RankSQL: Query Algebra and Optimization for Relational Top-k Queries ∗ Chengkai Li1 Kevin Chen-Chuan Chang1

Source URL: cs.uwaterloo.ca

• Data management
• Relational model
• Computing
• Mathematics
• Mathematical notation
• Database theory
• Relational algebra
• SQL keywords
• Database management systems
• Relational database
• Query optimization
• Join

IEEE International Conference on Data Engineering PSALM: Cardinality Estimation in the Presence of Fine-grained Access Controls Huaxin Zhang, Ihab F. Ilyas, Kenneth Salem University of Waterloo

Source URL: cs.uwaterloo.ca

• Data management
• Logic
• SQL
• Predicate logic
• Software
• Query optimization
• Cardinality
• Join
• Extension
• Sample size determination
• Sampling
• Parameter

The Query-flow Graph: Model and Applications Paolo Boldi1∗ Debora Donato2

Source URL: www.francescobonchi.com

• Search algorithms
• Information science
• Information retrieval
• Internet search
• Web search query
• Reachability
• Query expansion
• Theoretical computer science
• Query optimization
• Web query classification

11 A Survey of Top-k Query Processing Techniques in Relational Database Systems IHAB F. ILYAS, GEORGE BESKALES, and MOHAMED A. SOLIMAN University of Waterloo

Source URL: cs.uwaterloo.ca

• Database management systems
• SQL
• Database theory
• Data management
• Query optimization
• Information retrieval
• Database
• Relational database
• Join
• Query plan
• View
• Query language

Building Ranked Mashups of Unstructured Sources with Uncertain Information Mohamed A. Soliman Ihab F. Ilyas

Source URL: cs.uwaterloo.ca

• Computing
• Data management
• Data
• Relational database
• Data integration
• Relational model
• Join
• Tuple
• Schedule
• Query optimization

PDF Document

Source URL: cs.uwaterloo.ca

• Information retrieval
• Data management
• Information science
• Hashing
• Database theory
• Hash join
• Join
• Relational database
• Query optimization
• Sort-merge join
• Range query
• Cartesian product

Seeking Treatment Options: Consumers’ Search Behaviors and Cognitive Activities Ramona Broussard School of Information University of Texas 1616 Guadalupe, Austin TX, 78701

Source URL: www.asis.org

• Science
• Information
• Bing
• Google Search
• Information seeking behavior
• Web search query
• Internet research
• Web search engine
• Search engine optimization
• Information science
• Information retrieval
• Internet search engines

LNCSCircle of Friend Query in Geo-Social Networks

Source URL: www.cse.unt.edu

• Search algorithms
• Approximation algorithms
• Mathematical optimization
• NP-complete problems
• Analysis of algorithms
• Nearest neighbor search
• Clique problem
• K-nearest neighbor algorithm
• Time complexity
• Theoretical computer science
• Mathematics
• Applied mathematics

Reducing query optimization time for complex analytical queries in an in-memory distributed database XLDB 2015 Rajkumar Sen, Jack Chen, Robert Walzer

Source URL: www-conf.slac.stanford.edu

• Data
• Database theory
• Join
• Query optimization
• Database
• Program optimization
• Mathematical optimization
• Query optimizer
• Query plan
• Database management systems
• Data management
• SQL

Query Processing and Optimization • Query optimization: finding a good way to evaluate a query • Queries are declarative, and can be translated into procedural languages in more than one way • Hence one has to choo

Source URL: homepages.inf.ed.ac.uk