Text classification in a hierarchical mixture model for small training sets
Proceedings of the tenth international conference on Information and knowledge management
Inferring hierarchical descriptions
Proceedings of the eleventh international conference on Information and knowledge management
Automating the Construction of Internet Portals with Machine Learning
Information Retrieval
Automatic labeling of semantic roles
Computational Linguistics
A Hierarchical Model for Clustering and Categorising Documents
Proceedings of the 24th BCS-IRSG European Colloquium on IR Research: Advances in Information Retrieval
Recognizing Indoor Images with Unsupervised Segmentation and Graph Matching
IBERAMIA 2002 Proceedings of the 8th Ibero-American Conference on AI: Advances in Artificial Intelligence
Probabilistic Topic Maps: Navigating through Large Text Collections
IDA '99 Proceedings of the Third International Symposium on Advances in Intelligent Data Analysis
Data mining tasks and methods: Clustering: conceptual clustering
Handbook of data mining and knowledge discovery
Identifying semantic relations in text
Exploring artificial intelligence in the new millennium
The Journal of Machine Learning Research
Semantic Role Parsing: Adding Semantic Structure to Unstructured Text
ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
Topic-based mixture language modelling
Natural Language Engineering
Sequential information bottleneck for finite data
ICML '04 Proceedings of the twenty-first international conference on Machine learning
Probabilistic models of verb-argument structure
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
Automatic labeling of semantic roles
ACL '00 Proceedings of the 38th Annual Meeting on Association for Computational Linguistics
Evaluating the impact of selection noise in community-based web search
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
Word sense disambiguation with pictures
Artificial Intelligence - Special volume on connecting language to the world
Two-dimensional clustering for text categorization
COLING-02 proceedings of the 6th conference on Natural language learning - Volume 20
Exploring social annotations for the semantic web
Proceedings of the 15th international conference on World Wide Web
A study of mixture models for collaborative filtering
Information Retrieval
Emotion recognition from text using semantic labels and separable mixture models
ACM Transactions on Asian Language Information Processing (TALIP)
Chinese verb sense discrimination using an EM clustering model with rich linguistic features
ACL '04 Proceedings of the 42nd Annual Meeting on Association for Computational Linguistics
Protein classification by matching and clustering surface graphs
Pattern Recognition
Optimizing web search using social annotations
Proceedings of the 16th international conference on World Wide Web
Ontology learning: state of the art and open issues
Information Technology and Management
Using social annotations to improve language model for information retrieval
Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
Towards robust semantic role labeling
Computational Linguistics
Concept-Based Document Recommendations for CiteSeer Authors
AH '08 Proceedings of the 5th international conference on Adaptive Hypermedia and Adaptive Web-Based Systems
User language model for collaborative personalized search
ACM Transactions on Information Systems (TOIS)
Knowledge Supervised Text Classification with No Labeled Documents
PRICAI '08 Proceedings of the 10th Pacific Rim International Conference on Artificial Intelligence: Trends in Artificial Intelligence
Semi-Supervised Learning to Classify Evaluative Expressions from Labeled and Unlabeled Texts
IEICE - Transactions on Information and Systems
Latent Variable Models for Causal Knowledge Acquisition
CICLing '07 Proceedings of the 8th International Conference on Computational Linguistics and Intelligent Text Processing
Transfer learning for collaborative filtering via a rating-matrix generative model
ICML '09 Proceedings of the 26th Annual International Conference on Machine Learning
On the integration of grounding language and learning objects
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
The cluster-abstraction model: unsupervised learning of topic hierarchies from text data
IJCAI'99 Proceedings of the 16th international joint conference on Artificial intelligence - Volume 2
Latent class models for collaborative filtering
IJCAI'99 Proceedings of the 16th international joint conference on Artificial intelligence - Volume 2
Word sense disambiguation with pictures
Artificial Intelligence - Special volume on connecting language to the world
ACM attributed graph clustering for learning classes of images
GbRPR'03 Proceedings of the 4th IAPR international conference on Graph based representations in pattern recognition
Collocation extraction beyond the independence assumption
ACLShort '10 Proceedings of the ACL 2010 Conference Short Papers
Extraction of Places Related to Flickr Tags
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
Transition-based semantic role labeling using predicate argument clustering
RELMS '11 Proceedings of the ACL 2011 Workshop on Relational Models of Semantics
A generative dyadic aspect model for evidence accumulation clustering
SIMBAD'11 Proceedings of the First international conference on Similarity-based pattern recognition
Preference-based graphic models for collaborative filtering
UAI'03 Proceedings of the Nineteenth conference on Uncertainty in Artificial Intelligence
A probabilistic clustering-projection model for discrete data
PKDD'05 Proceedings of the 9th European conference on Principles and Practice of Knowledge Discovery in Databases
A comparative study on the use of labeled and unlabeled data for large margin classifiers
IJCNLP'04 Proceedings of the First international joint conference on Natural Language Processing
Application of semi-supervised learning to evaluative expression classification
CICLing'06 Proceedings of the 7th international conference on Computational Linguistics and Intelligent Text Processing
Case-based sequential ordering of songs for playlist recommendation
ECCBR'06 Proceedings of the 8th European conference on Advances in Case-Based Reasoning
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Modeling and predicting co-occurrences of events is a fundamental problem of unsupervised learning. In this contribution we develop a statistical framework for analyzing co-occurrence data in a general setting where elementary observations are joint occurrences of pairs of abstract objects from two finite sets. The main challenge for statistical models in this context is to overcome the inherent data sparseness and to estimate the probabilities for pairs which were rarely observed or even unobserved in a given sample set. Moreover, it is often of considerable interest to extract grouping structure or to find a hierarchical data organization. A novel family of mixture models is proposed which explain the observed data by a finite number of shared aspects or clusters. This provides a common framework for statistical inference and structure discovery and also includes several recently proposed models as special cases. Adopting the maximum likelihood principle, EM algorithms are derived to fit the model parameters. We develop improved versions of EM which largely avoid overfitting problems and overcome the inherent locality of EM--based optimization. Among the broad variety of possible applications, e.g., in information retrieval, natural language processing, data mining, and computer vision, we have chosen document retrieval, the statistical analysis of noun/adjective co-occurrence and the unsupervised segmentation of textured images to test and evaluate the proposed algorithms.