International Journal of Man-Machine Studies
Information Sciences—Informatics and Computer Science: An International Journal
Unsupervised Rough Set Classification Using GAs
Journal of Intelligent Information Systems
Rough Sets: Theoretical Aspects of Reasoning about Data
Rough Sets: Theoretical Aspects of Reasoning about Data
Adaptive Web Sites: Conceptual Cluster Mining
IJCAI '99 Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence
Rough Clustering: An Alternative to Find Meaningful Clusters by Using the Reducts from a Dataset
TSCTC '02 Proceedings of the Third International Conference on Rough Sets and Current Trends in Computing
Information Granules in Distributed Environment
RSFDGrC '99 Proceedings of the 7th International Workshop on New Directions in Rough Sets, Data Mining, and Granular-Soft Computing
Adaptive web sites: an AI challenge
IJCAI'97 Proceedings of the 15th international joint conference on Artifical intelligence - Volume 1
IEEE Transactions on Fuzzy Systems
Time Complexity of Rough Clustering: GAs versus K-Means
TSCTC '02 Proceedings of the Third International Conference on Rough Sets and Current Trends in Computing
Temporal analysis of clusters of supermarket customers: conventional versus interval set approach
Information Sciences—Informatics and Computer Science: An International Journal
A partitioning based algorithm to fuzzy co-cluster documents and words
Pattern Recognition Letters
Rough set based incremental clustering of interval data
Pattern Recognition Letters
Some refinements of rough k-means clustering
Pattern Recognition
A Rough Set Theoretic Approach to Clustering
Fundamenta Informaticae
Web Intelligence and Agent Systems
Rough-Fuzzy C-Medoids Algorithm and Selection of Bio-Basis for Amino Acid Sequence Analysis
IEEE Transactions on Knowledge and Data Engineering
Rough clustering of sequential data
Data & Knowledge Engineering
MMR: An algorithm for clustering categorical data using Rough Set Theory
Data & Knowledge Engineering
RFCM: A Hybrid Clustering Algorithm Using Rough and Fuzzy Sets
Fundamenta Informaticae
Precision of Rough Set Clustering
RSCTC '08 Proceedings of the 6th International Conference on Rough Sets and Current Trends in Computing
A Dynamic Approach to Rough Clustering
RSCTC '08 Proceedings of the 6th International Conference on Rough Sets and Current Trends in Computing
Shadowed Clustering for Speech Data and Medical Image Segmentation
RSCTC '08 Proceedings of the 6th International Conference on Rough Sets and Current Trends in Computing
A Hybrid Rough K-Means Algorithm and Particle Swarm Optimization for Image Classification
MICAI '08 Proceedings of the 7th Mexican International Conference on Artificial Intelligence: Advances in Artificial Intelligence
Generalized Agglomerative Clustering with Application to Information Systems
MDAI '08 Sabadell Proceedings of the 5th International Conference on Modeling Decisions for Artificial Intelligence
Maximum Class Separability for Rough-Fuzzy C-Means Based Brain MR Image Segmentation
Transactions on Rough Sets IX
Evolutionary Rough K-Means Clustering
RSKT '09 Proceedings of the 4th International Conference on Rough Sets and Knowledge Technology
Data Clustering Algorithms for Information Systems
RSFDGrC '07 Proceedings of the 11th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Clustering Fuzzy Web Transactions with Rough k-Means
AST '09 Proceedings of the 2009 International e-Conference on Advanced Science and Technology
Semi-supervised Rough Cost/Benefit Decisions
Fundamenta Informaticae - Fundamentals of Knowledge Technology
Rough-DBSCAN: A fast hybrid density based clustering method for large data sets
Pattern Recognition Letters
Rough Image Colour Quantisation
RSFDGrC '09 Proceedings of the 12th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Interval Set Cluster Analysis: A Re-formulation
RSFDGrC '09 Proceedings of the 12th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Rough Entropy Based k-Means Clustering
RSFDGrC '09 Proceedings of the 12th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
A Novel Possibilistic Fuzzy Leader Clustering Algorithm
RSFDGrC '09 Proceedings of the 12th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Evolutionary and Iterative Crisp and Rough Clustering I: Theory
PReMI '09 Proceedings of the 3rd International Conference on Pattern Recognition and Machine Intelligence
Shadowed c-means: Integrating fuzzy and rough clustering
Pattern Recognition
Temporal analysis of clusters of supermarket customers: conventional versus interval set approach
Information Sciences: an International Journal
Fuzzy C-means clustering of web users for educational sites
AI'03 Proceedings of the 16th Canadian society for computational studies of intelligence conference on Advances in artificial intelligence
Rough clustering and regression analysis
RSKT'07 Proceedings of the 2nd international conference on Rough sets and knowledge technology
Applications of rough set based K-means, Kohonen SOM, GA clustering
Transactions on rough sets VII
A reasonable rough approximation for clustering web users
WImBI'06 Proceedings of the 1st WICI international conference on Web intelligence meets brain informatics
PReMI'07 Proceedings of the 2nd international conference on Pattern recognition and machine intelligence
Comparison of conventional and rough K-means clustering
RSFDGrC'03 Proceedings of the 9th international conference on Rough sets, fuzzy sets, data mining, and granular computing
Rough-fuzzy knowledge encoding and uncertainty analysis: relevance in data mining
ICDCN'08 Proceedings of the 9th international conference on Distributed computing and networking
Rough cluster algorithm based on kernel function
RSKT'08 Proceedings of the 3rd international conference on Rough sets and knowledge technology
Rough-fuzzy clustering: an application to medical imagery
RSKT'08 Proceedings of the 3rd international conference on Rough sets and knowledge technology
Rough multi-category decision theoretic framework
RSKT'08 Proceedings of the 3rd international conference on Rough sets and knowledge technology
Rough-based semi-supervised outlier detection
FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 1
Semi-supervised outlier detection based on fuzzy rough C-means clustering
Mathematics and Computers in Simulation
Adaptive Rough Entropy Clustering Algorithms in Image Segmentation
Fundamenta Informaticae
Evolutionary rough k-medoid clustering
Transactions on rough sets VIII
The Knowledge Engineering Review
Expert Systems with Applications: An International Journal
Analysis of rough and fuzzy clustering
RSKT'10 Proceedings of the 5th international conference on Rough set and knowledge technology
Web users access paths clustering based on possibilistic and fuzzy sets theory
ADMA'10 Proceedings of the 6th international conference on Advanced data mining and applications: Part I
An improved rough clustering using discernibility based initial seed computation
ADMA'10 Proceedings of the 6th international conference on Advanced data mining and applications: Part I
Shadowed sets in the characterization of rough-fuzzy clustering
Pattern Recognition
International Journal of Hybrid Intelligent Systems - Rough and Fuzzy Methods for Data Mining
A novel possibilistic fuzzy leader clustering algorithm
International Journal of Hybrid Intelligent Systems - Rough and Fuzzy Methods for Data Mining
Satellite image segmentation with Shadowed C-Means
Information Sciences: an International Journal
Web clustering using a two-layer approach
WISM'11 Proceedings of the 2011 international conference on Web information systems and mining - Volume Part II
Rough kernel clustering algorithm with adaptive parameters
AICI'11 Proceedings of the Third international conference on Artificial intelligence and computational intelligence - Volume Part III
An extension to rough c-means clustering
RSKT'11 Proceedings of the 6th international conference on Rough sets and knowledge technology
Comparing clustering schemes at two levels of granularity for mobile call mining
RSKT'11 Proceedings of the 6th international conference on Rough sets and knowledge technology
Classification systems based on rough sets under the belief function framework
International Journal of Approximate Reasoning
Computational intelligence techniques for colour clustering
Proceedings of the 2011 International Conference on Innovative Computing and Cloud Computing
Outliers in rough k-means clustering
PReMI'05 Proceedings of the First international conference on Pattern Recognition and Machine Intelligence
A partitive rough clustering algorithm
RSCTC'06 Proceedings of the 5th international conference on Rough Sets and Current Trends in Computing
An improved clustering algorithm for information granulation
FSKD'05 Proceedings of the Second international conference on Fuzzy Systems and Knowledge Discovery - Volume Part I
Cluster-Based rough set construction
PAKDD'05 Proceedings of the 9th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining
Crisp and soft clustering of mobile calls
MIWAI'11 Proceedings of the 5th international conference on Multi-Disciplinary Trends in Artificial Intelligence
Partitive clustering (K-means family)
Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery
Dynamic clustering with soft computing
Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery
Dynamic rough clustering and its applications
Applied Soft Computing
Multiscale roughness measure for color image segmentation
Information Sciences: an International Journal
Semi-supervised Rough Cost/Benefit Decisions
Fundamenta Informaticae - Fundamentals of Knowledge Technology
RFCM: A Hybrid Clustering Algorithm Using Rough and Fuzzy Sets
Fundamenta Informaticae
Evidential clustering or rough clustering: the choice is yours
RSKT'12 Proceedings of the 7th international conference on Rough Sets and Knowledge Technology
A Rough Set Theoretic Approach to Clustering
Fundamenta Informaticae
Correlating Fuzzy and Rough Clustering
Fundamenta Informaticae - Rough Sets and Knowledge Technology (RSKT 2010)
Rough C-means and Fuzzy Rough C-means for Colour Quantisation
Fundamenta Informaticae - Emergent Computing
Inductive clustering and twofold approximations in nearest neighbor clustering
MDAI'12 Proceedings of the 9th international conference on Modeling Decisions for Artificial Intelligence
On rough set based non metric model
MDAI'12 Proceedings of the 9th international conference on Modeling Decisions for Artificial Intelligence
Soft clustering -- Fuzzy and rough approaches and their extensions and derivatives
International Journal of Approximate Reasoning
RPKM: the rough possibilistic k-modes
ISMIS'12 Proceedings of the 20th international conference on Foundations of Intelligent Systems
Rough set based fuzzy k-modes for categorical data
SEMCCO'12 Proceedings of the Third international conference on Swarm, Evolutionary, and Memetic Computing
Rough clustering using generalized fuzzy clustering algorithm
Pattern Recognition
Rough intuitionistic fuzzy C-means algorithm and a comparative analysis
Proceedings of the 6th ACM India Computing Convention
An extension to rough c-means clustering algorithm based on boundary area elements discrimination
Transactions on Rough Sets XVI
International Journal of Approximate Reasoning
An extension to Rough c-means clustering based on decision-theoretic Rough Sets model
International Journal of Approximate Reasoning
Iterative meta-clustering through granular hierarchy of supermarket customers and products
Information Sciences: an International Journal
Interval clustering algorithm for fast event detection in stream monitoring applications
Pattern Recognition Letters
An efficient color quantization based on generic roughness measure
Pattern Recognition
Survey of Clustering: Algorithms and Applications
International Journal of Information Retrieval Research
Fundamenta Informaticae - Cognitive Informatics and Computational Intelligence: Theory and Applications
A multivariate fuzzy system applied for outliers detection
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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Data collection and analysis in web mining faces certain unique challenges. Due to a variety of reasons inherent in web browsing and web logging, the likelihood of bad or incomplete data is higher than conventional applications. The analytical techniques in web mining need to accommodate such data. Fuzzy and rough sets provide the ability to deal with incomplete and approximate information. Fuzzy set theory has been shown to be useful in three important aspects of web and data mining, namely clustering, association, and sequential analysis. There is increasing interest in research on clustering based on rough set theory. Clustering is an important part of web mining that involves finding natural groupings of web resources or web users. Researchers have pointed out some important differences between clustering in conventional applications and clustering in web mining. For example, the clusters and associations in web mining do not necessarily have crisp boundaries. As a result, researchers have studied the possibility of using fuzzy sets in web mining clustering applications. Recent attempts have used genetic algorithms based on rough set theory for clustering. However, the genetic algorithms based clustering may not be able to handle the large amount of data typical in a web mining application. This paper proposes a variation of the K-means clustering algorithm based on properties of rough sets. The proposed algorithm represents clusters as interval or rough sets. The paper also describes the design of an experiment including data collection and the clustering process. The experiment is used to create interval set representations of clusters of web visitors.