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ORCIDMengchi Liu
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- affiliation: Carleton University, Ottawa, Canada
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2020 – today
- 2025
[j37]Yiwu Xu, Mengchi Liu:
GPT4TFP: Spatio-temporal fusion large language model for traffic flow prediction. Neurocomputing 625: 129562 (2025)- 2024
- [j36]Tuanjie Wei
, Mengchi Liu, Huimin Zhao, Huakang Li:
GMSN: An efficient multi-scale feature extraction network for gait recognition. Expert Syst. Appl. 252: 124250 (2024) - [j35]Junyong Yang, Ming Zhong, Yuanyuan Zhu, Tieyun Qian, Mengchi Liu, Jeffrey Xu Yu:
Evolution Forest Index: Towards Optimal Temporal $k$-Core Component Search via Time-Topology Isomorphic Computation. Proc. VLDB Endow. 17(11): 2840-2853 (2024) - [j34]Ting Yu, Ting Jiang, Mohamed Jaward Bah, Chen Zhao, Hao Huang, Mengchi Liu, Shuigeng Zhou, Zhao Li, Ji Zhang:
Incremental Maximal Clique Enumeration for Hybrid Edge Changes in Large Dynamic Graphs. IEEE Trans. Knowl. Data Eng. 36(4): 1650-1666 (2024) - [j33]Ming Zhong, Junyong Yang, Yuanyuan Zhu, Tieyun Qian, Mengchi Liu, Jeffrey Xu Yu:
A Unified and Scalable Algorithm Framework of User-Defined Temporal $(k,\mathcal {X})$(k,X)-Core Query. IEEE Trans. Knowl. Data Eng. 36(7): 2831-2845 (2024) - [c80]Chuhan Hu, Ming Zhong, Yuanyuan Zhu, Tieyun Qian, Ting Yu, Hongyang Chen, Mengchi Liu, Jeffrey Xu Yu:
Querying Cohesive Subgraph Regarding Span-Constrained Triangles on Temporal Graphs. ICDE 2024: 3338-3350 - [i5]Jiamin Tang, Chao Zhang, Xudong Zhu, Mengchi Liu:
Tangram: A Challenging Benchmark for Geometric Element Recognizing. CoRR abs/2408.13854 (2024) - 2023
- [j32]Mengchi Liu, Dongmei Yu:
Towards intelligent E-learning systems. Educ. Inf. Technol. 28(7): 7845-7876 (2023) - [j31]Ting Yu, Mengchi Liu, Zujie Ren, Ji Zhang:
A fast approximate method for k-edge connected component detection in graphs with high accuracy. Inf. Sci. 633: 384-409 (2023) - [j30]Jiamei Feng, Mengchi Liu, Xiang Liang, Tingkun Nie:
ALCR: Adaptive loss based critic ranking toward variational autoencoders with multinomial likelihood and condition for collaborative filtering. Knowl. Based Syst. 278: 110829 (2023) - [j29]Junyong Yang, Ming Zhong, Yuanyuan Zhu, Tieyun Qian, Mengchi Liu, Jeffrey Xu Yu:
Scalable Time-Range k-Core Query on Temporal Graphs. Proc. VLDB Endow. 16(5): 1168-1180 (2023) - [j28]Ming Zhong, Yingyi Zheng, Guotong Xue, Mengchi Liu:
Reliable Keyword Query Interpretation on Summary Graphs. IEEE Trans. Knowl. Data Eng. 35(5): 5187-5202 (2023) - [j27]Jun-Feng Qu, Philippe Fournier-Viger, Mengchi Liu, Bo Hang, Chunyang Hu:
Mining High Utility Itemsets Using Prefix Trees and Utility Vectors. IEEE Trans. Knowl. Data Eng. 35(10): 10224-10236 (2023) - [j26]Ke Sun, Tieyun Qian, Chenliang Li, Xuan Ma, Qing Li, Ming Zhong, Yuanyuan Zhu, Mengchi Liu:
Pre-Training Across Different Cities for Next POI Recommendation. ACM Trans. Web 17(4): 31:1-31:27 (2023) - [c79]Jiamei Feng, Mengchi Liu, Song Hong, Shihao Song:
A Novel Variational Autoencoder with Multi-position Latent Self-attention and Actor-Critic for Recommendation. ADMA (1) 2023: 155-167 - [c78]Jiamei Feng, Mengchi Liu, Tingkun Nie, Caixia Zhou:
Multi-Sampling Item Response Ranking Neural Cognitive Diagnosis with Bilinear Feature Interaction. KSEM (1) 2023: 102-113 - [i4]Junyong Yang, Ming Zhong, Yuanyuan Zhu, Tieyun Qian, Mengchi Liu, Jeffrey Xu Yu:
Scalable Time-Range k-Core Query on Temporal Graphs(Full Version). CoRR abs/2301.03770 (2023) - [i3]Ming Zhong, Junyong Yang, Yuanyuan Zhu, Tieyun Qian, Mengchi Liu, Jeffrey Xu Yu:
Towards a "Swiss Army Knife" for Scalable User-Defined Temporal (k, X)-Core Analysis. CoRR abs/2309.00361 (2023) - 2022
- [j25]Liu Chen, Ali Davoudian, Mengchi Liu:
A workload-driven method for designing aggregate-oriented NoSQL databases. Data Knowl. Eng. 142: 102089 (2022) - 2021
- [j24]Ali Davoudian, Mengchi Liu:
Big Data Systems: A Software Engineering Perspective. ACM Comput. Surv. 53(5): 110:1-110:39 (2021) - [j23]Ali Davoudian, Liu Chen, Hongwei Tu, Mengchi Liu:
A Workload-Adaptive Streaming Partitioner for Distributed Graph Stores. Data Sci. Eng. 6(2): 163-179 (2021) - 2020
- [j22]Junchi Zhang, Mengchi Liu, Yue Zhang:
Topic-informed neural approach for biomedical event extraction. Artif. Intell. Medicine 103: 101783 (2020) - [j21]Jun-Feng Qu, Philippe Fournier-Viger, Mengchi Liu, Bo Hang, Feng Wang:
Mining high utility itemsets using extended chain structure and utility machine. Knowl. Based Syst. 208: 106457 (2020)
2010 – 2019
- 2019
- [j20]Junchi Zhang, Yue Zhang, Donghong Ji, Mengchi Liu:
Multi-task and multi-view training for end-to-end relation extraction. Neurocomputing 364: 245-253 (2019) - [j19]Ting Yu, Mengchi Liu:
A memory efficient maximal clique enumeration method for sparse graphs with a parallel implementation. Parallel Comput. 87: 46-59 (2019) - [c77]Junchi Zhang, Yanxia Qin, Yue Zhang, Mengchi Liu, Donghong Ji:
Extracting Entities and Events as a Single Task Using a Transition-Based Neural Model. IJCAI 2019: 5422-5428 - 2018
- [j18]Ali Davoudian, Liu Chen, Mengchi Liu:
A Survey on NoSQL Stores. ACM Comput. Surv. 51(2): 40:1-40:43 (2018) - [j17]Jun-Feng Qu, Mengchi Liu, Chunsheng Xin, Zhongbo Wu:
Fast Identification of High Utility Itemsets from Candidates. Inf. 9(5): 119 (2018) - 2017
- [j16]Ting Yu, Mengchi Liu:
A linear time algorithm for maximal clique enumeration in large sparse graphs. Inf. Process. Lett. 125: 35-40 (2017) - 2015
- [c76]Xuhui Li, Zhengqi Liu, Mengchi Liu, Xiaoying Wu, Shanfeng Zhu:
Towards a Pattern-Based Query Language for Document Databases. DASFAA Workshops 2015: 320-325 - [c75]Liu Chen, Mengchi Liu, Ting Yu:
A Schema-Less Data Model for the Web. ER 2015: 577-584 - [c74]Liu Chen, Ting Yu, Mengchi Liu:
A Semantic Graph Model. OTM Conferences 2015: 378-396 - [c73]Xuhui Li, Yijun Guan, Mengchi Liu, Rui Cai, Ming Zhong, Tieyun Qian:
LDM: A DTD Schema Mapping Language Based on Logic Patterns. WAIM 2015: 559-562 - [i2]Xuhui Li, Mengchi Liu, Xiaoying Wu, Shanfeng Zhu:
Design Issues of JPQ: a Pattern-based Query Language for Document Databases. CoRR abs/1504.03770 (2015) - 2014
- [c72]Jie Hu, Mengchi Liu, Junchi Zhang:
A semantic model for academic social network analysis. ASONAM 2014: 310-313 - [c71]Jie Hu, Liu Chen, Shuang Qiu, Mengchi Liu:
A New Approach for N-ary Relationships in Object Databases. ER 2014: 209-222 - [c70]Mengchi Liu, Jie Hu, Liu Chen, Xuhui Li:
Representing Hierarchical Relationships in INM. ER 2014: 297-304 - [i1]Xuhui Li, Mengchi Liu, Shanfeng Zhu, Arif Ghafoor:
XTQ: A Declarative Functional XML Query Language. CoRR abs/1406.1224 (2014) - 2013
- [j15]Ming Zhong, Mengchi Liu, Yanxiang He:
3SEPIAS: A Semi-Structured Search Engine for Personal Information in dAtaspace System. Inf. Sci. 218: 31-50 (2013) - [j14]Fang Dong, Mengchi Liu, Kun Ma:
Web Entities Extraction Based on Semi-Structured Semantic Database. J. Networks 8(7): 1640-1646 (2013) - [c69]Ming Zhong, Mengchi Liu, Zhifeng Bao, Xuhui Li, Tieyun Qian:
MVP Index: Towards Efficient Known-Item Search on Large Graphs. DASFAA (1) 2013: 193-200 - [c68]Xuhui Li, Shanfeng Zhu, Mengchi Liu, Ming Zhong:
Presenting XML Schema Mapping with Conjunctive-Disjunctive Views. WAIM 2013: 105-110 - 2012
- [c67]Mengchi Liu, Jun-Feng Qu:
Mining high utility itemsets without candidate generation. CIKM 2012: 55-64 - [c66]Jun-Feng Qu, Mengchi Liu:
A Fast Algorithm for Frequent Itemset Mining Using Patricia* Structures. DaWaK 2012: 205-216 - [c65]Jun-Feng Qu, Mengchi Liu:
Mining Frequent Itemsets Using Node-Sets of a Prefix-Tree. DEXA (1) 2012: 453-467 - [c64]Jun-Feng Qu, Mengchi Liu:
A High-Performance Algorithm for Frequent Itemset Mining. WAIM 2012: 71-82 - [c63]Ming Zhong, Mengchi Liu:
A distributed index for efficient parallel top-k keyword search on massive graphs. WIDM 2012: 27-32 - 2011
- [c62]Mengchi Liu, Gillian Dobbie, Tok Wang Ling:
What Have We Learnt from Deductive Object-Oriented Database Research? DASFAA (1) 2011: 16-21 - 2010
- [c61]Xuhui Li, Mengchi Liu, Yongfa Zhang:
Towards a "More Declarative" XML Query Language. DEXA (2) 2010: 375-390 - [c60]Jie Hu, Qingchuan Fu, Mengchi Liu:
Query Processing in INM Database System. WAIM 2010: 525-536 - [c59]Xuhui Li, Mengchi Liu, Arif Ghafoor, Phillip C.-Y. Sheu:
A Pattern-Based Temporal XML Query Language. WISE 2010: 428-441
2000 – 2009
- 2009
- [c58]Ming Zhong, Mengchi Liu:
3se: a semi-structured search engine for heterogeneous data in graph model. CIKM 2009: 1405-1408 - [c57]Jie Hu, Mengchi Liu:
Modeling context-dependent information. CIKM 2009: 1669-1672 - [c56]Mengchi Liu, Jie Hu:
Modeling Complex Relationships. DEXA 2009: 719-726 - [c55]Ming Zhong, Mengchi Liu:
A Flexible Data Warehousing Approach for One-Stop Querying on Heterogeneous Personal Information. DEXA Workshops 2009: 412-416 - [c54]Mengchi Liu, Jie Hu:
Information Networking Model. ER 2009: 131-144 - [c53]Ming Zhong, Mengchi Liu:
Efficient keyword proximity search using a frontier-reduce strategy based on d-distance graph index. IDEAS 2009: 206-216 - 2008
- [j13]Mengchi Liu:
DTD schema: a simple but powerful XML schema language. Int. J. Web Inf. Syst. 4(4): 465-483 (2008) - [c52]Xuhui Li, Mengchi Liu:
Design issues of XTQ language. CIT 2008: 161-166 - [c51]Ming Zhong, Mengchi Liu, Qian Chen:
Modeling heterogeneous data in dataspace. IRI 2008: 404-409 - 2005
- [c50]Shan Wei, Mengchi Liu:
Making DTD a Truly Powerful Schema Language. APWeb 2005: 333-338 - [c49]Guoren Wang, Mengchi Liu:
Extending XML with Nonmonotonic Multiple Inheritance. DASFAA 2005: 323-334 - 2004
- [c48]Shijun Li, Zhiyong Peng, Mengchi Liu:
Extraction and Integration Information in HTML Tables. CIT 2004: 315-320 - [c47]Shijun Li, Mengchi Liu, Guoren Wang, Zhiyong Peng:
Capturing Semantic Hierarchies to Perform Meaningful Integration in HTML Tables. APWeb 2004: 899-902 - [c46]Zhuo Chen, Tok Wang Ling, Mengchi Liu, Gillian Dobbie:
XTree for Declarative XML Querying. DASFAA 2004: 100-112 - [c45]Jun Zhou, Mengchi Liu, Yiwen Liang:
SSUI: Semantic Search User Interface for Intelligent Information System. Databases and Applications 2004: 280-285 - [c44]Iiris Qi, Mengchi Liu:
Design and Implementation of XML-RL Query System. Databases and Applications 2004: 286-292 - [c43]Wanxia Wei, Mengchi Liu, Shijun Li:
Merging of XML Documents. ER 2004: 273-285 - [c42]Tao Fu, Mengchi Liu:
A Gateway from HTML to XML. IDEAS 2004: 205-21 - [c41]Shijun Li, Mengchi Liu, Tok Wang Ling, Zhiyong Peng:
Automatic HTML to XML Conversion. WAIM 2004: 714-719 - [c40]Mengchi Liu, Guoren Wang, Tok Wang Ling:
Making XML an Information Modeling Language. WISE 2004: 18-28 - [c39]Shijun Li, Mengchi Liu, Zhiyong Peng:
Wrapping HTML Tables into XML. WISE 2004: 147-152 - 2003
- [j12]Mengchi Liu:
Extending Datalog with Declarative Updates. J. Intell. Inf. Syst. 20(2): 107-129 (2003) - [j11]Mengchi Liu:
DrawCAD: using deductive object-relational databases in CAD. Softw. Pract. Exp. 33(2): 143-172 (2003) - [c38]Li Lu, Mengchi Liu, Guoren Wang:
XML-RL Update Language. CAiSE Short Paper Proceedings 2003 - [c37]Guoren Wang, Mengchi Liu:
Query Processing and Optimization for Regular Path Expressions. CAiSE 2003: 30-45 - [c36]Guoren Wang, Mengchi Liu:
Extending XML Schema with Nonmonotonic Inheritance. ER (Workshops) 2003: 402-407 - [c35]Mengchi Liu, Li Lu, Guoren Wang:
A Declarative XML-RL Update Language. ER 2003: 506-519 - [c34]Guoren Wang, Mengchi Liu, Li Lu:
Extending XML-RL with Update. IDEAS 2003: 66-75 - [c33]Guoren Wang, Mengchi Liu, Jeffrey Xu Yu, Bing Sun, Ge Yu, Jianhua Lv, Hongjun Lu:
Effective Schema-Based XML Query Optimization Techniques. IDEAS 2003: 230-235 - [c32]Xiaofei Jia, Mengchi Liu:
Towards an Intelligent Information System. SBBD 2003: 142-156 - [c31]Guoren Wang, Mengchi Liu:
Logical Foundation for Updating XML. WAIM 2003: 80-91 - 2002
- [j10]Mengchi Liu, Gillian Dobbie, Tok Wang Ling:
A logical foundation for deductive object-oriented databases. ACM Trans. Database Syst. 27(1): 117-151 (2002) - [c30]Mengchi Liu:
A Logical Foundation for XML. CAiSE 2002: 568-583 - [c29]Mengchi Liu:
Capturing Semantics in HTML Documents. DEXA 2002: 103-112 - [c28]Mengchi Liu, Tok Wang Ling:
Towards Declarative XML Querying. WISE 2002: 127-138 - 2001
- [j9]Mengchi Liu:
The Relationlog system prototype. Softw. Pract. Exp. 31(5): 409-443 (2001) - [j8]Mengchi Liu, Tok Wang Ling:
A Conceptual Model and Rule-Based Query Language for HTML. World Wide Web 4(1-2): 49-77 (2001) - [c27]Mengchi Liu, Tok Wang Ling:
A Rule-Based Query Language for HTML. DASFAA 2001: 6-13 - [c26]Mengchi Liu, Gillian Dobbie, Tok Wang Ling:
A Logical Foundation for Deductive Object-Oriented Databases. DASFAA 2001: 116-123 - [c25]Mengchi Liu, Shilpesh Katragadda:
DrawCAD: Using Deductive Object-Relational Databases in CAD. DEXA 2001: 481-490 - [c24]Mengchi Liu:
Pluto: An Object-Oriented Logic Programming Language. TOOLS (39) 2001: 153-163 - 2000
- [j7]Mengchi Liu:
Design and Implementation of the ROL Deductive Object-Oriented Database System. J. Intell. Inf. Syst. 15(2): 121-146 (2000) - [c23]Mengchi Liu:
Extending Datalog with Deductive Databases. DEXA 2000: 752-763 - [c22]Xindong Li, Mengchi Liu:
Design and Implementation of the OLOG Deductive Object-Oriented Database Management System. DEXA 2000: 764-773 - [c21]Mengchi Liu, Tok Wang Ling:
A Data Model for Semistructured Data with Partial and Inconsistent Information. EDBT 2000: 317-331 - [c20]Mengchi Liu, Tok Wang Ling:
A Conceptual Model for the Web. ER 2000: 225-238 - [c19]Julia Ann Johnson, Mengchi Liu, Hong Chen:
Unification of Knowledge Discovery and Data Mining Using Rough Sets Approach in a Real-World Application. Rough Sets and Current Trends in Computing 2000: 330-337
1990 – 1999
- 1999
- [j6]Mengchi Liu:
Deductive Database Languages: Problems and Solutions. ACM Comput. Surv. 31(1): 27-62 (1999) - [c18]Mengchi Liu:
Partial and Complete Tuples and Sets in Deductive Databases. ADBIS (Short Papers) 1999: 200-206 - [c17]Mengchi Liu:
Query Processing in Relationlog. DEXA 1999: 342-351 - [c16]Mengchi Liu, Tok Wang Ling, Tao Guan:
Integration of Semistructured Data with Partial and Inconsistent Information. IDEAS 1999: 44-52 - [c15]Mengchi Liu:
OLOG: A Deductive Object Database Language. NGITS 1999: 120-137 - [c14]Mengchi Liu:
Overview of the ROL2 Deductive Object-Oriented Database System. TOOLS (30) 1999: 63- - 1998
- [j5]Mengchi Liu:
The ROL Deductive Object-Oriented Database System. Informatica (Slovenia) 22(1) (1998) - [j4]Mengchi Liu:
An Overview of the Rule-Based Object Language. J. Intell. Inf. Syst. 10(1): 5-29 (1998) - [j3]Mengchi Liu:
Relationlog: A Typed Extension to Datalog with Sets and Tuples. J. Log. Program. 36(3): 271-299 (1998) - [c13]Riqiang Shan, Mengchi Liu:
Introduction to the Relationlog System. DDLP 1998: 71-84 - [c12]Mengchi Liu:
Overview of Datalog Extensions. DDLP 1998: 99-112 - [c11]Mengchi Liu:
Logical Semantics and Languages for Databases with Partial and Complete Tuples and Sets. DDLP 1998: 141-155 - [c10]Mengchi Liu:
Incorporating Methods and Encapsulation into Deductive Object-Oriented Database Languages. DEXA 1998: 892-902 - [c9]Mengchi Liu, Riqiang Shan:
Design and Implementation of the Relationlog Deductive Database System. DEXA Workshop 1998: 856-863 - [c8]Mengchi Liu, Min Guo:
ROL2: A Real Deductive Object-Oriented Database Language. ER 1998: 302-315 - [c7]Mengchi Liu, Weidong Yu, Min Guo, Riqiang Shan:
ROL: A Prototype for Deductive and Object-Oriented Databases (Demo). ICDE 1998: 598 - 1997
- [c6]Mengchi Liu:
Supporting Partial and Complete Sets and Tuples in Deductive Databases. ICLP 1997: 415 - [c5]Mengchi Liu, Weidong Yu:
Query Processing in the ROL system. IDEAS 1997: 327-336 - 1996
- [j2]Mengchi Liu:
ROL: A Deductive Object Base Language. Inf. Syst. 21(5): 431-457 (1996) - [c4]Mengchi Liu:
An Overview of the ROL Language. CODAS 1996: 451-458 - [c3]Mengchi Liu:
The ROL Deductive Object Base Language. DEXA Workshop 1996: 122-131 - [c2]Mengchi Liu:
The LOL Deductive Database Programming Language (Extended Abstract). PLILP 1996: 454-468 - 1995
- [j1]Mengchi Liu:
HLO: A Higher-Order Deductive Object-Oriented Database Language. Informatica (Slovenia) 19(3) (1995) - [c1]Mengchi Liu:
Relationlog: A Typed Extension to Datalog with Sets and Tuples (Extended Abstract). ILPS 1995: 83-97
Coauthor Index
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