On the limited memory BFGS method for large scale optimization
Mathematical Programming: Series A and B
A tutorial on hidden Markov models and selected applications in speech recognition
Readings in speech recognition
The Hierarchical Hidden Markov Model: Analysis and Applications
Machine Learning
Recognition of Visual Activities and Interactions by Stochastic Parsing
IEEE Transactions on Pattern Analysis and Machine Intelligence
The design and applications of a context service
ACM SIGMOBILE Mobile Computing and Communications Review
Modelling and Using Sensed Context Information in the Design of Interactive Applications
EHCI '01 Proceedings of the 8th IFIP International Conference on Engineering for Human-Computer Interaction
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
Recognizing multitasked activities from video using stochastic context-free grammar
Eighteenth national conference on Artificial intelligence
Composing Pervasive Data Using iQL
WMCSA '02 Proceedings of the Fourth IEEE Workshop on Mobile Computing Systems and Applications
Formalizing Context (Expanded Notes)
Formalizing Context (Expanded Notes)
Large-Scale Event Detection Using Semi-Hidden Markov Models
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
A Probabilistic Extension to Ontology Language OWL
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 4 - Volume 4
Modelling and Using Imperfect Context Information
PERCOMW '04 Proceedings of the Second IEEE Annual Conference on Pervasive Computing and Communications Workshops
Learning to Detect User Activity and Availability from a Variety of Sensor Data
PERCOM '04 Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04)
Mining models of human activities from the web
Proceedings of the 13th international conference on World Wide Web
An ontology for context-aware pervasive computing environments
The Knowledge Engineering Review
Use of ontologies in a pervasive computing environment
The Knowledge Engineering Review
Reasoning about Uncertain Contexts in Pervasive Computing Environments
IEEE Pervasive Computing
Training conditional random fields via gradient tree boosting
ICML '04 Proceedings of the twenty-first international conference on Machine learning
WI '04 Proceedings of the 2004 IEEE/WIC/ACM International Conference on Web Intelligence
An Ontology for Video Event Representation
CVPRW '04 Proceedings of the 2004 Conference on Computer Vision and Pattern Recognition Workshop (CVPRW'04) Volume 7 - Volume 07
Automatic Analysis of Multimodal Group Actions in Meetings
IEEE Transactions on Pattern Analysis and Machine Intelligence
MiddleWhere: a middleware for location awareness in ubiquitous computing applications
Proceedings of the 5th ACM/IFIP/USENIX international conference on Middleware
Hybrid Context Model Based on Multilevel Situation Theory and Ontology for Contact Centers
PERCOMW '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications Workshops
Complexity Reduction in Lattice-Based Information Retrieval
Information Retrieval
A service-oriented middleware for building context-aware services
Journal of Network and Computer Applications
The Knowledge Engineering Review
Activity Recognition and Abnormality Detection with the Switching Hidden Semi-Markov Model
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 1 - Volume 01
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 2 - Volume 02
Data Mining: Concepts and Techniques
Data Mining: Concepts and Techniques
Feature Subset Selection and Feature Ranking for Multivariate Time Series
IEEE Transactions on Knowledge and Data Engineering
Modeling Uncertainty in Context-Aware Computing
Proceedings of the Fourth Annual ACIS International Conference on Computer and Information Science
Naive Bayes models for probability estimation
ICML '05 Proceedings of the 22nd international conference on Machine learning
Fine-Grained Activity Recognition by Aggregating Abstract Object Usage
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Situation Determination with Reusable Situation Specifications
PERCOMW '06 Proceedings of the 4th annual IEEE international conference on Pervasive Computing and Communications Workshops
Activity Recognition and Monitoring Using Multiple Sensors on Different Body Positions
BSN '06 Proceedings of the International Workshop on Wearable and Implantable Body Sensor Networks
Hierarchical Situation Modeling and Reasoning for Pervasive Computing
SEUS-WCCIA '06 Proceedings of the The Fourth IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, and the Second International Workshop on Collaborative Computing, Integration, and Assurance (SEUS-WCCIA'06)
Recognition of Composite Human Activities through Context-Free Grammar Based Representation
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2
Unsupervised analysis of activity sequences using event-motifs
Proceedings of the 4th ACM international workshop on Video surveillance and sensor networks
Building concept ontology for medical video annotation
MULTIMEDIA '06 Proceedings of the 14th annual ACM international conference on Multimedia
Situations in Conceptual Modeling of Context
EDOCW '06 Proceedings of the 10th IEEE on International Enterprise Distributed Object Computing Conference Workshops
Data Mining: Practical Machine Learning Tools and Techniques, Second Edition (Morgan Kaufmann Series in Data Management Systems)
How smart are our environments? An updated look at the state of the art
Pervasive and Mobile Computing
Recognition of emergent human behaviour in a smart home: A data mining approach
Pervasive and Mobile Computing
Extracting Places and Activities from GPS Traces Using Hierarchical Conditional Random Fields
International Journal of Robotics Research
Unsupervised clustering of ambulatory audio and video
ICASSP '99 Proceedings of the Acoustics, Speech, and Signal Processing, 1999. on 1999 IEEE International Conference - Volume 06
Mining statistically important equivalence classes and delta-discriminative emerging patterns
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Situational computing: An innovative architecture with imprecise reasoning
Journal of Systems and Software
Conditional random fields for activity recognition
Proceedings of the 6th international joint conference on Autonomous agents and multiagent systems
A Survey on Application of Situation Calculus in Business Information Systems
ICCIT '07 Proceedings of the 2007 International Conference on Convergence Information Technology
ICDMW '07 Proceedings of the Seventh IEEE International Conference on Data Mining Workshops
Ontology-based models in pervasive computing systems
The Knowledge Engineering Review
Resolving uncertainty in context integration and abstraction: context integration and abstraction
Proceedings of the 5th international conference on Pervasive services
Accurate activity recognition in a home setting
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Discovery of activity patterns using topic models
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Dealing with sensor displacement in motion-based onbody activity recognition systems
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Who will be the customer?: a social robot that anticipates people's behavior from their trajectories
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Recognising Human Emotions from Body Movement and Gesture Dynamics
ACII '07 Proceedings of the 2nd international conference on Affective Computing and Intelligent Interaction
Reasoning about Context in Uncertain Pervasive Computing Environments
EuroSSC '08 Proceedings of the 3rd European Conference on Smart Sensing and Context
Detecting small group activities from multimodal observations
Applied Intelligence
Robust Recognition of Reading Activity in Transit Using Wearable Electrooculography
Pervasive '08 Proceedings of the 6th International Conference on Pervasive Computing
Evidential fusion of sensor data for activity recognition in smart homes
Pervasive and Mobile Computing
Review: Ambient intelligence: Technologies, applications, and opportunities
Pervasive and Mobile Computing
Ontonym: a collection of upper ontologies for developing pervasive systems
Proceedings of the 1st Workshop on Context, Information and Ontologies
Inferring Identity Using Accelerometers in Television Remote Controls
Pervasive '09 Proceedings of the 7th International Conference on Pervasive Computing
Towards Ontology-Based Formal Verification Methods for Context Aware Systems
Pervasive '09 Proceedings of the 7th International Conference on Pervasive Computing
Multi Activity Recognition Based on Bodymodel-Derived Primitives
LoCA '09 Proceedings of the 4th International Symposium on Location and Context Awareness
Activity Inference through Sequence Alignment
LoCA '09 Proceedings of the 4th International Symposium on Location and Context Awareness
Daily Routine Recognition through Activity Spotting
LoCA '09 Proceedings of the 4th International Symposium on Location and Context Awareness
A novel sequence representation for unsupervised analysis of human activities
Artificial Intelligence
Context-Aware Activity Recognition through a Combination of Ontological and Statistical Reasoning
UIC '09 Proceedings of the 6th International Conference on Ubiquitous Intelligence and Computing
Ambient kitchen: designing situated services using a high fidelity prototyping environment
Proceedings of the 2nd International Conference on PErvasive Technologies Related to Assistive Environments
Using situation lattices in sensor analysis
PERCOM '09 Proceedings of the 2009 IEEE International Conference on Pervasive Computing and Communications
PERCOM '09 Proceedings of the 2009 IEEE International Conference on Pervasive Computing and Communications
Feature selection for activity recognition in multi-robot domains
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 3
Policy recognition in the abstract hidden Markov model
Journal of Artificial Intelligence Research
Review: The use of pervasive sensing for behaviour profiling - a survey
Pervasive and Mobile Computing
An Ontology for Event Detection and its Application in Surveillance Video
AVSS '09 Proceedings of the 2009 Sixth IEEE International Conference on Advanced Video and Signal Based Surveillance
Extended Dempster-Shafer Theory in Context Reasoning for Ubiquitous Computing Environments
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 02
Learning situation models in a smart home
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on human computing
Sensor-Based Human Activity Recognition in a Multi-user Scenario
AmI '09 Proceedings of the European Conference on Ambient Intelligence
Object relevance weight pattern mining for activity recognition and segmentation
Pervasive and Mobile Computing
LOC8: A Location Model and Extensible Framework for Programming with Location
IEEE Pervasive Computing
Modeling and intelligibility in ambient environments
Journal of Ambient Intelligence and Smart Environments
Developing context-aware pervasive computing applications: Models and approach
Pervasive and Mobile Computing
A survey of context modelling and reasoning techniques
Pervasive and Mobile Computing
Incremental awareness and compositionality: A design philosophy for context-aware pervasive systems
Pervasive and Mobile Computing
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
A long-term evaluation of sensing modalities for activity recognition
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
An unsupervised approach to activity recognition and segmentation based on object-use fingerprints
Data & Knowledge Engineering
Using Dempster-Shafer theory of evidence for situation inference
EuroSSC'09 Proceedings of the 4th European conference on Smart sensing and context
A context quality model to support transparent reasoning with uncertain context
QuaCon'09 Proceedings of the 1st international conference on Quality of context
Learning patterns in ambient intelligence environments: a survey
Artificial Intelligence Review
Activity recognition using temporal evidence theory
Journal of Ambient Intelligence and Smart Environments
RTCSA '10 Proceedings of the 2010 IEEE 16th International Conference on Embedded and Real-Time Computing Systems and Applications
Automatic Modeling of Frequent User Behaviours in Intelligent Environments
IE '10 Proceedings of the 2010 Sixth International Conference on Intelligent Environments
On using temporal features to create more accurate human-activity classifiers
AICS'09 Proceedings of the 20th Irish conference on Artificial intelligence and cognitive science
Exploring semantics in activity recognition using context lattices
Journal of Ambient Intelligence and Smart Environments
Building reliable activity models using hierarchical shrinkage and mined ontology
PERVASIVE'06 Proceedings of the 4th international conference on Pervasive Computing
Transferring knowledge of activity recognition across sensor networks
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Spatiotemporal reasoning for smart homes
Designing Smart Homes
IEEE Transactions on Information Technology in Biomedicine
Machine Recognition of Human Activities: A Survey
IEEE Transactions on Circuits and Systems for Video Technology
Gradient calculations for dynamic recurrent neural networks: a survey
IEEE Transactions on Neural Networks
Proceedings of the 2011 international workshop on Situation activity & goal awareness
Towards situational business process modeling support
Proceedings of the 29th Annual European Conference on Cognitive Ergonomics
A middleware for pervasive situation-awareness
DAIS'12 Proceedings of the 12th IFIP WG 6.1 international conference on Distributed Applications and Interoperable Systems
Situation recognition in sensor based environments using concept lattices
Proceedings of the CUBE International Information Technology Conference
Journal of Network and Computer Applications
Formal verification of context and situation models in pervasive computing
Pervasive and Mobile Computing
Detection of motion disorders of patients with autism spectrum disorders
IWAAL'12 Proceedings of the 4th international conference on Ambient Assisted Living and Home Care
Modelling interpersonal relations in surgical teams with fuzzy logic
MICAI'12 Proceedings of the 11th Mexican international conference on Advances in Artificial Intelligence - Volume Part I
Benchmarking smart spaces through autonomous virtual agents
Proceedings of the 2013 international conference on Autonomous agents and multi-agent systems
Synthesizing daily life logs through gaming and simulation
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
Situation Awareness in Applications of Ambient Assisted Living for Cognitive Impaired People
Mobile Networks and Applications
Reaching for the clouds: contextually enhancing smartphones for energy efficiency
Proceedings of the 2nd ACM workshop on High performance mobile opportunistic systems
Situation fencing: making geo-fencing personal and dynamic
Proceedings of the 1st ACM international workshop on Personal data meets distributed multimedia
A monitoring system enhanced by means of situation-awareness for cognitive impaired people
BodyNets '13 Proceedings of the 8th International Conference on Body Area Networks
CoCaMAAL: A cloud-oriented context-aware middleware in ambient assisted living
Future Generation Computer Systems
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Pervasive systems must offer an open, extensible, and evolving portfolio of services which integrate sensor data from a diverse range of sources. The core challenge is to provide appropriate and consistent adaptive behaviours for these services in the face of huge volumes of sensor data exhibiting varying degrees of precision, accuracy and dynamism. Situation identification is an enabling technology that resolves noisy sensor data and abstracts it into higher-level concepts that are interesting to applications. We provide a comprehensive analysis of the nature and characteristics of situations, discuss the complexities of situation identification, and review the techniques that are most popularly used in modelling and inferring situations from sensor data. We compare and contrast these techniques, and conclude by identifying some of the open research opportunities in the area.