Yangjun Chen

According to our database, Yangjun Chen authored at least 107 papers between 1991 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Evaluation of Reachability Queries Based on Recursive DAG Decomposition.

Yangjun Chen, Yibin Chen, Yifeng Zhang

IEEE Trans. Knowl. Data Eng., August, 2023

On the Multiple Pattern String Matching in DNA Databases.

Yangjun Chen, Bobin Chen, Yujia Wu

SN Comput. Sci., May, 2023

2022

The 2-MAXSAT Problem Can Be Solved in Polynomial Time.

Yangjun Chen

Proceedings of the International Conference on Computational Science and Computational Intelligence, 2022

2021

Graph Indexing for Efficient Evaluation of Label-constrained Reachability Queries.

Yangjun Chen, Gagandeep Singh

ACM Trans. Database Syst., 2021

On the String Matching with k Differences in DNA Databases.

Yangjun Chen, Hoang Hai Nguyen

Proc. VLDB Endow., 2021

2020

δ-Transitive closures and triangle consistency checking: a new way to evaluate graph pattern queries in large graph databases.

Yangjun Chen, Bin Guo, Xingyue Huang

J. Supercomput., 2020

2019

Introducing Cuts Into a Top-Down Process for Checking Tree Inclusion.

Yangjun Chen, Yibin Chen

IEEE Trans. Knowl. Data Eng., 2019

2018

On the string matching with <i>k</i> mismatches.

Yangjun Chen, Yujia Wu

Theor. Comput. Sci., 2018

On the Designing of Popular Packages.

Yangjun Chen, Wei Shi

Proceedings of the IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, 2018

2017

Integrating Clustering and Sequential Analysis to Explore Students' Behaviors in an Online Chinese Reading Assessment System.

Liansheng Jia, Hercy N. H. Cheng, Sannyuya Liu, Wang-Chen Chang, Yangjun Chen, Jianwen Sun

Proceedings of the 6th IIAI International Congress on Advanced Applied Informatics, 2017

Evaluating Children's Composition Based on Chinese Linguistic Features with Machine Learning.

Yangjun Chen, Calvin C. Y. Liao, Sannyuya Liu, Hercy N. H. Cheng, Liansheng Jia, Jianwen Sun

Proceedings of the 6th IIAI International Congress on Advanced Applied Informatics, 2017

BWT Arrays and Mismatching Trees: A New Way for String Matching with k Mismatches.

Yangjun Chen, Yujia Wu

Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

Searching BWT against Pattern Matching Machine to Find Multiple String Matches.

Yangjun Chen, Yujia Wu

Proceedings of the 2017 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery, 2017

2016

An efficient method to evaluate intersections on big data sets.

Yangjun Chen, Weixin Shen

Theor. Comput. Sci., 2016

On the massive string matching problem.

Yangjun Chen, Yujia Wu

Proceedings of the 12th International Conference on Natural Computation, 2016

2015

Tree Inclusion Checking Revisited.

Yangjun Chen, Yibin Chen

Proceedings of the DATA 2015, 2015

2014

On the Graph Decomposition.

Yangjun Chen, Yibin Chen

Proceedings of the 2014 IEEE Fourth International Conference on Big Data and Cloud Computing, 2014

2012

Subtree Reconstruction, Query Node Intervals and Tree Pattern Query Evaluation.

Yangjun Chen, Yibin Chen

J. Inf. Sci. Eng., 2012

2011

Unordered tree matching and ordered tree matching: the evaluation of tree pattern queries.

Yangjun Chen, Leping Zou

Int. J. Inf. Technol. Commun. Convergence, 2011

On the top-down evaluation of tree inclusion problem.

Yangjun Chen, Yibin Chen

Int. J. Inf. Technol. Commun. Convergence, 2011

Decomposing DAGs into spanning trees: A new way to compress transitive closures.

Yangjun Chen, Yibin Chen

Proceedings of the 27th International Conference on Data Engineering, 2011

2010

A time optimal algorithm for evaluating tree pattern queries.

Yangjun Chen

Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), 2010

Data Stream Transformation and Query Node Arrays: A New Way to Evaluate Tree Pattern Queries.

Yangjun Chen

Proceedings of the 2010 International Conference on Information & Knowledge Engineering, 2010

Recursive Graph Deduction and Reachability Queries.

Yangjun Chen

Proceedings of the 2010 International Conference on Foundations of Computer Science, 2010

2009

Document Tree Reconstruction and Fast Twig Pattern Matching.

Yangjun Chen

Proceedings of the 2009 International Conference on Information & Knowledge Engineering, 2009

Unordered Tree Matching and Tree Pattern Queries in XML Databases.

Yangjun Chen

Proceedings of the ICSOFT 2009, 2009

General Spanning Trees and Core Labeling.

Yangjun Chen

Proceedings of the ICSOFT 2009, 2009

Directed Acyclic Graphs and Disjoint Chains.

Yangjun Chen

Proceedings of the ICEIS 2009, 2009

Decomposing a Partially Ordered Set into Chains.

Yangjun Chen

Proceedings of the 2009 International Conference on Foundations of Computer Science, 2009

Bottom-Up Evaluation of Twig Join Pattern Queries in XML Document Databases.

Yangjun Chen

Proceedings of the Database and Expert Systems Applications, 20th International Conference, 2009

XPath query evaluation based on the stack encoding.

Yangjun Chen, Donovan Cooke

Proceedings of the Canadian Conference on Computer Science & Software Engineering, 2009

General spanning trees and reachability query evaluation.

Yangjun Chen

Proceedings of the Canadian Conference on Computer Science & Software Engineering, 2009

2008

An Efficient Streaming Algorithm for Evaluating XPath Queries.

Yangjun Chen

Proceedings of the WEBIST 2008, 2008

Evaluation of Twig Pattern Queries Based on Ordered Tree Matching.

Yangjun Chen, Donovan Cooke

Proceedings of the 4th IEEE International Conference on Signal Image Technology and Internet Based Systems, 2008

Core Labeling: A New Way to Compress Transitive Closure.

Yangjun Chen, Yibin Chen

Proceedings of the 4th IEEE International Conference on Signal Image Technology and Internet Based Systems, 2008

Tree Embedding and XML Query Evaluation.

Yangjun Chen

Proceedings of the ICEIS 2008, 2008

An Efficient Algorithm for Answering Graph Reachability Queries.

Yangjun Chen, Yibin Chen

Proceedings of the 24th International Conference on Data Engineering, 2008

On the Evaluation of Large and Sparse Graph Reachability Queries.

Yangjun Chen

Proceedings of the Database and Expert Systems Applications, 19th International Conference, 2008

A new method for generating compressed representation of transitive closure.

Yangjun Chen

Proceedings of the Canadian Conference on Computer Science & Software Engineering, 2008

2007

Stack Encoding Revisited.

Yangjun Chen

Proceedings of the WEBIST 2007, 2007

Tree Encoding and Transitive Closure Compression.

Yangjun Chen

Proceedings of the 11th International Conference on Information Visualisation, 2007

A new algorithm for twig pattern matching.

Yangjun Chen

Proceedings of the ICEIS 2007, 2007

Decomposing DAGs into Disjoint Chains.

Yangjun Chen

Proceedings of the Database and Expert Systems Applications, 18th International Conference, 2007

2006

On the Signature Tree Construction and Analysis.

Yangjun Chen, Yibin Chen

IEEE Trans. Knowl. Data Eng., 2006

Minimization of XML Tree Pattern Queries in the Presence of Integrity Constraints.

Yangjun Chen, Dunren Che

J. Adv. Comput. Intell. Intell. Informatics, 2006

Efficient Processing of XML Tree Pattern Queries.

Yangjun Chen, Dunren Che

J. Adv. Comput. Intell. Intell. Informatics, 2006

A new tree inclusion algorithm.

Yangjun Chen, Yibin Chen

Inf. Process. Lett., 2006

On the cost of searching signature trees.

Yangjun Chen

Inf. Process. Lett., 2006

Rule-Based Query Tree Evaluation over Fragmented XML Documents.

Ron McFadyen, Yangjun Chen

Proceedings of the WEBIST 2006, 2006

Tree inclusion algorithm, signatures and evaluation of path-oriented queries.

Yangjun Chen, Yong Shi, Yibin Chen

Proceedings of the 2006 ACM Symposium on Applied Computing (SAC), 2006

On the transitive closure representation and adjustable compression.

Yangjun Chen, Donovan Cooke

Proceedings of the 2006 ACM Symposium on Applied Computing (SAC), 2006

On the evaluation of tree pattern queries.

Yangjun Chen

Proceedings of the ICSOFT 2006, 2006

On the Query Evaluation in Document DBs.

Yangjun Chen

Proceedings of the Database and Expert Systems Applications, 17th International Conference, 2006

On the top-down tree inclusion.

Yangjun Chen, Yibin Chen

Proceedings of the IASTED International Conference on Advances in Computer Science and Technology, 2006

2005

XML-Based Evaluation of Synthesized Queries.

Ron McFadyen, Yangjun Chen, Fung-Yee Chan

Proceedings of the WEBIST 2005, 2005

On the Tree Inclusion and Query Evaluation in Document Databases.

Yangjun Chen, Yibin Chen

Proceedings of the ICEIS 2005, 2005

On the Signature Trees and Balanced Signature Trees.

Yangjun Chen

Proceedings of the 21st International Conference on Data Engineering, 2005

On the General Signature Trees.

Yangjun Chen

Proceedings of the Database and Expert Systems Applications, 16th International Conference, 2005

Signature Files and Signature File Construction.

Yangjun Chen, Yong Shi

Proceedings of the Encyclopedia of Database Technologies and Applications, 2005

Path-Oriented Queries and Tree Inclusion Problems.

Yangjun Chen

Proceedings of the Encyclopedia of Database Technologies and Applications, 2005

Graph Encoding and Recursion Computation.

Yangjun Chen

Proceedings of the Encyclopedia of Information Science and Technology (5 Volumes), 2005

2004

Building Signature Trees into OODBs.

Yangjun Chen

J. Inf. Sci. Eng., 2004

Signature file hierarchies and signature graphs: a new index method for object-oriented databases.

Yangjun Chen, Yibin Chen

Proceedings of the 2004 ACM Symposium on Applied Computing (SAC), 2004

A new algorithm for computing transitive closures.

Yangjun Chen

Proceedings of the 2004 ACM Symposium on Applied Computing (SAC), 2004

Efficient Top-down Algorithms for Tree Inclusion.

Yangjun Chen, Yibin Chen

Proceedings of the 18th Annual Symposium on High Performance Computing Systems and Applications, 2004

Privilege algebra for access control in digital libraries.

Ron McFadyen, Yangjun Chen, Fung-Yee Chan

Proceedings of the IASTED International Conference on Communications, Internet, and Information Technology, November 22, 2004

2003

On the Graph Traversal and Linear Binary-Chain Programs.

Yangjun Chen

IEEE Trans. Knowl. Data Eng., 2003

A New Algorithm for Transitive Closures and Computation of Recursion in relational Databases.

Yangjun Chen

Proceedings of the Seventh International Conference on Information Visualization, 2003

Graph Decomposition and Recursive Closures.

Yangjun Chen

Proceedings of the 15th Conference on Advanced Information Systems Engineering (CAiSE '03), 2003

A DTD Complexity Metric.

Ron McFadyen, Yangjun Chen

Proceedings of the 21st IASTED International Multi-Conference on Applied Informatics (AI 2003), 2003

Building Signature-Trees on Path Signatures in Document Databases.

Yangjun Chen, Gerald Huck

Proceedings of the Effective Databases for Text & Document Management., 2003

On the Computation of Recursion in Relational Databases.

Yangjun Chen

Proceedings of the Effective Databases for Text & Document Management., 2003

2002

Signature files and signature trees.

Yangjun Chen

Inf. Process. Lett., 2002

Personal Web Space.

Yangjun Chen, Tony Liu, Paul G. Sorenson

Proceedings of the 22nd International Conference on Distributed Computing Systems, 2002

On the efficient evaluation of relaxed queries in biological databases.

Yangjun Chen, Dunren Che, Karl Aberer

Proceedings of the 2002 ACM CIKM International Conference on Information and Knowledge Management, 2002

2001

Mapping DTDs to Object-Oriented Schemas.

Yangjun Chen, Ron McFadyen, Fung-Yee Chan

Proceedings of the 2nd International Conference on Web Information Systems Engineering, 2001

On the Evaluation of Path-Oriented Queries in Document Databases.

Yangjun Chen, Gerald Huck

Proceedings of the Database and Expert Systems Applications, 12th International Conference, 2001

2000

Integrating Heterogeneous OO Schemas.

Yangjun Chen

J. Inf. Sci. Eng., 2000

A Systematic Method for Query Evaluation in Distributed Heterogeneous Databases.

Yangjun Chen

J. Inf. Sci. Eng., 2000

1999

On the arc consistency problem.

Yangjun Chen

J. Comput. Sci. Technol., 1999

Arc Consistency Revisited.

Yangjun Chen

Inf. Process. Lett., 1999

The Design of Query Interfaces to the GPCRDB Biological Database.

Dunren Che, Karl Aberer, Yangjun Chen

Proceedings of the 1999 User Interfaces to Data Intensive Systems, 1999

The Advanced Web Query System of GPCRDB.

Dunren Che, Yangjun Chen, Karl Aberer, Hannelore Eisner

Proceedings of the 11th International Conference on Scientific and Statistical Database Management, 1999

A Query System in a Biological Database.

Dunren Che, Yangjun Chen, Karl Aberer

Proceedings of the 11th International Conference on Scientific and Statistical Database Management, 1999

Integrating Heterogeneous OO Schemas.

Yangjun Chen, Wolfgang Benn

Proceedings of the 15th International Conference on Data Engineering, 1999

Combining Pat-Trees and Signature Files for Query Evaluation in Document Databases.

Yangjun Chen, Karl Aberer

Proceedings of the Database and Expert Systems Applications, 10th International Conference, 1999

1998

Graph traversal and top-down evaluation of logic queries.

Yangjun Chen

J. Comput. Sci. Technol., 1998

Evaluating Linear Binary Programs by Traversing Automaton Hierarchy.

Yangjun Chen

Proceedings of the 6th International Workshop on Deductive Databases and Logic Programming (DDLP'98). In Conjunction with JICSLP'98, 1998

Query Evaluation for Distributed Heterogeneous Relational Databases.

Yangjun Chen, Wolfgang Benn

Proceedings of the 3rd IFCIS International Conference on Cooperative Information Systems, 1998

Layered Index Structures in Document Database Systems.

Yangjun Chen, Karl Aberer

Proceedings of the 1998 ACM CIKM International Conference on Information and Knowledge Management, 1998

1997

Counting and topological order.

Yangjun Chen

J. Comput. Sci. Technol., 1997

Magic sets revisited.

Yangjun Chen

J. Comput. Sci. Technol., 1997

Magic sets and stratified databases.

Yangjun Chen

Int. J. Intell. Syst., 1997

Building DD to Support Query Processing in Federated Systems.

Yangjun Chen, Wolfgang Benn

Proceedings of the Intelligent Access to Heterogeneous Information, 1997

Multidatabase Query Optimization: Tree Balance and Node Allocation.

Yangjun Chen, Wolfgang Benn

Proceedings of the International Database Engineering and Applications Symposium, 1997

On the Query Treatment in Federated Systems.

Yangjun Chen, Wolfgang Benn

Proceedings of the Database and Expert Systems Applications, 8th International Conference, 1997

Poster on Rule-based Technology for Schema Transformation.

Yangjun Chen, Wolfgang Benn

Proceedings of the Second IFCIS International Conference on Cooperative Information Systems, 1997

Speeding up the Counting Method by Computing Heritage Functions in Topological Order.

Yangjun Chen

Proceedings of the First East-European Symposium on Advances in Databases and Information Systems (ADBIS'97), 1997

1996

On the bottom - up evaluation of recursive queries.

Yangjun Chen

Int. J. Intell. Syst., 1996

On the Query Translation in Federative Relational Databases.

Yangjun Chen, Wolfgang Benn

Proceedings of the Seventh International Workshop on Database and Expert Systems Applications, 1996

On the Query Optimization in Multidatabases.

Yangjun Chen, Wolfgang Benn

Proceedings of the International Symposium on Cooperative Database Systems for Advanced Applications, 1996

A Rule-based Strategy for Transforming Relational Schemas into OO Schemas.

Yangjun Chen, Wolfgang Benn

Proceedings of the International Symposium on Cooperative Database Systems for Advanced Applications, 1996

1995

Processing of recursive rules in knowledge-based systems - algorithms for handling recursive rules and negative information and performance measurements.

Yangjun Chen

PhD thesis, 1995

1994

On the Optimal Top-down Evaluation of Recursive Queries.

Yangjun Chen, Theo Härder

Proceedings of the Database and Expert Systems Applications, 5th International Conference, 1994

An Optimal Graph Traversal Algorithm for Evaluating Linear Binary-Chain Programs.

Yangjun Chen, Theo Härder

Proceedings of the Third International Conference on Information and Knowledge Management (CIKM'94), Gaithersburg, Maryland, USA, November 29, 1994

1993

A Bottom-up Query Evaluation Method for Stratified Databases.

Yangjun Chen

Proceedings of the Ninth International Conference on Data Engineering, 1993

1991

Improving Han and Lee's path consistency algorithm.

Yangjun Chen

Proceedings of the Third International Conference on Tools for Artificial Intelligence, 1991