SIERRA: A Counterfactual Thinking-based Visual Interface for Property Graph Query Construction

In the Proceedings of 50th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2024)

ACM Press, Santiago, Chile (Demo)

[Video]

Cognitive Psychology Meets Data Management: State of the Art and Future Directions

In the Proceedings of 50th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2024)

ACM Press, Santiago, Chile (Tutorial)

Using a Conceptual Model in Plug-and-play SQL

In the Proceedings of 42nd International Conference on Conceptual Modeling (ER 2023)

Springer-Verlag, Lisbon, Portugal.

Technical Report

Best Student Paper Award

Code

To Draw Is Human: Toward No-Code Subgraph Search

Communication of the ACM (CACM), 66(7), ACM.

Theories and Principles Matter: Towards Visually Appealing and Effective Abstraction of Property Graph Queries

In the Proceedings of 49th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2023)

ACM Press, Seattle, USA.

Plug-and-Play Visual Subgraph Query Interfaces

Synthesis Lectures on Data Management

pp. 1-170, Springer, ISBN 978-3-031-16162-9.

VOYAGER: Automatic Computation of Visual Complexity and Aesthetics of Graph Query Interfaces

In Proceedings of the 26th International Conference on Extended Database Technology (EDBT 2023)

Ioannina, Greece (Demo).

Generating Plugs and Data Sockets for Plug-and-Play Database Web Services

In Proceedings of the 28th International Conference on Cooperative Information Systems (COOPIS 2022)

Springer, Bozen-Bolzano, Italy.

SENSOR: Data-driven Construction of Sketch-based Visual Query Interfaces for Time Series Data

In Proceedings of 48th International Conference on Very Large Data Bases (VLDB 2022)

ACM Press, Sydney, Australia (Demo).

Video

Data-driven Visual Query Interfaces for Graphs: Past, Present, and (Near) Future

In the Proceedings of 48th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2022)

ACM Press, Philadelphia, USA (Tutorial).

Part 1, Part 2, Part 3

PLAYPEN: Plug-and-Play Visual Graph Query Interfaces for Top-down and Bottom-Up Search on Large Networks.

In the Proceedings of 48th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2022)

ACM Press, Philadelphia, USA (Demo).

Video

FLAG: Towards Graph Query Autocompletion for Large Graphs

Data Science and Engineering (DSE), 7(2), Springer-Verlag

GFocus: User Focus-based Graph Query Autocompletion

IEEE Transactions on Data and Knowledge Engineering (TKDE), 34(4), IEEE CS

Towards Plug-and-Play Visual Graph Query Interfaces: Data-driven Canned Pattern Selection for Large Networks

In Proceedings of 47th International Conference on Very Large Data Bases (VLDB 2021)

ACM Press, Copenhagen, Denmark.

Technical Report

Video

MIDAS: Towards Efficient and Effective Maintenance of Canned Patterns in Visual Graph Query Interfaces

In the Proceedings of 47th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2021)

ACM Press, Xi'an, China.

Technical Report

Code

FERRARI: An Efficient Framework for Visual Exploratory Subgraph Search in Graph Databases

The VLDB Journal, 29(5), Springer-Verlag.

Code

BOOMER: A Tool for Blending Visual P-Homomorphic Queries on Large Networks

In the Proceedings of 46th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2020)

ACM Press, Portland, USA (Demo).

Video

AURORA: Data-driven Construction of Visual Graph Query Interfaces for Graph Databases

In the Proceedings of 46th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2020)

ACM Press, Portland, USA (Demo).

Video

LATTE: Visual Construction of Smart Contracts

In the Proceedings of 46th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2020)

ACM Press, Portland, USA (Demo).

Video

Code

CATAPULT: Data-driven Selection of Canned Patterns for Efficient Visual Graph Query Formulation

In the Proceedings of 45th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2019)

ACM Press, Amsterdam, The Netherlands.

Code

An Indexing Framework for Efficient Visual Exploratory Subgraph Search in Graph Databases

In the Proceedings of 35th IEEE International Conference on Data Engineering (ICDE 2019)

IEEE CS, Macau, China (Short)

Technical Report

Code

FGreat: Focused Graph Query Autocompletion

In the Proceedings of 35th IEEE International Conference on Data Engineering (ICDE 2019)

IEEE CS, Macau, China (Demo)

Human Interaction with Graphs: A Visual Querying Perspective

Synthesis Lectures on Data Management, Morgan & Claypool Publishers, ISBN: 9781681733784

DOI: https://doi.org/10.2200/S00855ED1V01Y201805DTM047

pg: 1- 208.

BOOMER: Blending Visual Formulation and Processing of p-Homomorphic Queries on Large Networks

In the Proceedings of 44th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2018)

ACM Press, Houston, USA.

Talk video (unplugged)

Software Video

Visual Graph Querying

In Encyclopaedia of Big Data Technologies

Hannes Voigt, George Fletcher (Eds.), Springer.

PICASSO: Exploratory Search of Connected Subgraph Substructures in Graph Databases

In the Proceedings of 43rd International Conference on Very Large Data Bases (VLDB 2017)

Munich, Germany (Demo).

Video

VISUAL: Simulation of Visual Subgraph Query Formulation To Enable Automated Performance Benchmarking

IEEE Transactions on Data and Knowledge Engineering (TKDE), 29(8), 1765-1778, IEEE CS

AutoG: A Visual Query Autocompletion Framework for Graph Databases

The VLDB Journal, 26(3), Springer-Verlag.

Software

Graph Querying Meets HCI: State of the Art and Future Directions

In the Proceedings of 43rd ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2017)

ACM Press (Tutorial).

Slides

Data-driven Visual Graph Query Interface Construction and Maintenance: Challenges and Opportunities

In the Proceedings of 42nd International Conference on Very Large Data Bases (VLDB 2016)

New Delhi, India.

AutoG: A Visual Query Autocompletion Framework for Graph Databases

In the Proceedings of 42nd International Conference on Very Large Data Bases (VLDB 2016)

New Delhi, India (Demo).

Software

Interruption-Sensitive Empty Result Feedback: Rethinking the Visual Query Feedback Paradigm for Semistructured Data

In the Proceedings of 24th ACM International Conference on Information and Knowledge Management (CIKM 2015)

ACM Press, Melbourne, Australia

VISUAL: An HCI-inspired Simulator of Blending Visual Subgraph Query Construction and Processing

In the Proceedings of 31st IEEE International Conference on Data Engineering (ICDE 2015)

IEEE CS, Seoul, South Korea (Demo)

A Video of VISUAL

DAVINCI: Data-driven Visual Interface Construction for Subgraph Search in Graph Databases.

In the Proceedings of 31st IEEE International Conference on Data Engineering (ICDE 2015)

IEEE CS, Seoul, South Korea (Demo)

A Video of DAVINCI

DB ⋈ HCI: Towards Bridging the Chasm Between Graph Data Management and HCI

In the Proceedings of 25th International Conference on Database and Expert Systems Applications (DEXA 2014)

Springer-Verlag, Munich, Germany.

Keynote paper

QUBLE: Towards Blending Interactive Visual Subgraph Search Queries on Large Networks

The VLDB Journal (IF 1.564), 23(3), Springer-Verlag.

QUBLE: Blending Visual Subgraph Query Formulation with Query Processing on Large Networks

In the Proceedings of 39th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2013)

ACM Press, New York City, USA (Demo)

Video

VOGUE: Towards A Visual Interaction-aware Graph Query Processing Framework

In the Proceedings of 6th Biennial Conference on Innovative Data Systems Research (CIDR 2013),

ACM Press, Asilomar, California, USA

PRAGUE: Towards Blending Practical Visual Subgraph Query Formulation and Query Processing

In the Proceedings of 28th IEEE International Conference on Data Engineering (ICDE 2012)

IEEE CS, Washington, USA

Extended version

GBLENDER: Visual Subgraph Query Formulation Meets Query Processing

In the Proceedings of 37^thACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2011)

ACM Press, Athens, Greece (Demo paper)

Video

GBLENDER: Towards Blending Visual Query Formulation and Query Processing in Graph Databases

In the Proceedings of 36^thACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2010)
ACM Press, Indianapolis, USA

MUSTBLEND: Blending Visual Multi-Source Twig Query Formulation and Query Processing in RDBMS

In the Proceedings of 18th International Conference on Database Systems for Advanced Applications (DASFAA 2013),

Springer-Verlag, Wuhan, China

A Video of MUSTBLEND

XBLEND: Visual XML Query Formulation Meets Query Processing
In the Proceedings of 25^th IEEE International Conference on Data Engineering (ICDE 2009)
IEEE CS, Shanghai, China (Demo Paper)

Video

Code

Efficient XML Query Processing in RDBMS Using GUI-Driven Prefetching in a Single-User Environment
In the Proceedings of 12^th International Conference on Database Systems for Advanced Applications (DASFAA 2007)
Springer Verlag, Bangkok, Thailand

Every Click You Make, I Will Be Fetching It: Efficient XML Query Processing in RDBMS Using GUI-driven Prefetching
In the Proceedings of the 22^nd IEEE International Conference on Data Engineering (IEEE ICDE 2006)
IEEE Computer Society, Atlanta, USA (Poster Paper)

Themis: A GPU-accelerated Relational Query Execution Engine

In Proceedings of 51st International Conference on Very Large Data Bases (VLDB 2025)

ACM Press, London, United Kingdom

DKWS: A Distributed System for Keyword Search on Massive Graphs

IEEE Transactions on Data and Knowledge Engineering (TKDE), 36(5), IEEE CS

A Framework for Privacy Preserving Localized Graph Pattern Query Processing

In the Proceedings of 49th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2023)

ACM Press, Seattle, USA.

PANE: Scalable and Effective Attributed Network Embedding

The VLDB Journal, 32(6), Springer-Verlag.

Code

Special Issue on Best Papers of VLDB 2021

No PANE, No Gain: Scaling Attributed Network Embedding in a Single Server

SIGMOD Record, 51(1), ACM SIGMOD

Scaling Attributed Network Embedding to Massive Graphs

In Proceedings of 47th International Conference on Very Large Data Bases (VLDB 2021)

ACM Press, Copenhagen, Denmark.

Code

Best Research Paper Award

A Generic Ontology Framework for Indexing Keyword Search on Massive Graphs

IEEE Transactions on Data and Knowledge Engineering (TKDE), 33(6), IEEE CS

Code

Privacy Preserving Strong Simulation Queries for Large Graphs

In the Proceedings of 37th IEEE International Conference on Data Engineering (ICDE 2021)

IEEE CS, Chania, Greece

Code

Homogeneous Network Embedding for Massive Graphs via Reweighted Personalized PageRank

In Proceedings of 46th International Conference on Very Large Data Bases (VLDB 2020)

ACM Press, Tokyo, Japan.

Code

G-CARE: A Framework for Performance Benchmarking of Cardinality Estimation Techniques for Subgraph Matching

In the Proceedings of 46th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2020)

ACM Press, Portland, USA.

Code

PPKWS: An Efficient Framework for Keyword Search on Public-Private Networks

In the Proceedings of 36th IEEE International Conference on Data Engineering (ICDE 2020)

IEEE CS, Dallas, USA

Code

Path Travel Time Estimation using Attribute-related Hybrid Trajectories Network

In the Proceedings of 28th ACM International Conference on Information and Knowledge Management (CIKM 2019)

ACM Press, Beijing, China.

Efficient Estimation of Heat Kernel PageRank for Local Clustering

In the Proceedings of 45th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2019)

ACM Press, Amsterdam, The Netherlands.

Code

PANDA: A System for Partial Topology-based Search on Large Networks

In Proceedings of 44th International Conference on Very Large Data Bases (VLDB 2018)

ACM Press, Rio de Janeiro, Brazil (Demo).

Video

Code

Summarizing Static and Dynamic Big Graphs

In the Proceedings of 43rd International Conference on Very Large Data Bases (VLDB 2017)

Munich, Germany (Tutorial).

Slides

PANDA: Towards Partial Topology-based Search on Large Networks in a Single Machine

The VLDB Journal, 26(2), Springer-Verlag.

Video

Code

DualSim: Parallel Subgraph Enumeration in a Massive Graph on a Single Machine

In the Proceedings of 42nd ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2016)

ACM Press, San Francisco, USA.

Software

Structure-Preserving Subgraph Query Services

In the Proceedings of 32nd IEEE International Conference on Data Engineering (ICDE 2016)

IEEE CS, Helsinki, Finland (Extended Abstract)

Structure-Preserving Subgraph Query Services

IEEE Transactions on Data and Knowledge Engineering (TKDE) , 27(8), IEEE CS

Authenticated Subgraph Similarity Search in Outsourced Graph Databases

IEEE Transactions on Data and Knowledge Engineering (TKDE) 27(7), IEEE CS

Software

Asymmetric Structure-Preserving Subgraph Queries for Large Graph

In the Proceedings of 31st IEEE International Conference on Data Engineering (ICDE 2015)

IEEE CS, Seoul, South Korea

Software

PIGEON: Progress Indicator for Subgraph Queries

In the Proceedings of 31st IEEE International Conference on Data Engineering (ICDE 2015)

IEEE CS, Seoul, South Korea (Demo)

Towards Efficient Authenticated Subgraph Query Service in Outsourced Graph Databases

IEEE Transactions on Services Computing (TSC) ,7(4), IEEE CS

Incremental Maintenance of the Minimum Bisimulation of Cyclic Graphs

IEEE Transactions on Data and Knowledge Engineering (TKDE) (IF 1.66), 25(11), IEEE CS

Efficient Algorithms for Generalized Subgraph Query Processing

In the Proceedings of 21st ACM Conference of Information and Knowledge Management (ACM CIKM 2012)

ACM Press, Hawaii, USA

Code

Optimizing Incremental Maintenance of Minimal Bisimulation of Cyclic Graphs

In the Proceedings of 16th International Conference on Database Systems for Advanced Applications (DASFAA 2011)

Springer Verlag, Hong Kong, China.

Data-driven PC-chair-in-the-loop Formation of Program Committees: An EDBT 2023 Experience

SIGMOD Record, 53(2), ACM

Peer-Reviewing Processes and Incentives: Data Management Community Survey Results

SIGMOD Record, 52(4), ACM

CLOSET: Data-Driven COI Detection and Management in Peer-Review Venues

Communication of the ACM (CACM), 66(7), ACM.

How Connected Are Our Conference Review Boards?

SIGMOD Record, 51(4) ACM

PISTIS: A Conflict of Interest Declaration and Detection System for Peer Review Management

In the Proceedings of 44th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2018)

ACM Press, Houston, USA (Demo).

Conflict of Interest Declaration and Detection System in Heterogeneous Networks

In the Proceedings of 26th ACM International Conference on Information and Knowledge Management (CIKM 2017)

ACM Press, Singapore

SURGE: Continuous Detection of Bursty Regions Over a Stream of Spatial Objects

IEEE Transactions on Data and Knowledge Engineering (TKDE), 32(11), IEEE CS

FROST: Movement History-conscious Facility Relocation

ACM Transactions on Intelligent Systems and Technology (ACM TIST), 11(1), ACM

Code

SURGE: Continuous Detection of Bursty Regions Over a Stream of Spatial Objects

In the Proceedings of 34th IEEE International Conference on Data Engineering (ICDE 2018)

IEEE CS, Paris, France

PINOCCHIO: Probabilistic Influence-based Location Selection over Moving Objects

In the Proceedings of 33rd IEEE International Conference on Data Engineering (ICDE 2017)

Code

IEEE CS, San Diego, USA (Extended Abstract)

PINOCCHIO: Probabilistic Influence-based Location Selection over Moving Objects

IEEE Transactions on Data and Knowledge Engineering (TKDE), 28(11) IEEE CS

Code

Towards Best Region Search for Data Exploration

In the Proceedings of 42nd ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2016)

ACM Press, San Francisco, USA.

Temporal JSON Keyword Search

In the Proceedings of 50th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2024)

ACM Press, Santiago, Chile

Code

ASTERIX: Ambiguity and Missing Element-Aware XML Keyword Search Engine

In Proceedings of 40th international ACM SIGIR conference on Research and Development in Information Retrieval (ACM SIGIR 2017)

ACM Press, Tokyo, Japan (Demo).

Code

Plug-and-Play Queries for Temporal Data Sockets

In the Proceedings of 12th International Conference on Flexible Query Answering Systems (FQAS 2017)

London, UK.

Virtual eXist-DB: Liberating Hierarchical Queries from the Shackles of Access Path Dependence

In the Proceedings of 41st International Conference on Very Large Data Bases (VLDB 2015)

Hawaii, USA (Demo).

Querying Virtual Hierarchies using Virtual Prefix-Based Numbers

In the Proceedings of 40th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2014)

ACM Press, Snowbird, Utah, USA.

Stars on Steroids: Fast Evaluation of Multi-source Star Twig Queries in Path Materialization-based XML Databases

Data and Knowledge Engineering (DKE) Journal (IF 1.42), Vol 88, Elsevier Science (Special Issue on Best Papers of DASFAA 2012)

MESSIAH: Missing Element-Conscious SLCA Nodes Search in XML Data

In the Proceedings of 39th ACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2013)

ACM Press, New York City, USA

A Video of MESSIAH

Code

Extended version

ANDES: Efficient Evaluation of NOT-Twig Queries in Relational Databases

The VLDB Journal, 21(6), Springer-Verlag (IF 4.52), 2012.

Stars on Steroids: Fast Evaluation of Multi-source Star Twig Queries in RDBMS

In the Proceedings of 17th International Conference on Database Systems for Advanced Applications (DASFAA 2012)

Springer Verlag, Busan, South Korea (Best Papers of DASFAA 2012).

Extended version

SINBAD: Towards Structure-Independent Querying of Common Neighbors in XML Databases

In the Proceedings of 17th International Conference on Database Systems for Advanced Applications (DASFAA 2012)

Springer Verlag, Busan, South Korea.

Querying XML Data: As You Shape It

In the Proceedings of 28th IEEE International Conference on Data Engineering (ICDE 2012)

IEEE CS, Washington, USA

Efficient Evaluation of NOT-Twig Queries in Tree-Unaware Relational Databases 

In the Proceedings of 16th International Conference on Database Systems for Advanced Applications (DASFAA 2011)

Springer Verlag, Hong Kong, China.

Using XMorph to Transform XML Data

In the Proceedings of 36^thInternational Conference on Very Large Data Bases (VLDB 2010)
Singapore (Demo paper)

Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
In the Proceedings of 15^thInternational Conference on Database Systems for Advanced Applications (DASFAA 2010)
Springer Verlag, Tsukuba, Japan (short paper)

Extended version

XMorph: A Shape-Polymorphic, Domain-Specific XML Data Transformation Language

In the Proceedings of 26^th IEEE International Conference on Data Engineering (ICDE 2010)
IEEE CS, Los Angeles, USA (Short Paper)

Towards Non-directional XPath Evaluation in a RDBMS
In the Proceedings of 18^thACM International Conference on Information and Knowledge Management (ACM CIKM 2009)
ACM Press, Hong Kong, China (Short paper).

Extended version

Morph: A (Shape) Polymorphic XML Query Language
In ACM SIGPLAN Workshop on Programming Language Techniques for XML (PLAN-X 2009)
ACM Press, Savannah, Georgia, USA

XML Data Integration Based on Content and Structure Similarity Using Keys
In the Proceedings of 16^thInternational Conference on Cooperative Information Systems (CooPIS 2008)
Springer-Verlag, Monterrey, Mexico

Efficient Processing of High Selective XML Twig Patterns with Parent-Child Edges in a Tree-Unaware RDBMS
In the Proceedings of 16^thACM International Conference on Information and Knowledge Management (ACM CIKM 2007)
ACM Press, Lisbon, Portugal

Extended version

Efficient Evaluation of Nearest Common Ancestor in XML Twig Queries Using Tree-Unaware RDBMS
In the Proceedings of 18^thInternational Conference on Database and Expert Systems Applications (DEXA 2007)
Springer Verlag, Regensburg, Germany

Extended version

XANADUE: A System for Detecting Changes to XML Data in Tree-Unaware Relational Databases
In the Proceedings of 26^thACM SIGMOD International Conference on Management of Data (ACM SIGMOD 2007)
ACM Press, Beijing, China (Demo Paper)

Efficient Support for Ordered XPath Processing in Tree-Unaware Commercial Relational Databases
In the Proceedings of 12^th International Conference on Database Systems for Advanced Applications (DASFAA 2007)
Springer Verlag, Bangkok, Thailand

Extended version

OXONE: A Scalable Solution for Detecting Superior Quality Deltas on Ordered Large XML Documents
In the Proceedings of the 25^th International Conference on Conceptual Modelling (ER 2006)
Springer Verlag, Tuscon, USA

A Tale of Two Approaches: Query Performance Study of XML Storage Strategies in Relational Databases
In the Proceedings of the 17^th International Conference on Database and Expert Systems Applications (DEXA 2006)
Springer Verlag, Krakow, Poland

DTD-Diff: A Change Detection Algorithm for DTDs
In the Proceedings of the 11^th International Conference on Database Systems for Advanced Applications (DASFAA 2006)
Springer-Verlag, Singapore

Detecting Changes on XML Documents Using Relational Databases: A Schema-Conscious Approach
In the Proceedings of the 14^th ACM International Conference on Information and Knowledge Management (ACM CIKM 2005)
ACM Press, Bremen, Germany
Student Travel Award

Detecting Changes to Hybrid XML Documents Using Relational Databases
In the Proceedings of the 16^th International Conference on Database and Expert Systems Applications (DEXA 2005)
Springer Verlag, Copenhagen, Denmark

SM3: An XML Database Solution for the Management of MPEG-7 Descriptions
In the Proceedings of the 16^th International Conference on Database and Expert Systems Applications (DEXA 2005)
Springer Verlag, Copenhagen, Denmark

XANDY: Detecting Changes on Large Unordered XML Documents Using Relational Databases
In the Proceedings of the 10^th International Conference on Database Systems for Advanced Applications (DASFAA 2005)
Springer Verlag, Beijing, China

Efficient Recursive XML Query Processing Using Relational Database Systems
In the Proceedings of the 23^rd International Conference on Conceptual Modelling (ER 2004)
Springer Verlag, Shanghai, China
Selected as one of the top 6 papers in ER 2004

A Global-to-Local Rewriting Querying Mechanism using Semantic Mapping for XML Schema Integration
In the Proceedings of the 3^rd International Conference on Ontologies, Databases, and Application of Semantics for Large Scale Information Systems (ODBASE 2004)
Springer Verlag, Larnaca, Cyprus

Detecting Content Changes on Ordered XML Documents using Relational Databases
In the Proceedings of the 15^th International Conference on Database and Expert Systems Applications (DEXA 2004)
Springer-Verlag, Zaragoza, Spain

SUCXENT: An Efficient Path-based Approach to Store and Query XML Documents
In the Proceedings of the 15^th International Conference on Database and Expert Systems Applications (DEXA 2004)
Springer-Verlag, Zaragoza, Spain

DiffXML: Change Detection for XML Data
In the Proceedings of the 9^th International Conference on Database Systems for Advanced Applications (DASFAA 2004)
Springer Verlag, Jeju Island, South Korea

AXIS: A XML Schema Integration System
In the Proceedings of the 22^nd International Conference on Conceptual Modelling (ER´03)
ACM Press, Chicago, USA

VACXENE: A User-friendly Visual Synthetic XML Generator
In the Proceedings of International Workshop On XML Schema and Data Management (in conjunction with ER 2003)
Springer Verlag, Chicago, USA

Storing DTD-conscious XML Data in XEDY
In the Proceedings of the 4^th International Conference on Electronic Commerce and Web Technologies (EC-WEB 2003)
Springer-Verlag, Prague, Czech Republic

Efficient Processing of Xpath Queries Using Indexes
In the Proceedings of the 3^rd International Conference on Electronic Commerce and Web Technologies (EC-WEB´02)
Springer-Verlag, Aix-en-Provence, France

A Model for XML Schema Integration
In the Proceedings of the 13^th International Conference on Database and Expert Systems Applications (DEXA 2002)
Springer-Verlag, Aix-en-Provence, France

An Architecture for XML Schema Integration
In the Proceedings of the International Conference on Digital Libraries: Research and Practices
Kyoto, Japan (Invited Paper)

Efficient Maintenance of Common Keys in Archives of Continuous Query Results from Deep Web Sites

In the Proceedings of 27^th IEEE International Conference on Data Engineering (ICDE 2011)
IEEE CS, Hannover, Germany

Technical Report

Detecting Semantically Correct Changes to Relevant Hidden Web Data
In the Proceedings of the 16^th International Conference on Database and Expert Systems Applications (DEXA 2005)
Springer Verlag, Copenhagen, Denmark
Certificate of Excellence award for achieving rank 1 out of 390 submissions

Ranking of Web Data in a Web Warehouse
In the Proceedings of International Workshop on Data Semantics in Web Information Systems (in conjunction with WISE 2002)
IEEE Computer Society, Singapore

Constraint-free Join Processing in a Web Warehouse
In the Proceedings of the 4^th International Conference on Data Warehousing and Knowledge Discovery (DAWAK´02)
Springer-Verlag, Aix-en-Provence, France

Controlling Web Query Execution in a Web Warehouse
In the Proceedings of the 1^st International Workshop On Very Large Data Warehouses (VLDWH 2002) (in conjunction with DEXA 2002)
IEEE Computer Society, Aix-en-Provence, France

Web Informetrics: Extending Classical Infometrics to the Web
In the Proceedings of the 3^rd International Workshop On Management Information on the Web (in conjunction with DEXA 2002)
IEEE Computer Society, Aix-en-Provence, France

On Formulation of Disjunctive Coupling Queries in WHOWEDA
In the Proceedings of the 12^th International Conference on Database and Expert Systems Applications (DEXA´01)
Springer-Verlag, Munich, Germany

Imposing Disjunctive Constraints on Inter-Document Structure Using Coupling Queries
In the Proceedings of the 12^th International Conference on Database and Expert Systems Applications (DEXA´01)
Springer-Verlag, Munich, Germany

Web Schemas in WHOWEDA
In the Proceedings of 3^rd ACM International Workshop On Data Warehousing and OLAP (in conjunction with ACM CIKM´00)
IEEE Computer Society, Washington D.C

Reducing Cognitive Overheads in a Web Warehouse Using Reverse-Osmosis
In the Proceedings of the 7^th IEEE Conference on Parallel and Distributed Systems (ICPADS´00)
IEEE Computer Society, Japan

Detecting and Representing Relevant Web Deltas using Web Join
In the Proceedings of the 20^th International Conference on Distributed Computing Systems (ICDCS´00)
IEEE Computer Society, Taiwan

Web Bags: Are They Useful in a Web Warehouse?
Information Organization and Databases
K. Tanaka and S. Ghandeharizadeh (Eds.). Kluwer Academic Publishers

Algebraic Operations on Bags in a Web Warehouse
In the Proceedings of the 5^th International Computer Science Conference (ICSC´99)
Springer-Verlag, Hong Kong

Cost-Benefit Analysis of Bags in a Web Warehouse
In the Proceedings of the 3^rd International Database Engineering and Application Symposium (IDEAS´99)
IEEE Computer Society, Montreal, Canada

Pi-Web Join in a Web Warehouse
In the Proceedings of the 6^th International Conference on Database Applications for Advanced Applications (DASFAA´99)
IEEE Computer Society, Taiwan

Data Visualization in A Web Warehouse
In the Proceedings of International Workshop on Data Warehousing and Data Mining (DWDM´98) (In conjunction with ER´98)
Springer-Verlag, Singapore

Information Coupling in Web Databases
In the Proceedings of the 17^th International Conference on Conceptual Modelling (ER´98)
Springer-Verlag, Singapore

Web Bags: Are they Useful in a Web Warehouse?
In the Proceedings of the 5^th International Conference on Foundations of Data Organization (FODO´98)
Kobe, Japan

Web Warehousing: Design and Issues
In the Proceedings of International Workshop on Data Warehousing and Data Mining (DWDM´98) (In conjunction with ER´98)
Springer-Verlag, Singapore

Join Processing in Web Databases
In the Proceedings of the 9^th International Conference on Database and Expert Systems Applications (DEXA´98)
Springer-Verlag, Vienna, Austria

Data Warehousing System for Web Information
In the Proceedings of the 1^st Asia Digital Library Workshop
Hong Kong

Web Warehousing: An Algebra for Web Information
In the Proceedings of the 3^rd IEEE International Conference on Advances in Digital Library (ADL98)
IEEE Computer Society, Santa Barbara, California, USA

Incremental Query Answering using Multi-layered Database Model in Mobile Computing Environment
In the Proceedings of the 14^th International Conference on Database and Expert Systems Applications (DEXA 2003)
Springer-Verlag, Prague, Czech Republic

Multi-layered Database Model and Intelligent Query Answering in Mobile Computing Environment
In the Proceedings of the 3^rd International Conference on Mobile Data Management (MDM 2003)
Springer Verlag, Melbourne, Australia

Multi-version Transaction Model to Improve Data Availability in Mobile Computing
In the Proceedings of the 10^th International Conference on Cooperative Information Systems (COOPIS 2002)
Springer Verlag, Irvine, California, USA

SCALE: An Efficient Framework for Secure Dynamic Skyline Query Processing in the Cloud
In the Proceedings of the 25^th International Conference on Database Systems for Advanced Applications (DASFAA 2020)
Springer Verlag, Jeju Island, South Korea

Integrating Historical Noisy Answers For Improving Data Utility under Differential Privacy

In the Proceedings of 15th ACM International Conference on Extending Database Technology (EDBT 2012)

ACM Press, Berlin, Germany

PRIVATE-IYE: A Framework for Privacy Preserving Data Integration
In the Proceedings of the 2^nd IEEE International Workshop on Privacy Data Management (in conjunction with IEEE ICDE 2006)
IEEE Computer Society, Atlanta, USA

Diversity, Equity and Inclusion Activities in Database Conferences: A 2023 Report

SIGMOD Record, 53(2), ACM

Reminiscences on Influential Papers

SIGMOD Record, 52(4), ACM

Diversity, Equity and Inclusion Activities in Database Conferences: A 2022 Report

SIGMOD Record, 52(2), ACM

Diversity and Inclusion Activities in Database Conferences: A 2021 Report

SIGMOD Record, 51(2), ACM

DANTE: Data and Information Management Research at Nanyang Technological University

SIGMOD Record

47(2), ACM Press (Invited)

Side-Effect Estimation: A Filtering Approach to the View Update Problem

IEEE Transactions on Data and Knowledge Engineering (TKDE) (IF 1.66), 26(9), IEEE CS

Event Composition and Detection in Data Stream Management Systems
In the Proceedings of the 16^th International Conference on Database and Expert Systems Applications (DEXA 2005)
Springer Verlag, Copenhagen, Denmark

Looking at Mapping, Indexing and Querying MPEG-7 Descriptors with RDBMS with SM3
In the Proceedings of the 2^nd ACM International Workshop on Multimedia Databases (in conjunction with ACM CIKM 2004)
ACM Press, Washington D.C, USA