[2008 DB Seminars]
Please visit the new DB Group web page.
CHUI Chun Kit

[5 Jul 2007]
Mining Order-preserving Submatrixes from replicated data model
Speaker: CHUI Chun Kit

[28 Jun 2007]
SpaceTwist: A Flexible Approach for Hiding Query User Location
Speaker: Ken YIU Man Lung

[14 Jun 2007]
The Impact of Duality in Data Representation Problems
Speaker: Panagiotis Karras

[7 Jun 2007]
A more efficient Collaborative Filtering method
Speaker: TAM Ming Wai

[17 May 2007]
Indexing DNA sequences for local similarity search
Speaker: Angela SIU Wing Yan

[10 May 2007]
Energy-Efficient Monitoring of Extreme Values in Sensor Networks
Speaker: LOO Kin Kong

[3 May 2007]
Assignment problems in spatial databases
Speaker: Kamiru U Leong Hou

[12 Apr 2007]
Clustering of Uncertain data by Voronoi-diagram-based approach
Speaker: Paul CHAN Kai Fong

[29 Mar 2007]
Efficient clustering of 2D uncertain data using vectors
Speaker: Jackie NGAI Wan Kay

[8 Mar 2007]
Security in Outsourcing of Association Rule Mining
Speaker: WONG Wai Kit

[1 Mar 2007]
Continous Monitoring of Top-k Queries over Sliding Windows
Speaker: Kamiru U Leong Hou

[15 Feb 2007]
Lattice Histograms: a Resilient Synopsis Structure
Speaker: Panagiotis Karras

[1 Feb 2007]
A Probabilistic Approach to Classify Incomplete Objects Using Decision Trees
Speaker: Smith TSANG Pui Kwan

[25 Jan 2007]
Towards Efficient and Scalable Memory-based Collaborative Filtering
Speaker: TAM Ming Wai

[18 Jan 2007]
The Gauss-Tree: Efficient Object Identification of Uncertain Data
Speaker: CHUI Chun Kit

[11 Jan 2007]
Adaptive Stream Filters for Range Queries with Fraction-based Tolerance
Speaker: Alan KWAN Kang Lun

[4 Jan 2007]
Reference-Based Indexing of Sequence Databases
Speaker: Jackie NGAI Wan Kay

[28 Dec 2006]
Integrating XML data sources using approximate joins
Speaker: Jim GONG Jian

[14 Dec 2006]
Symbolic Query Processing
Speaker: Eric Lo

[7 Dec 2006]
Evaluating Window Joins over Unbounded Streams
Speaker: LOO Kin Kong

[1 Dec 2006]
Privacy-Preserving Spatial Queries in Location Based Services
Speaker: Gabriel Ghinita

[23 Nov 2006]
Fast and Memory Efficient Mining of Frequent Closed Itemsets
Speaker: Leonidas MAK Hoi Fong

[2 Nov 2006]
Voronoi-diagram-based Clustering for Uncertain Data
Speaker: Paul CHAN Kai Fong

[26 Oct 2006]
Static Type Analysis of Path Expressions in XQuery Using Rho-Calculus
Speaker: Selina WANG Zhen

[19 Oct 2006]
Efficient Clustering of Uncertain Data
Speaker: Jackie NGAI Wan Kay

[12 Oct 2006]
Security in Outsourced Association Rule Mining
Speaker: WONG Wai Kit

[05 Oct 2006]
Authentication in Outsourced Database Systems
Speaker: George Kollios

[21 & 28 Sep 2006]
Continuous Monitoring of a Car Parking System
Speaker: Kamiru U Leong Hou

[07 Sep 2006]
The Haar+ Tree: a Refined Synopsis Data Structure
Speaker: Panagiotis Karras

[31 Aug 2006]
Association Rules Mining of Existentially Uncertain Data
Speaker: CHUI Chun Kit

[13 Jul 2006]
Mining time-delayed association from event datasets
Speaker: LOO Kin Kong

[06 Jul 2006]
Research Issues in Data Stream Association Rule Mining
Speaker: Alan KWAN Kang Lun

[29 Jun 2006]
Neighborhood based detection of anomalies in high dimensional spatio-temporal sensor datasets
Speaker: Leonidas MAK Hoi Fong

[01 Jun 2006]
A Query Adaptive Data Structure for Efficient Indexing of Time Series Databases
Speaker: Stavros Papadopoulos

[25 May 2006]
Top-k Dominating Queries
Speaker: Ken YIU Man Lung

[18 May 2006]
Density-Based Clustering of Uncertain Data
Speaker: CHUI Chun Kit

[11 May 2006]
Skyline queries against mobile lightweight devices in MANETs
Speaker: Paul CHAN Kai Fong

[04 May 2006]
Secure Incremental Maintenance of Distributed Association Rules
Speaker: WONG Wai Kit

[27 Apr 2006]
Interesting Problems for Cardinal Direction Relations: Composition and Consistency
Speaker: Spiros Skiadopoulos

[20 Apr 2006]
Clustering on Uncertain Data
Speaker: Jackie NGAI Wang Kay

[13 Apr 2006]
On Computing Top-t Most Influential Spatial Sites
Speaker: Martin DAI Xiangyuan

[06 Apr 2006]
Typing XQuery
Speaker: Selina WANG Zhen

[23 Mar 2006]
Wavelet Synopses with Predefined Error Bounds: Windfalls of Duality
Speaker: Panagiotis Karras

[9 Mar 2006]
Continuous Reverse Nearest Neighbor Monitoring
Speaker: Kamiru U Leong Hou

[2 Mar 2006]
Density Estimation for Spatial Data Streams
Speaker: CAO Huiping

[11 Aug 2004]
Scalable Clustering of Categorical Data
Speaker: Panagiotis Karras

[4 Aug 2004]
Mining, Indexing, and Querying Historical Spatiotemporal Data
Speaker: Cao Huiping

[21 Jul 2004]
Finding skyline on-the-fly
Speaker: Eric Lo

[14 Jul 2004]
Lattice-based Rank Aggregation algorithm (LARA) -- Revisited
Speaker: David Cheng

[7 Jul 2004]
Scaling up Dynamic Time Warping to Massive Datasets
Speaker: Sindy Shou

[29 Jun 2004]
Fast Mining of Spatial Collocations
Speaker: Iris Zhang

[15 Jun 2004]
Adaptive Frequency Counts over Real-time Data Streams
Speaker: Bill Lin

[8 Jun 2004]
Managing Uncertainty in Moving-Object and Sensor Databases
Speaker: Reynold Cheng

[1 Jun 2004]
Lattice-based Rank Aggregation algorithm (LARA)
Speaker: David Cheng

[18 May 2004]
A few issues on indexing
Speaker: David Lin

[4 may 2004]
Semi-supervised Projected Clustering
Speaker: Kevin Yip

[27 Apr 2004]
Window-based Mining Sensor Streams
Speaker: Ivy Tong

[20 Apr 2004]
Mining Concise Summarizations of Probable Categories in Large Databases
Speaker: Ho Wai Shing

[6 Apr 2004]
Mining Periodic Patterns with Gap Requirement from Sequences
Speaker: Zhang Minghua

[30 Mar 2004]
Aggregate Nearest Neighbor Queries
Speaker: Ken Yiu

[23 Mar 2004]
Dimensionality Reduction for Fast Similarity Search in Large Time Series
Speaker: Sindy Shou

[9 Mar 2004]
Discovering Co-location Patterns in Datasets with Extended Spatial Objects
Speaker: Iris Zhang

[17 Feb 2004]
Processing Skyline Queries for Web Information Systems
Speaker: Eric Lo

[10 Feb 2004]
STAMP: On Discovery of Statistically Important Pattern Repeats in Long Sequential Data
Speaker: Cao Huiping

[3 Feb 2004]
Mining Frequent Itemsets over Data Streams
Speaker: Bill Lin

[9 Jan 2004]
Projected Nearest Neighbor Problem
Speaker: David Cheng

[2 Jan 2004]
The Semi-Supervised Clustering Problem
Speaker: Kevin Yip

[19 Dec 2003]
Inverted Matrix: Efficient Discovery of Frequent Items in Large Datasets in the Context of Interactive Mining
Speaker: Ivy Tong

[12 Dec 2003]
ViST: A Dynamic Index Method for Querying XML data by Tree Structures
Speaker: Ho Wai Shing

[5 Dec 2003]
Efficient Processing of Joins on Set-valued Attributes
Speaker: Dr. Nikos Mamoulis

[28 Nov 2003]
Fast Vertical Mining Using Diffsets
Speaker: Minghua Zhang

[31 Oct 2003]
Clustering Objects in Large Spatial Network
Speaker: Ken Yiu

[24 Oct 2003]
Spatial Congeries Pattern Mining
Speaker: Iris Zhang

[17 Oct 2003]
A segmented approach for efficient similarity search supporting time warping for both with and without warping envelop constraint
Speaker: Sindy Shou

[10 Oct 2003]
Processing Ad-Hoc Joins on Mobile Device
Speaker: Eric Lo

[24 Sep 2003]
Discovering partial periodic patterns on discrete spatial-temporal data
Speaker: Cao Huiping

[17 Sep 2003]
To Buy or Not to Buy: Mining Airfare Data to Minimize Ticket Purchase Price
Speaker: Edmond Wu

[10 Sep 2003]
Biclustering Methods for Microarray Data Analysis
Speaker: Kevin Yip

[20 Aug 2003]
Mining of Frequent Patterns from Sensor Data
Speaker: Ivy Tong

[13 Aug 2003]
Evaluating Probabilistic Queries over Imprecise Data
Speaker: Reynold Cheng

[6 Aug 2003]
SF-Tree and Its Application to OLAP
Speaker: Ho Wai Shing

[23 July 2003]
Finding patterns of non-continuous characters with a given gap region from DNA sequences
Speaker: Zhang Minghua

[16 July 2003]
MAP: Searching Large Genome Databases
Speaker: Cheng Lok Lam

[2 July 2003]
Updating SF-Tree
Speaker: Ho Wai Shing

[30 June 2003]
PXML: A Probabilistic Semistructured Data Model and Algebra
Guest Speaker: Edward Hung

[25 June 2003]
Mining frequency counts from sensor set data
Speaker: K K Loo

[18 June 2003]
Efficient Data Reduction Methods for Online Association Rule Discovery
Speaker: Ivy Tong

[11 June 2003]
Frequent-Pattern based Iterative Projected Clustering
Speaker: Ken Yiu

[21 May 2003]
Discovering Calendar-based Temporal Association Rules
Speaker: Sindy Shou

[14 May 2003]
Pattern-Growth Methods for Sequential Pattern Mining
Speaker: Iris Zhang

[7 May 2003]
TAR: Temporal Association Rules on Evolving Numerical Attributes (ICDE-01)
Speaker: Sarah Chan

[30 Apr 2003]
Mining Partial Periodic Patterns in Time Series Data
Speaker: Cao Huiping

[23 Apr 2003]
Clustering Pattern Similarity in Large Dataset
Speaker: Edmond Wu

[16 Apr 2003]
Skyline Queries
Speaker: Eric Lo

[26 Mar 2003]
Validation and presentation of clustering results
Speaker: Kevin Yip

[19 Mar 2003]
Indexing weighted-sequences in Large Databases
Speaker: Cheng Lok Lam

[12 Mar 2003]
Combinatorial pattern discovery in biological sequences: the TEIRESIAS algorithm
Speaker: Zhang Ming Hua

[5 Mar 2003]
Histograms for Selectivity Estimation, Part II: Global Optimization of Histograms
Speaker: Ho Wai Shing

[26 Feb 2003]
Research Issues on Association Rule Mining
Speaker: Loo Kin Kong

[19 Feb 2003]
Histograms for Selectivity Estimation
Speaker: Ho Wai Shing

[12 Feb 2003]
Mining Decision Trees from Time-changing Data Streams
Speaker: Ivy Tong

[29 Jan 2003]
Mixed-Attribute Clustering and Weighted Clustering
Speaker: Ken Yiu

[17 Jan 2003]
Density-Based Clustering Algorithms
Speaker: Iris Zhang

[10 Jan 2003]
Reverse Nearest Neighbor Queries for Dynamic Databases
Speaker: Sindy Shou

[3 Jan 2003]
Using Histogram to Approximate Data Stream for Queries
Speaker: Cao Huiping

[27 Dec 2002]
A Survey of Querying Imprecise Data
Guest Speaker: Reynold Cheng

[20 Dec 2002]
Finding Set-Mappings in Schema Matching
Speaker: Eric Lo

[20 Dec 2002]
Projected clustering algorithms and their application on genomic data analysis
Speaker: Kevin Yip

[13 Dec 2002]
An empirical study of Principal Component Analysis for clustering gene expression data
Speaker: Edmund Wu

[29 Nov 2002]
Mining frequent query patterns from XML queries
Speaker: Wang Lian

[15 Nov 2002]
Solving the Fragmentation Problem of Decision Trees by Discovering Boundary Emerging Patterns (ICDM-02)
Speaker: Sarah Chan

[1 Nov 2002]
Searching in Genomic Sequence Databases -- FASTA, BLAST and CAFE
Speaker: Cheng Lok Lam

[18 Oct 2002]
XPathLearner: An On-Line Self-Tuning Markov Histogram for XML Path Selectivity Estimation
Speaker: Ho Wai Shing

[11 Oct 2002]
Maintaining Data Privacy in Association Rule Mining
Speaker: Zhang Minghua

[4 Oct 2002]
Approximate Frequency Counts over Data Streams
Speaker: KK Loo

[27 Sep 2002]
COMA-A system for flexible combination of schema matching approaches
Speaker: Eric Lo

[20 Sep 2002]
HARP: A Hierarchical Approach with Automatic Relevant Attribute Seletion for Projected Clustering
Speaker: Kevin Yip

[13 Sep 2002]
A Sampling-based Estimator for Top-k Selection Query
Speaker: Kan Kin Fai

[6 Sep 2002]
Exploiting Local Similarity for Efficient Indexing of Paths in Graph Structured Data
Speaker: Wang Lian

[30 Aug 2002]
A Practical Solution for Indexing Human Genome Using a PC Cluster
Speaker: Cheng Lok Lam

[30 Aug 2002]
Applying Pruning Techniques to Single-Class Emerging Substring Mining
Speaker: Sarah Chan

[23 Aug 2002]
Data Integration: The Need, the Challenges and the Approaches
Guest Speaker: Yannis Papakonstantinou

[13 Aug 2002]
PIXML: Probabilistic Semistructured Databases
Guest Speaker: Edward Hung

[9 Aug 2002]
SF-Tree: An Efficient and Flexible Structure for Estimating Selectivity of Simple Path Expressions with Accuracy Guarantee
Speaker: Ho Wai Shing

[2 Aug 2002]
A Comparison Study on Algorithms for Incremental Update of Frequent Sequences
Speaker: Zhang Minghua

[23 July 2002]
Data Streams Part III: Approximate Query Evaluation
Guest Speaker: Reynold Cheng

[19 July 2002]
Data Streams: Part II
Guest Speaker: Reynold Cheng

[12 July 2002]
Data Streams: an Overview
Guest Speaker: Reynold Cheng

[5 July 2002]
On information theory and association rule interestingness
Speaker: KK Loo

[21 June 2002]
Web Services Oriented Data Processing and Integration
Speaker: Eric Lo

[14 June 2002]
Mining long sequential patterns in a noisy environment
Speaker: Zhang Minghua

[31 May 2002]
Evaluation of Techniques for Classifying Biological Sequences
Speaker: Sarah Chan

[17 May 2002]
The Subspace Clustering Problem
Speaker: Kevin Yip

[19 Apr 2002]
An Efficient Index Structure for String Databases
Speaker: Cheng Lok Lam

[12 Apr 2002]
Semantic indexing and Searching
Speaker: Felix Cheung

[22 Mar 2002]
Estimating the Selectivity of XML Path Expressions for Internet Scale Applications (VLDB'01)
Speaker: K F Kan

[8 Mar 2002]
Clustering XML Documents for Query Performance Enhancement
Speaker: Wang Lian

[1 Mar 2002]
A Summary of Clustering Techniques
Speaker: W S Ho

[22 Feb 2002]
Mining interesting association rules
Speaker: K K Loo

[8 Feb 2002]
Several approaches to improving the performance of classifying very large datasets
Speaker: Kevin Yip

[1 Feb 2002]
Efficient Mining of Emerging Patterns and Emerging Substrings
Speaker: Sarah Chan

[25 Jan 2002]
Efficient Filtering of XML Documents for Selective Dissemination of Information
Speaker: Eric Lo

[11 Jan 2002]
ROCK: A Robust Clustering Algorithm for Categorical Attributes. ICDE 1999
Speaker: Wang Lian

[4 Jan 2002]
PC Clusters Approach on DNA Sequences Indexing with Suffix Trees
Speaker: CHENG Lok Lam

[14 Dec 2001]
An Efficient Algorithm for Incremental Update of Concept Space
Speaker: Felix Cheung

[7 Dec 2001]
Efficient Algorithms for Incremental Update of Frequent Sequences
Speaker: Minghua Zhang

[30 Nov 2001]
Dense-Region Based Compact Data Cube
Speaker: K F Kan

[23 Nov 2001]
A Summary of XISS and Index Fabric
Speaker: W S Ho