Unification: a multidisciplinary survey
ACM Computing Surveys (CSUR)
First-order preference theories and their applications
First-order preference theories and their applications
Preference-based decision making for cooperative knowledge-based systems
ACM Transactions on Information Systems (TOIS)
Fixpoint iteration with subsumption in deductive databases
Journal of Intelligent Information Systems - Special issue: deductive and object-oriented databases
Selected papers of the 9th annual ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Solving satisfiability and implication problems in database systems
ACM Transactions on Database Systems (TODS)
On saying “Enough already!” in SQL
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Preferred answer sets for extended logic programs
Artificial Intelligence
Preference structures and their numerical representations
Theoretical Computer Science
SQL: 1999, formerly known as SQL3
ACM SIGMOD Record
A framework for expressing and combining preferences
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Prioritized logic programming and its application to commonsense reasoning
Artificial Intelligence
Preference queries in deductive databases
New Generation Computing
PREFER: a system for the efficient execution of multi-parametric ranked queries
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Foundations of Databases: The Logical Level
Foundations of Databases: The Logical Level
Top-k selection queries over relational databases: Mapping strategies and performance evaluation
ACM Transactions on Database Systems (TODS)
Programming with non-determinism in deductive databases
Annals of Mathematics and Artificial Intelligence
Querying with Intrinsic Preferences
EDBT '02 Proceedings of the 8th International Conference on Extending Database Technology: Advances in Database Technology
Proceedings of the 17th International Conference on Data Engineering
Proceedings of the Third Workshop on Information Systems and Artificial Intelligence: Management and Processing of Complex Data Structures
Preferences; Putting More Knowledge into Queries
VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases
The complexity of relational query languages (Extended Abstract)
STOC '82 Proceedings of the fourteenth annual ACM symposium on Theory of computing
An optimal and progressive algorithm for skyline queries
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Shooting stars in the sky: an online algorithm for skyline queries
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
Foundations of preferences in database systems
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
Preference SQL: design, implementation, experiences
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
Constraint Databases
Reasoning with conditional ceteris paribus preference statements
UAI'99 Proceedings of the Fifteenth conference on Uncertainty in artificial intelligence
Compact value-function representations for qualitative preferences
UAI '04 Proceedings of the 20th conference on Uncertainty in artificial intelligence
Personalized Queries under a Generalized Preference Model
ICDE '05 Proceedings of the 21st International Conference on Data Engineering
Stratified computation of skylines with partially-ordered domains
Proceedings of the 2005 ACM SIGMOD international conference on Management of data
Extending SQL with customizable soft selection conditions
Proceedings of the 2005 ACM symposium on Applied computing
Optimization of relational preference queries
ADC '05 Proceedings of the 16th Australasian database conference - Volume 39
A personalization framework for OLAP queries
Proceedings of the 8th ACM international workshop on Data warehousing and OLAP
Proceedings of the 2006 ACM SIGMOD international conference on Management of data
Relaxing join and selection queries
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
SaLSa: computing the skyline without scanning the whole sky
CIKM '06 Proceedings of the 15th ACM international conference on Information and knowledge management
Enabling soft queries for data retrieval
Information Systems
Semantic optimization techniques for preference queries
Information Systems
XMatch: A language for satisfaction-based selection of Grid services
Scientific Programming - Dynamic Grids and Worldwide Computing
Database querying under changing preferences
Annals of Mathematics and Artificial Intelligence
Designing personalized curricula based on student preferences
SIGDOC '07 Proceedings of the 25th annual ACM international conference on Design of communication
OLAP preferences: a research agenda
Proceedings of the ACM tenth international workshop on Data warehousing and OLAP
Efficient computation of reverse skyline queries
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
Graphically structured value-function compilation
Artificial Intelligence
Fast contextual preference scoring of database tuples
EDBT '08 Proceedings of the 11th international conference on Extending database technology: Advances in database technology
Efficient sort-based skyline evaluation
ACM Transactions on Database Systems (TODS)
Exploiting Preferences for Minimal Credential Disclosure in Policy-Driven Trust Negotiations
SDM '08 Proceedings of the 5th VLDB workshop on Secure Data Management
Developing Preference Band Model to Manage Collective Preferences
ER '08 Proceedings of the 27th International Conference on Conceptual Modeling
Contextual Ranking of Database Querying Results: A Statistical Approach
EuroSSC '08 Proceedings of the 3rd European Conference on Smart Sensing and Context
The Right Expert at the Right Time and Place
PAKM '08 Proceedings of the 7th International Conference on Practical Aspects of Knowledge Management
Preferential Regular Path Queries
Fundamenta Informaticae
A methodology for preference-based personalization of contextual data
Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
Answering approximate queries over autonomous web databases
Proceedings of the 18th international conference on World wide web
CPref-SQL: a query language supporting conditional preferences
Proceedings of the 2009 ACM symposium on Applied Computing
Building an efficient preference XML query processor
Proceedings of the 2009 ACM symposium on Applied Computing
Stratified division queries involving ordinal user preferences
Proceedings of the 2009 ACM symposium on Applied Computing
Tolerant division queries and possibilistic database querying
Fuzzy Sets and Systems
SSDBM 2009 Proceedings of the 21st International Conference on Scientific and Statistical Database Management
Anti-division Queries with Ordinal Layered Preferences
ECSQARU '09 Proceedings of the 10th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
Toward context and preference-aware location-based services
Proceedings of the Eighth ACM International Workshop on Data Engineering for Wireless and Mobile Access
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
DEXA '09 Proceedings of the 20th International Conference on Database and Expert Systems Applications
Top-k Queries with Contextual Fuzzy Preferences
DEXA '09 Proceedings of the 20th International Conference on Database and Expert Systems Applications
On Three Classes of Division Queries Involving Ordinal Preferences
ISMIS '09 Proceedings of the 18th International Symposium on Foundations of Intelligent Systems
Preference-aware publish/subscribe delivery with diversity
Proceedings of the Third ACM International Conference on Distributed Event-Based Systems
Minimal contraction of preference relations
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 1
Preference-based search using example-critiquing with suggestions
Journal of Artificial Intelligence Research
Relaxing RDF queries based on user and domain preferences
Journal of Intelligent Information Systems
Location-aware privacy and more: a systems approach using context-aware database management systems
Proceedings of the 2nd SIGSPATIAL ACM GIS 2009 International Workshop on Security and Privacy in GIS and LBS
Distributed and Parallel Databases
Discovering relative importance of skyline attributes
Proceedings of the VLDB Endowment
A Flexible Querying Approach Based on Outranking and Classification
FQAS '09 Proceedings of the 8th International Conference on Flexible Query Answering Systems
About Bipolar Division Operators
FQAS '09 Proceedings of the 8th International Conference on Flexible Query Answering Systems
Evaluation and optimization of the catalog search process of e-procurement platforms
Electronic Commerce Research and Applications
Fuzzy sets in database and information systems: Status and opportunities
Fuzzy Sets and Systems
On fuzzy queries with contextual predicates
FUZZ-IEEE'09 Proceedings of the 18th international conference on Fuzzy Systems
Personalizing queries based on networks of composite preferences
ACM Transactions on Database Systems (TODS)
PerK: personalized keyword search in relational databases through preferences
Proceedings of the 13th International Conference on Extending Database Technology
Understanding the meaning of a shifted sky: a general framework on extending skyline query
The VLDB Journal — The International Journal on Very Large Data Bases
Extending relational algebra to handle bipolarity
Proceedings of the 2010 ACM Symposium on Applied Computing
Prioritized active integrity constraints for database maintenance
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
Eliciting matters: controlling skyline sizes by incremental integration of user preferences
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
Prioritized preferences and choice constraints
ER'07 Proceedings of the 26th international conference on Conceptual modeling
Algebraic optimization of relational queries with various kinds of preferences
SOFSEM'08 Proceedings of the 34th conference on Current trends in theory and practice of computer science
Database preferences queries: a possibilistic logic approach with symbolic priorities
FoIKS'08 Proceedings of the 5th international conference on Foundations of information and knowledge systems
Call to order: a hierarchical browsing approach to eliciting users' preference
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
Supporting ranking queries on uncertain and incomplete data
The VLDB Journal — The International Journal on Very Large Data Bases
New Frontiers in business intelligence: distribution and personalization
ADBIS'10 Proceedings of the 14th east European conference on Advances in databases and information systems
Strict and tolerant antidivision queries with ordinal layered preferences
International Journal of Approximate Reasoning
Efficient skyline evaluation over partially ordered domains
Proceedings of the VLDB Endowment
A flexible bipolar querying approach with imprecise data and guaranteed results
Fuzzy Sets and Systems
Preference elicitation in prioritized skyline queries
The VLDB Journal — The International Journal on Very Large Data Bases
Preferences in AI: An overview
Artificial Intelligence
Contracting preference relations for database applications
Artificial Intelligence
A survey on representation, composition and application of preferences in database systems
ACM Transactions on Database Systems (TODS)
A preference query model based on a fusion of local orders
ECSQARU'11 Proceedings of the 11th European conference on Symbolic and quantitative approaches to reasoning with uncertainty
On different types of fuzzy skylines
ISMIS'11 Proceedings of the 19th international conference on Foundations of intelligent systems
On database queries involving inferred fuzzy predicates
ISMIS'11 Proceedings of the 19th international conference on Foundations of intelligent systems
Ranking of semantically annotated media resources
SAMT'10 Proceedings of the 5th international conference on Semantic and digital media technologies
Personalizing queries over large data tables
ADBIS'11 Proceedings of the 15th international conference on Advances in databases and information systems
Relaxing queries based on XML structure and content preferences
WISS'10 Proceedings of the 2010 international conference on Web information systems engineering
On three classes of division queries involving ordinal preferences
Journal of Intelligent Information Systems
Selecting and ranking business processes with preferences: an approach based on fuzzy sets
OTM'11 Proceedings of the 2011th Confederated international conference on On the move to meaningful internet systems - Volume Part I
Modeling the propagation of user preferences
ER'11 Proceedings of the 30th international conference on Conceptual modeling
Preferentially annotated regular path queries
ICDT'07 Proceedings of the 11th international conference on Database Theory
Towards a language for a satisfaction-based selection of grid services
PPAM'05 Proceedings of the 6th international conference on Parallel Processing and Applied Mathematics
Top-k skyline: a unified approach
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
Preference revision via declarative debugging
EPIA'05 Proceedings of the 12th Portuguese conference on Progress in Artificial Intelligence
Emergence of cooperation through mutual preference revision
IEA/AIE'06 Proceedings of the 19th international conference on Advances in Applied Artificial Intelligence: industrial, Engineering and Other Applications of Applied Intelligent Systems
Querying with preferences in a digital library
Proceedings of the 2005 international conference on Federation over the Web
A preference-based recommender system
EC-Web'06 Proceedings of the 7th international conference on E-Commerce and Web Technologies
Conceptual views for entity-centric search: turning data into meaningful concepts
Computer Science - Research and Development
Querying the semantic web with preferences
ISWC'06 Proceedings of the 5th international conference on The Semantic Web
QSQL: incorporating logic-based retrieval conditions into SQL
DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part I
Highly scalable multiprocessing algorithms for preference-based database retrieval
DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part II
ECSQARU'05 Proceedings of the 8th European conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
Iterative modification and incremental evaluation of preference queries
FoIKS'06 Proceedings of the 4th international conference on Foundations of Information and Knowledge Systems
Preference-based query tuning through refinement/enlargement in a formal context
FoIKS'06 Proceedings of the 4th international conference on Foundations of Information and Knowledge Systems
A model of user preferences for semantic services discovery and ranking
ESWC'10 Proceedings of the 7th international conference on The Semantic Web: research and Applications - Volume Part II
A context-aware preference model for database querying in an ambient intelligent environment
DEXA'06 Proceedings of the 17th international conference on Database and Expert Systems Applications
Modeling and storing context-aware preferences
ADBIS'06 Proceedings of the 10th East European conference on Advances in Databases and Information Systems
Preference-driven querying of inconsistent relational databases
EDBT'06 Proceedings of the 2006 international conference on Current Trends in Database Technology
Processing preference queries in standard database systems
ADVIS'06 Proceedings of the 4th international conference on Advances in Information Systems
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
On possibilistic skyline queries
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
A fuzzy-rule-based approach to the handling of inferred fuzzy predicates in database queries
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
Database preference queries--a possibilistic logic approach with symbolic priorities
Annals of Mathematics and Artificial Intelligence
Representing and reasoning with qualitative preferences for compositional systems
Journal of Artificial Intelligence Research
PrefDB: bringing preferences closer to the DBMS
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data
Composition and efficient evaluation of context-aware preference queries
DASFAA'12 Proceedings of the 17th international conference on Database Systems for Advanced Applications - Volume Part II
On four noncommutative fuzzy connectives and their axiomatization
Fuzzy Sets and Systems
Prioritized repairing and consistent query answering in relational databases
Annals of Mathematics and Artificial Intelligence
Information Sciences: an International Journal
Preferential Regular Path Queries
Fundamenta Informaticae
On a fuzzy bipolar relational algebra
Information Sciences: an International Journal
Semantics and pragmatics of preference queries in digital libraries
ECDL'07 Proceedings of the 11th European conference on Research and Advanced Technology for Digital Libraries
Exploiting preference queries for searching learning resources
EC-TEL'07 Proceedings of the Second European conference on Technology Enhanced Learning: creating new learning experiences on a global scale
Preference-based integration of relational databases into a description logic
DEXA'07 Proceedings of the 18th international conference on Database and Expert Systems Applications
Applications of ordinal ranks to flexible query answering
SUM'12 Proceedings of the 6th international conference on Scalable Uncertainty Management
An algebra of layered complex preferences
RAMiCS'12 Proceedings of the 13th international conference on Relational and Algebraic Methods in Computer Science
On a preference query language that handles symbolic scores
ADBIS'12 Proceedings of the 16th East European conference on Advances in Databases and Information Systems
User-centric principles in automated decision making
SBIA'12 Proceedings of the 21st Brazilian conference on Advances in Artificial Intelligence
On contextual ranking queries in databases
Information Systems
Semi-skyline optimization of constrained skyline queries
ADC '11 Proceedings of the Twenty-Second Australasian Database Conference - Volume 115
Flexible and extensible preference evaluation in database systems
ACM Transactions on Database Systems (TODS)
Querying graphs with preferences
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
IPS: an interactive package configuration system for trip planning
Proceedings of the VLDB Endowment
Skyline queries, front and back
ACM SIGMOD Record
Preference-based query answering in datalog+/- ontologies
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
Optimized data management for e-learning in the clouds towards Cloodle
Proceedings of the Fourth Symposium on Information and Communication Technology
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The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and extraction to reduce the volume of data presented to the user. They are also used to keep track of user profiles and formulate policies to improve and automate decision making.We propose here a simple, logical framework for formulating preferences as preference formulas. The framework does not impose any restrictions on the preference relations, and allows arbitrary operation and predicate signatures in preference formulas. It also makes the composition of preference relations straightforward. We propose a simple, natural embedding of preference formulas into relational algebra (and SQL) through a single winnow operator parameterized by a preference formula. The embedding makes possible the formulation of complex preference queries, for example, involving aggregation, by piggybacking on existing SQL constructs. It also leads in a natural way to the definition of further, preference-related concepts like ranking. Finally, we present general algebraic laws governing the winnow operator and its interactions with other relational algebra operators. The preconditions on the applicability of the laws are captured by logical formulas. The laws provide a formal foundation for the algebraic optimization of preference queries. We demonstrate the usefulness of our approach through numerous examples.