World > Canada
affiliations · University of Toronto · University of Waterloo · University of British Columbia
authors · Nick Koudas · Laks V. S. Lakshmanan · Jian Pei
co-op countries · USA · Canada · China
share of 3+ author papers w/ alphabetical author order · 36 %
Table of contents
- Countries (1)
- Cities (15)
- Affiliations (23)
- Authors (184)
- Papers (228)
- Cooperations by countries (22)
Countries (1)
| country | cities | affils | authors | papers | p:ef | p:hf | p:nef | p:nhf |
|---|---|---|---|---|---|---|---|---|
| Canada | 15 | 23 | 184 | 228 | 136.3 | 136.9 | 135.5 | 136.0 |
Cities (15)
| country | city | affils | authors | papers | p:ef | p:hf | p:nef | p:nhf |
|---|---|---|---|---|---|---|---|---|
| Canada | Toronto | 4 | 92 | 111 | 63.1 | 62.7 | 63.0 | 62.8 |
| Canada | Vancouver | 2 | 32 | 64 | 32.5 | 32.1 | 32.2 | 32.1 |
| Canada | Waterloo | 3 | 33 | 45 | 26.0 | 27.0 | 25.8 | 26.5 |
| Canada | Edmonton | 1 | 15 | 9 | 6.4 | 6.2 | 7.0 | 6.6 |
| Canada | Ottawa | 2 | 7 | 4 | 2.6 | 2.7 | 2.4 | 2.5 |
| Canada | Montreal | 2 | 3 | 4 | 1.5 | 1.8 | 1.3 | 1.5 |
| Canada | Calgary | 1 | 1 | 2 | 0.6 | 0.8 | 0.4 | 0.6 |
| Canada | Markham | 1 | 5 | 1 | 0.8 | 0.8 | 0.9 | 0.9 |
| Canada | Greenbrae | 1 | 3 | 1 | 0.6 | 0.8 | 0.4 | 0.6 |
| Canada | Burnaby | 1 | 2 | 1 | 0.5 | 0.3 | 0.7 | 0.5 |
Affiliations (23)
| country | city | affil | authors | papers | p:ef | p:hf | p:nef | p:nhf |
|---|---|---|---|---|---|---|---|---|
| Canada | Toronto | University of Toronto | 51 | 80 | 45.5 | 47.6 | 42.6 | 44.8 |
| Canada | Waterloo | University of Waterloo | 31 | 44 | 24.7 | 25.5 | 24.5 | 25.1 |
| Canada | Vancouver | University of British Columbia | 21 | 41 | 21.3 | 20.5 | 20.3 | 20.2 |
| Canada | Toronto | IBM | 37 | 30 | 13.6 | 11.0 | 16.7 | 14.0 |
| Canada | Vancouver | Simon Fraser University | 11 | 24 | 11.2 | 11.6 | 11.9 | 12.0 |
| Canada | Edmonton | University of Alberta | 15 | 9 | 6.4 | 6.2 | 7.0 | 6.6 |
| Canada | Toronto | York University | 4 | 6 | 3.3 | 3.6 | 3.0 | 3.4 |
| Canada | Ottawa | University of Ottawa | 6 | 4 | 2.1 | 2.0 | 1.9 | 2.0 |
| Canada | Montreal | McGill University | 2 | 3 | 1.2 | 1.5 | 1.1 | 1.4 |
| Canada | Toronto | Infobright | 1 | 2 | 0.8 | 0.5 | 0.7 | 0.6 |
Papers (228)
- What's on the grapevine? (sigmod, 2009, demo)
- Distance-join: pattern match query in a large graph database (vldb, 2009, research)
- Improving the performance of list intersection (vldb, 2009, research)
- Data warehouse technology by infobright (sigmod, 2009, industrial)
- Anonymization-based attacks in privacy-preserving data publishing (tods, 2009, research)
- StatAdvisor: recommending statistical views (vldb, 2009, industrial)
- Incremental maintenance of length normalized indexes for approximate string matching (sigmod, 2009, research)
- Measure-driven keyword-query expansion (vldb, 2009, research)
- Efficient method for maximizing bichromatic reverse nearest neighbor (vldb, 2009, research)
- SMDM: enhancing enterprise-wide master data management using semantic web technologies (vldb, 2009, demo)
- Creating probabilistic databases from duplicated data (vldbj, 2009, research)
- Snapshot isolation and integrity constraints in replicated databases (tods, 2009, research)
- Creating competitive products (vldb, 2009, research)
- Distribution based microdata anonymization (vldb, 2009, research)
- MobileMiner: a real world case study of data mining in mobile communication (sigmod, 2009, demo)
- Power-law based estimation of set similarity join size (vldb, 2009, research)
- Top-k typicality queries and efficient query answering methods on large databases (vldbj, 2009, research)
- The design of a query monitoring system (tods, 2009, research)
- Optimizing i/o-intensive transactions in highly interactive applications (sigmod, 2009, research)
- Modeling and querying possible repairs in duplicate detection (vldb, 2009, research)
- Improved search for socially annotated data (vldb, 2009, research)
- Linkage Query Writer (vldb, 2009, demo)
- Query processing techniques for solid state drives (sigmod, 2009, research)
- k-automorphism: a general framework for privacy preserving network publication (vldb, 2009, research)
- Framework for evaluating clustering algorithms in duplicate detection (vldb, 2009, research)
- Efficient index compression in DB2 LUW (vldb, 2009, industrial)
- Extreme visualisation of query optimizer search space (sigmod, 2009, demo)
- Anytime measures for top-k algorithms on exact and fuzzy data sets (vldbj, 2009, research)
- An xml index advisor for DB2 (sigmod, 2008, demo)
- Extending DBMSs with satellite databases (vldbj, 2008, research)
- DiMaC: a system for cleaning disguised missing data (sigmod, 2008, demo)
- Applications of corpus-based semantic similarity and word segmentation to database schema matching (vldbj, 2008, research)
- Histograms based on the minimum description length principle (vldbj, 2008, research)
- Discovering data quality rules (vldb, 2008, research)
- Generating targeted queries for database testing (sigmod, 2008, research)
- P2P logging and timestamping for reconciliation (vldb, 2008, demo)
- Capri/MR: exploring protein databases from a structural and physicochemical point of view (vldb, 2008, demo)
- A practical scalable distributed B-tree (vldb, 2008, research)
- Ad-hoc aggregations of ranked lists in the presence of hierarchies (sigmod, 2008, research)
- Muse: a system for understanding and designing mappings (sigmod, 2008, demo)
- Probabilistic top-<i>k</i> and ranking-aggregate queries (tods, 2008, research)
- On efficiently searching trajectories and archival data for historical similarities (vldb, 2008, research)
- Temporal XML: modeling, indexing, and query processing (vldbj, 2008, research)
- Automatic virtual machine configuration for database workloads (sigmod, 2008, research)
- Stretch 'n' shrink: resizing queries to user preferences (sigmod, 2008, demo)
- Brighthouse: an analytic data warehouse for ad-hoc queries (vldb, 2008, industrial)
- Efficient network aware search in collaborative tagging sites (vldb, 2008, research)
- Ranking queries on uncertain data: a probabilistic threshold approach (sigmod, 2008, research)
- ST2B-tree: a self-tunable spatio-temporal b+-tree index for moving objects (sigmod, 2008, research)
- Efficient skyline querying with variable user preferences on nominal attributes (vldb, 2008, research)
- Dynamic partitioning of the cache hierarchy in shared data centers (vldb, 2008, research)
- Categorical skylines for streaming data (sigmod, 2008, research)
- Keyword query cleaning (vldb, 2008, research)
- Efficient search for the top-k probable nearest neighbors in uncertain databases (vldb, 2008, research)
- Hashed samples: selectivity estimators for set similarity selection queries (vldb, 2008, research)
- Ad-hoc top-k query answering for data streams (vldb, 2007, research)
- An XML transaction processing benchmark (sigmod, 2007, research)
- Efficiently answering top-k typicality queries on large databases (vldb, 2007, research)
- Extending q-grams to estimate selectivity of string matching with low edit distance (vldb, 2007, research)
- URank: formulation and efficient evaluation of top-k queries in uncertain databases (sigmod, 2007, demo)
- Leveraging data and structure in ontology integration (sigmod, 2007, research)
- Efficient bulk deletes for multi dimensional clustered tables in DB2 (vldb, 2007, industrial)
- Minimality attack in privacy preserving data publishing (vldb, 2007, research)
- In-network execution of monitoring queries in sensor networks (sigmod, 2007, research)
- Algorithms and analyses for maximal vector computation (vldbj, 2007, research)
- Seeking stable clusters in the blogosphere (vldb, 2007, research)
- QAGen: generating query-aware test databases (sigmod, 2007, research)
- Adaptive location constraint processing (sigmod, 2007, research)
- Optimization and evaluation of shortest path queries (vldbj, 2007, research)
- Increasing buffer-locality for multiple index based scans through intelligent placement and index scan speed control (vldb, 2007, industrial)
- Progressive optimization in a shared-nothing parallel database (sigmod, 2007, research)
- On dominating your neighborhood profitably (vldb, 2007, research)
- Optimal top-down join enumeration (sigmod, 2007, research)
- Estimating the selectivity of approximate string queries (tods, 2007, research)
- Benchmarking declarative approximate selection predicates (sigmod, 2007, research)
- Probabilistic skylines on uncertain data (vldb, 2007, research)
- BlogScope: a system for online analysis of high volume text streams (vldb, 2007, demo)
- Storage workload estimation for database management systems (sigmod, 2007, research)
- ConEx: a system for monitoring queries (sigmod, 2007, demo)
- Supporting ad-hoc ranking aggregates (sigmod, 2006, research)
- Answering top-k queries using views (vldb, 2006, research)
- Adaptive rank-aware query optimization in relational databases (tods, 2006, research)
- Multi-column substring matching for database schema translation (vldb, 2006, research)
- Expressive power of an algebra for data mining (tods, 2006, research)
- Answering tree pattern queries using views (vldb, 2006, research)
- Approximately detecting duplicates for streaming data using stable bloom filters (sigmod, 2006, research)
- Peer data exchange (tods, 2006, research)
- Fast approximate computation of statistics on views (sigmod, 2006, industrial)
- Nested mappings: schema mapping reloaded (vldb, 2006, research)
- Towards multidimensional subspace skyline analysis (tods, 2006, research)
- Integrating XML data sources using approximate joins (tods, 2006, research)
- Meta-data indexing for XPath location steps (sigmod, 2006, research)
- Adaptive self-tuning memory in DB2 (vldb, 2006, industrial)
- Full disjunctions: polynomial-delay iterators in action (vldb, 2006, research)
- Lazy database replication with snapshot isolation (vldb, 2006, research)
- Using high dimensional indexes to support relevance feedback based interactive images retrieval (vldb, 2006, demo)
- Relaxing join and selection queries (vldb, 2006, research)
- Query optimization in XML structured-document databases (vldbj, 2006, research)
- FIX: feature-based indexing technique for XML documents (vldb, 2006, research)
- Efficient secure query evaluation over encrypted XML databases (vldb, 2006, research)
- Approximation and streaming algorithms for histogram construction problems (tods, 2006, research)
- Using SPIDER: an experience report (sigmod, 2006, industrial)
- HePToX: marrying XML and heterogeneity in your P2P databases (vldb, 2005, demo)
- A trajectory splitting model for efficient spatio-temporal indexing (vldb, 2005, research)
- Designing information-preserving mapping schemes for XML (vldb, 2005, research)
- Capturing summarizability with integrity constraints in OLAP (tods, 2005, research)
- SPIDER: flexible matching in databases (sigmod, 2005, demo)
- Data sharing in the Hyperion peer database system (vldb, 2005, demo)
- Maximal vector computation in large data sets (vldb, 2005, research)
- Automated statistics collection in action (sigmod, 2005, demo)
- Catching the best views of skyline: a semantic approach based on decisive subspaces (vldb, 2005, research)
- Robust and fast similarity search for moving object trajectories (sigmod, 2005, research)
- GraphMiner: a structural pattern-mining system for large disk-based graph databases and its applications (sigmod, 2005, demo)
- ConQuer: efficient management of inconsistent databases (sigmod, 2005, research)
- Indexing mixed types for approximate retrieval (vldb, 2005, research)
- To do or not to do: the dilemma of disclosing anonymized data (sigmod, 2005, research)
- Optimization of query streams using semantic prefetching (tods, 2005, research)
- RankSQL: supporting ranking queries in relational database management systems (vldb, 2005, demo)
- Personalizing XML text search in PIMENT (vldb, 2005, demo)
- RankSQL: query algebra and optimization for relational top-k queries (sigmod, 2005, research)
- Middleware based data replication providing snapshot isolation (sigmod, 2005, research)
- Benefits of path summaries in an XML query optimizer supporting multiple access methods (vldb, 2005, research)
- MIX: a meta-data indexing system for XML (vldb, 2005, demo)
- MDL summarization with holes (vldb, 2005, research)
- Concise descriptions of subsets of structured sets (tods, 2005, research)
- Update-pattern-aware modeling and processing of continuous queries (sigmod, 2005, research)
- Optimistic intra-transaction parallelism on chip multiprocessors (vldb, 2005, research)
- Goals and benchmarks for autonomic configuration recommenders (sigmod, 2005, research)
- CMS-ToPSS: efficient dissemination of RSS documents (vldb, 2005, demo)
- Stacked indexed views in microsoft SQL server (sigmod, 2005, research)
- Structure and content scoring for XML (vldb, 2005, research)
- ConQuer: a system for efficient querying over inconsistent databases (vldb, 2005, demo)
- Statistical learning techniques for costing XML queries (vldb, 2005, research)
- Indexing temporal XML documents (vldb, 2004, research)
- Optimization of query streams using semantic prefetching (sigmod, 2004, research)
- FleXPath: flexible structure and full-text querying for XML (sigmod, 2004, research)
- A multi-purpose implementation of mandatory access control in relational database management systems (vldb, 2004, industrial)
- A-ToPSS: a publish/subscribe system supporting imperfect information processing (vldb, 2004, demo)
- Preserving mapping consistency under schema changes (vldbj, 2004, research)
- Automated design of multidimensional clustering tables for relational databases (vldb, 2004, industrial)
- Data sharing through query translation in autonomous sources (vldb, 2004, research)
- On the marriage of Lp-norms and edit distance (vldb, 2004, research)
- Robust query processing through progressive optimization (sigmod, 2004, research)
- Accurate and efficient crawling for relevant websites (vldb, 2004, research)
- Extending query rewriting techniques for fine-grained access control (sigmod, 2004, research)
- Colorful XML: one hierarchy isn't enough (sigmod, 2004, research)
- DB2 design advisor: integrated automatic physical database design (vldb, 2004, industrial)
- Query sampling in DB2 Universal Database (sigmod, 2004, industrial)
- Efficient constraint processing for highly personalized location based services (vldb, 2004, demo)
- On testing satisfiability of tree pattern queries (vldb, 2004, research)
- Tree logical classes for efficient evaluation of XQuery (sigmod, 2004, research)
- Returning modified rows - select statements with side effects (vldb, 2004, industrial)
- Trends in data warehousing: a practitioner's view (vldb, 2004, industrial)
- Hos-Miner: a system for detecting outlyting subspaces of high-dimensional data (vldb, 2004, demo)
- CORDS: automatic generation of correlation statistics in DB2 (vldb, 2004, demo)
- Canonical abstraction for outerjoin optimization (sigmod, 2004, research)
- A compressed accessibility map for XML (tods, 2004, research)
- A normal form for XML documents (tods, 2004, research)
- Incremental and effective data summarization for dynamic hierarchical clustering (sigmod, 2004, research)
- Information-theoretic tools for mining database structure from large data sets (sigmod, 2004, research)
- Indexing spatio-temporal trajectories with Chebyshev polynomials (sigmod, 2004, research)
- Supporting top-<i>k</i> <i>join</i> queries in relational databases (vldbj, 2004, research)
- Automated statistics collection in DB2 UDB (vldb, 2004, industrial)
- Are quorums an alternative for data replication? (tods, 2003, research)
- Processing sliding window multi-joins in continuous queries over data streams (vldb, 2003, research)
- WinMagic: subquery elimination using window aggregation (sigmod, 2003, industrial)
- LockX: a system for efficiently querying secure XML (sigmod, 2003, demo)
- Mapping adaptation under evolving schemas (vldb, 2003, research)
- Efficacious data cube exploration by semantic summarization and compression (vldb, 2003, demo)
- Efficient query processing for multi-dimensionally clustered tables in DB2 (vldb, 2003, industrial)
- QC-trees: an efficient summary structure for semantic OLAP (sigmod, 2003, research)
- Efficient dynamic mining of constrained frequent sets (tods, 2003, research)
- Data bubbles for non-vector data: speeding-up hierarchical clustering in arbitrary metric spaces (vldb, 2003, research)
- TIMBER: a native system for querying XML (sigmod, 2003, demo)
- S-ToPSS: semantic Toronto publish/subscribe system (vldb, 2003, demo)
- Capturing both types and constraints in data integration (sigmod, 2003, research)
- Mapping data in peer-to-peer systems: semantics and algorithmic issues (sigmod, 2003, research)
- A comprehensive XQuery to SQL translation using dynamic interval encoding (sigmod, 2003, research)
- SOCQET: semantic OLAP with compressed cube and summarization (sigmod, 2003, demo)
- Multi-dimensional clustering: a new data layout scheme in DB2 (sigmod, 2003, industrial)
- From tree patterns to generalized tree patterns: on efficient evaluation of XQuery (vldb, 2003, research)
- Quotient cube: how to summarize the semantics of a data cube (vldb, 2002, research)
- Efficient retrieval of similar shapes (vldbj, 2002, research)
- Optimizing the secure evaluation of twig queries (vldb, 2002, research)
- TIMBER: A native XML database (vldbj, 2002, research)
- A compact B-tree (sigmod, 2002, industrial)
- ToXgene: a template-based data generator for XML (sigmod, 2002, demo)
- Incremental maintenance for non-distributive aggregate functions (vldb, 2002, research)
- Fractal prefetching B+-Trees: optimizing both cache and disk performance (sigmod, 2002, research)
- Locating and accessing data repositories with WebSemantics (vldbj, 2002, research)
- The generalized MDL approach for summarization (vldb, 2002, research)
- COMMIX: towards effective web information extraction, integration and query answering (sigmod, 2002, demo)
- Query processing techniques for arrays (vldbj, 2002, research)
- Tree pattern query minimization (vldbj, 2002, research)
- Compressed accessibility map: efficient access control for XML (vldb, 2002, research)
- A logical foundation for deductive object-oriented databases (tods, 2002, research)
- A-TOPSS: a publish/subscribe system supporting approximate matching (vldb, 2002, demo)
- Searching for dependencies at multiple abstraction levels (tods, 2002, research)
- CubeExplorer: online exploration of data cubes (sigmod, 2002, demo)
- SMART: making DB2 (more) autonomic (vldb, 2002, industrial)
- Translating web data (vldb, 2002, research)
- GEA: a toolkit for gene expression analysis (sigmod, 2002, demo)
- LEO - DB2's LEarning Optimizer (vldb, 2001, research)
- Exploiting constraint-like data characterizations in query optimization (sigmod, 2001, industrial)
- WebFilter: A High-throughput XML-based Publish and Subscribe System (vldb, 2001, demo)
- DNA-miner: a system prototype for mining DNA sequences (sigmod, 2001, demo)
- Iceberg-cube computation with PC clusters (sigmod, 2001, research)
- Querying ATSQL databases with temporal logic (tods, 2001, research)
- The Long-Term Preservation of Authentic Electronic Records (vldb, 2001, industrial)
- SchemaSQL: An extension to SQL for multidatabase interoperability (tods, 2001, research)
- Filtering algorithms and implementation for very fast publish/subscribe systems (sigmod, 2001, research)
- Data bubbles: quality preserving performance boosting for hierarchical clustering (sigmod, 2001, research)
- An Extendible Hash for Multi-Precision Similarity Querying of Image Databases (vldb, 2001, research)
- Efficient computation of Iceberg cubes with complex measures (sigmod, 2001, research)
- Clio: a semi-automatic tool for schema mapping (sigmod, 2001, demo)
- Mining Multi-Dimensional Constrained Gradients in Data Cubes (vldb, 2001, research)
- Emancipating instances from the tyranny of classes in information modeling (tods, 2000, research)
- One-dimensional and multi-dimensional substring selectivity estimation (vldbj, 2000, research)
- DISIMA: a distributed and interoperable image database system (sigmod, 2000, demo)
- Schema Mapping as Query Discovery (vldb, 2000, research)
- Towards data mining benchmarking: a test bed for performance study of frequent pattern mining (sigmod, 2000, demo)
- How to roll a join: asynchronous incremental view maintenance (sigmod, 2000, research)
- Mining Frequent Itemsets Using Support Constraints (vldb, 2000, research)
- Temporal Queries in OLAP (vldb, 2000, research)
- LOF: identifying density-based local outliers (sigmod, 2000, research)
- An approximate search engine for structural databases (sigmod, 2000, demo)
- Mining frequent patterns without candidate generation: A frequent-pattern tree approach (sigmod, 2000, research)
- The 3W Model and Algebra for Unified Data Mining (vldb, 2000, research)