. "Mergeable Summaries." ACM Transactions on Database Systems,
38(4):26, November 2013 (invited). [pdf]
- Pankaj K. Agarwal, Lars Arge, Sathish Govindarajan, Jun Yang, and Ke
Yi. "Efficient External Memory Structures for Range-Aggregate Queries."
Computational Geometry: Theory and Applications, 46(3):358-370,
April 2013. [pdf]
- Ke Yi and Qin Zhang. "Optimal Tracking of Distributed Heavy Hitters and
Quantiles." Algorithmica, 65(1):206-223, January 2013. [pdf]
- Pankaj K. Agarwal, Siu-Wing Cheng, and Ke Yi. "Range Searching on
Uncertain Data." ACM Transactions on Algorithms, 8(4):43,
September 2012. [pdf]
- Ke Yi. "Dynamic Indexability and the Optimality of B-Trees."
Journal of the ACM, 59(4):21, August 2012 (invited). [pdf]
- Graham Cormode, S. Muthukrishnan, Ke Yi, and Qin Zhang. "Continuous
Sampling from Distributed Streams." Journal of the ACM, 59(2):10, April 2012
(invited). [pdf]
- Ke Yi and Qin Zhang. "Multi-Dimensional Online Tracking."
ACM Transactions on Algorithms, 8(2):12, April 2012. [pdf]
- Pankaj K. Agarwal, Lars Arge, Haim
Kaplan, Eyal Molad, Robert E. Tarjan, and Ke Yi. "An Optimal Dynamic Data Structure for
Stabbing-Semigroup Queries." SIAM Journal on Computing,
41(1):104-127, January 2012. [pdf]
- Jeffrey Jestes, Graham Cormode, Feifei Li, and Ke Yi. "Semantics
of Ranking Queries for Probabilistic Data."
IEEE Transactions on Knowledge and Data Engineering,
23(12):1903-1917, December 2011. [pdf]
-
Graham Cormode, S. Muthukrishnan, and Ke Yi. "Algorithms
for Distributed Functional Monitoring."
ACM Transactions on Algorithms, 7(2):21, March 2011. [pdf]
- Micha Streppel and Ke Yi. "Approximate
Range Searching in External Memory." Algorithmica, 59(2):115-128, February 2011. [pdf]
- Ke Yi, Xiang Lian,
Feifei Li, and Lei Chen. "The
World in a Nutshell: Concise Range Queries."
IEEE Transactions on Knowledge and Data Engineering, 23(1):139-154,
January 2011. [pdf]
- Pankaj K. Agarwal, Lars Arge, and Ke Yi. "I/O-Efficient
Batched Union-Find and Its Applications to Terrain Analysis."
ACM Transactions on Algorithms, 7(1):11, November 2010. [pdf]
- Feifei Li, Ke Yi, and Wangchao Le. "Top-k
Queries on Temporal Data."
The VLDB Journal, 19(5):715-733, October 2010. [pdf] [code]
-
Yufei Tao, Ke Yi, Cheng Sheng, and Panos Kalnis. "Efficient
and Accurate Nearest Neighbor and Closest Pair Search in High
Dimensional Space."
ACM Transactions on Database Systems, 35(3):20, July 2010. [pdf] [code]
- Cheqing Jin, Ke Yi, Lei Chen, Jeffrey Xu Yu, and Xuemin Lin. "Sliding-Window
Top-k Queries on Uncertain Streams." The VLDB Journal, 19(3):411-435, June 2010. [pdf]
- Ke Yi, Feifei Li, Graham Cormode, Marious Hadjieleftheriou, George Kollios,
and Divesh Srivastava. "Small
Synopses for Group-By Query Verification on Outsourced Data Streams."
ACM Transactions on Database Systems, 34(3): 15, August
2009. [pdf]
- Lars Arge, Vasilis Samoladas, and Ke Yi. "Optimal External Memory
Planar Point Enclosure."
Algorithmica, 54(3):337-352, July 2009. [pdf]
- Ke Yi, Feifei Li, George Kollios, and Divesh Srivastava. "Efficient
Processing of Top-k Queries in Uncertain Databases with x-Relations."
IEEE Transactions on Knowledge and Data Engineering,
20(12):1669-1682, December 2008. [pdf] [code]
-
Jiang Chen and Ke Yi. "A
Dynamic Data Structure for Top-k Queries on Uncertain Data."
Theoretical Computer Science, 407(1-3):310-317, November 2008. [pdf]
- Lars Arge, Mark de Berg, Herman Haverkort, and Ke Yi. "The
Priority R-Tree: A Practically Efficient and Worst-Case Optimal
R-Tree." ACM Transactions on Algorithms, 4(1):9, March
2008. [pdf]
- Stergios V. Anastasiadis, Peter Varman, Jeffrey S. Vitter, and Ke
Yi. "Optimal Lexicographic Shaping of Aggregate Streaming Data."
IEEE Transactions on Computers, 54(4):398-408, April 2005. [pdf]
Short Papers and System Demontrations
- Jianzhe Yu, Wei Dong, Juanru Fang, Dajun Sun, and Ke Yi. "DOP-SQL: A General-purpose, High-utility, and Extensible Private SQL System." International Conference on Very Large Data Bases (VLDB), August, 2024. System demonstration.
- Binyang Dai, Qichen Wang, and Ke Yi. "SparkSQL+: Next-generation Query Planning over Spark." ACM SIGMOD International Conference on Management of Data
(SIGMOD), June 2023. System demonstration. [pdf]
- Qichen Wang, Chaoqi Zhang, Danish Alsayed, Ke Yi, Bin Wu, Feifei Li, and Chaoqun Zhan. "Cquirrel: Continuous Query Processing over Acyclic Relational Schemas." International Conference on Very Large Data Bases (VLDB), August 2021. System demonstration. [pdf]
- Yuan Qiu, Serafeim Papadias, and Ke Yi. "Streaming HyperCube: A Massively Parallel Stream Join Algorithm." International Conference on Extending Database Technology (EDBT), March 2019.
- Feifei Li, Bin Wu, Ke Yi, and Zhuoyue Zhao. "Wander Join: Online Aggregation for
Joins." ACM SIGMOD International Conference on Management of Data
(SIGMOD), June 2016. System demonstration.
- Robert Christensen, Lu Wang, Feifei Li, Ke Yi, Jun Tang, and Natalee Villa. "STORM:
Spatio-Temporal Online Reasoning and Management of Large Spatio-Temporal Data." ACM
SIGMOD International Conference on Management of Data (SIGMOD), June
2015. System demonstration: Best demonstration award.
- Graham Cormode and Ke Yi. "Tracking Distributed Aggregates over
Time-Based Sliding Windows." ACM Symposium on Principles of Distributed
Computing (PODC), June 2011.
- Yufei Tao, Jian Pei, Jiexing Li, Xiaokui Xiao, Ke Yi, Zhengzheng
Xing. "Hiding Correlation by Independence Masking."
International Conference on Data Engineering
(ICDE), March 2010.
- Yinan Li, Bingsheng He, Qiong Luo, and Ke Yi. "Tree Indexing on Flash Disks."
International Conference on Data Engineering
(ICDE), March 2009.
- Ke Yi, Xiang Lian, FeiFei Li, and Lei Chen. "A Concise Representation
of Range Queries." International Conference on Data Engineering
(ICDE), March 2009.
- Ke Yi, Feifei Li, George Kollios, and Divesh Srivastava. "Efficient
Processing of Top-k Queries in Uncertain Databases."
International Conference on Data Engineering
(ICDE), 2008.