Search results for "Concept"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
25	Alain Gély, Miguel Couceiro, Amedeo Napoli	Towards Distributivity in FCA for Phylogenetic Data.	Complex Data Analytics with Formal Concept Analysis	2022	DBLP DOI BibTeX RDF
25	Jaume Baixeries, Víctor Codocedo, Mehdi Kaytoue, Amedeo Napoli	Computing Dependencies Using FCA.	Complex Data Analytics with Formal Concept Analysis	2022	DBLP DOI BibTeX RDF
25	Alison Pease, Joseph Corneli	Evaluation of Creativity.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Tarek R. Besold	The Relationship Between Conceptual Blending and Analogical Reasoning.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Danny de Jesús Gómez-Ramírez, Alan Smaill	Formal Conceptual Blending in the (Co-)Invention of (Pure) Mathematics.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Maximos A. Kaliakatsos-Papakostas, Asterios I. Zacharakis, Emilios Cambouropoulos	Conceptual Blending in Melodic Harmonisation: Development and Empirical Evaluation in the Case of the CHAMELEON System.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Mihai Codescu, Fabian Neuhaus, Till Mossakowski, Oliver Kutz, Danny de Jesús Gómez-Ramírez	Conceptual Blending in DOL: Evaluating Consistency and Conflict Resolution.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Félix Bou, Enric Plaza, Marco Schorlemmer	Amalgams, Colimits, and Conceptual Blending.	Concept Invention	2018	DBLP DOI BibTeX RDF
25	Francesco Kriegel	Acquisition of Terminological Knowledge from Social Networks in Description Logic.	Formal Concept Analysis of Social Networks	2017	DBLP DOI BibTeX RDF
25	Daniel Borchmann, Tom Hanika	Individuality in Social Networks.	Formal Concept Analysis of Social Networks	2017	DBLP DOI BibTeX RDF
25	Martin Atzmueller	Descriptive Community Detection.	Formal Concept Analysis of Social Networks	2017	DBLP DOI BibTeX RDF
25	Camille Roth	Knowledge Communities and Socio-Cognitive Taxonomies.	Formal Concept Analysis of Social Networks	2017	DBLP DOI BibTeX RDF
25	Dmitry I. Ignatov, Alexander Semenov, Daria Komissarova, Dmitry V. Gnatyshak	Multimodal Clustering for Community Detection.	Formal Concept Analysis of Social Networks	2017	DBLP DOI BibTeX RDF
25	Cliff B. Jones, David B. Lomet, Alexander B. Romanovsky, Gerhard Weikum (eds.)	Atomicity: A Unifying Concept in Computer Science, 19.03. - 24.03.2006	Atomicity: A Unifying Concept in Computer Science	2006	DBLP BibTeX RDF
25	Calton Pu, Jim Johnson, Rogério de Lemos, Andreas Reuter 0001, David Taylor, Irfan Zakiuddin	06121 Report: Break Out Session on Guaranteed Execution.	Atomicity: A Unifying Concept in Computer Science	2006	DBLP BibTeX RDF
25	Bernhard Ganter, Gerd Stumme, Rudolf Wille (eds.)	Formal Concept Analysis, Foundations and Applications	Formal Concept Analysis	2005	DBLP DOI BibTeX RDF
25	Rudolf Wille	Conceptual Knowledge Processing in the Field of Economics.	Formal Concept Analysis	2005	DBLP DOI BibTeX RDF
25	Damian Borth, Adrian Ulges, Thomas M. Breuel	Relevance filtering meets active learning: improving web-based concept detectors.	Multimedia Information Retrieval	2010	DBLP DOI BibTeX RDF	content-based video retrieval, concept detection
25	Yusuf Kavurucu, Pinar Senkul, Ismail Hakki Toroslu	Analyzing Transitive Rules on a Hybrid Concept Discovery System.	HAIS	2009	DBLP DOI BibTeX RDF	MRDM, ILP, Transitive Rule, Concept Discovery
25	Man-Kwan Shan, Meng-Fen Chiang, Fang-Fei Kuo	Relevance feedback for category search in music retrieval based on semantic concept learning.	Multim. Tools Appl.	2008	DBLP DOI BibTeX RDF	Category search, Semantic concept learning, Relevance feedback, Music retrieval
25	Yuekui Yang, Yajun Du, Jingyu Sun, Yufeng Hai	A Topic-Specific Web Crawler with Concept Similarity Context Graph Based on FCA.	ICIC (2)	2008	DBLP DOI BibTeX RDF	Topic-specific spider, Search engine, Formal concept analysis
25	Wei Xu, Ping Xu, Wen-Xiu Zhang	Information Concept Lattice and Its Reductions.	RSKT	2007	DBLP DOI BibTeX RDF	discernibility matrices, rough set, information system, concept lattice
25	Vicki L. Almstrum, Peter B. Henderson, Valerie J. Harvey, Cinda Heeren, William A. Marion, Charles Riedesel, Leen-Kiat Soh, Allison Elliott Tew	Concept inventories in computer science for the topic discrete mathematics.	ACM SIGCSE Bull.	2006	DBLP DOI BibTeX RDF	distractors, assessment, discrete mathematics, misconceptions, assessment tools, concept inventory
25	Jianmin Ma, Wen-Xiu Zhang, Sheng Cai	Variable Threshold Concept Lattice and Dependence Space.	FSKD	2006	DBLP DOI BibTeX RDF	Fuzzy formal context, Variable threshold concept lattice, Dependence space, Closed set, Congruence
25	Hiroko Shoji, Koichi Hori	S-Conart: an interaction method that facilitates concept articulation in shopping online.	AI Soc.	2005	DBLP DOI BibTeX RDF	Concept articulation, Creative cognition, Interaction, Decision making, Online shopping
25	Razvan Stefan Bot, Yi-fang Brook Wu, Xin Chen 0007, Quanzhi Li	Generating better concept hierarchies using automatic document classification.	CIKM	2005	DBLP DOI BibTeX RDF	manual classification, information retrieval, document classification, concept hierarchy, automatic classification
25	Jun Wu 0022, Dayong Ding, Xian-Sheng Hua 0001, Bo Zhang 0010	Tracking concept drifting with an online-optimized incremental learning framework.	Multimedia Information Retrieval	2005	DBLP DOI BibTeX RDF	TREC video retrieval evaluation, gaussian mixture model, incremental learning, concept drifting, video content analysis
25	Son Doan, Susumu Horiguchi	Multiple Concept Learning - A Novel Approach to Feature Selection in Text Categorization.	WSTST	2005	DBLP DOI BibTeX RDF	Keyworks concept learning, machine learning, feature selection, text categorization
25	Paolo Tonella	Using a Concept Lattice of Decomposition Slices for Program Understanding and Impact Analysis.	IEEE Trans. Software Eng.	2003	DBLP DOI BibTeX RDF	software maintenance, program comprehension, Program slicing, impact analysis, concept analysis
25	David L. Chan, Robert W. P. Luk, W. K. Mak, Hong Va Leong, Edward Kei Shiu Ho, Qin Lu 0001	Multiple related document summary and navigation using concept hierarchies for mobile clients.	SAC	2002	DBLP DOI BibTeX RDF	mobile computing, mobile agent, navigation, browsing, summarization, information access, concept hierarchy
25	Vincent Dubois, Mohamed Quafafou	Concept Learning with Approximation: Rough Version Spaces.	Rough Sets and Current Trends in Computing	2002	DBLP DOI BibTeX RDF	Rough Sets, Approximation, Concept Learning, Version spaces
25	Paolo Tonella	Concept Analysis for Module Restructuring.	IEEE Trans. Software Eng.	2001	DBLP DOI BibTeX RDF	modularization, reengineering, abstract data type, legacy systems, encapsulation, restructuring, Concept analysis
25	Surafel Lemma Abebe, Paolo Tonella	Natural Language Parsing of Program Element Names for Concept Extraction.	ICPC	2010	DBLP DOI BibTeX RDF	concept location, concept extraction, ontology extraction
25	Gregor Snelting	Reengineering of Configurations Based on Mathematical Concept Analysis.	ACM Trans. Softw. Eng. Methodol.	1996	DBLP DOI BibTeX RDF	concept lattices, concept analysis
25	Léonard Kwuida	When Is a Concept Algebra Boolean?	ICFCA	2004	DBLP DOI BibTeX RDF
25	Sergei O. Kuznetsov	Machine Learning and Formal Concept Analysis.	ICFCA	2004	DBLP DOI BibTeX RDF
24	Jingzhi Guo, Zhuo Hu, Chi-Kit Chan, Yufeng Luo, Chun Chan	Document-oriented heterogeneous business process integration through collaborative e-marketplace.	ICEC	2008	DBLP DOI BibTeX RDF	CODEX, CONEX, COPEX, collaborative concept exchange, collaborative document exchange, collaborative process exchange, integration, business process, concept, electronic marketplace
24	Chen Wu, Quan Zhang	An Information Retrieval Model Based on Semantics.	PAKDD	2007	DBLP DOI BibTeX RDF	Concept-based Information retrieval, Domain language model, Word concept, Sentence category, Clustering method
24	David R. Musser, Sibylle Schupp, Rüdiger Loos	Requirement Oriented Programming.	Generic Programming	1998	DBLP DOI BibTeX RDF	requirement oriented programming, concept description language, algebraic concept definitions, TECTON, formal verification, specification language, generic programming, standard template library
24	Nicolas Jay, François Kohler, Amedeo Napoli	Analysis of Social Communities with Iceberg and Stability-Based Concept Lattices.	ICFCA	2008	DBLP DOI BibTeX RDF
24	Liang Gu, Yuqing Gao, Fu-Hua Liu, Michael Picheny	Concept-based speech-to-speech translation using maximum entropy models for statistical natural concept generation.	IEEE Trans. Speech Audio Process.	2006	DBLP DOI BibTeX RDF
24	Susanne Motameny, Beatrix Versmold, Rita Schmutzler	Formal Concept Analysis for the Identification of Combinatorial Biomarkers in Breast Cancer.	ICFCA	2008	DBLP DOI BibTeX RDF	classification, formal concept analysis, Gene expression, breast cancer
24	Naouel Moha, Amine Rouane Hacene, Petko Valtchev, Yann-Gaël Guéhéneuc	Refactorings of Design Defects Using Relational Concept Analysis.	ICFCA	2008	DBLP DOI BibTeX RDF	Relational Concept Analysis, Refactoring, Design Defects
24	Nicolas Jay, François Kohler, Amedeo Napoli	Using Formal Concept Analysis for Mining and Interpreting Patient Flows within a Healthcare Network.	CLA	2006	DBLP DOI BibTeX RDF	network, Formal Concept Analysis, frequent itemsets
24	Bernhard Ganter, Léonard Kwuida	Which Concept Lattices Are Pseudocomplemented?.	ICFCA	2005	DBLP DOI BibTeX RDF	pseudocomplement, arrow-relation, complete homomorphism, lattices, Formal Concept Analysis, closure operator
23	Bastiaan Schönhage, Anton Eliëns	Information Exchange in a Distributed Visualization Architecture: The Shared Concept Space.	DOA	2000	DBLP DOI BibTeX RDF
23	Fredrik Kilander, Carl Gustaf Jansson	COBBIT - A Control Procedure for COBWEB in the Presence of Concept Drift.	ECML	1993	DBLP DOI BibTeX RDF
23	Ard Oerlemans, Michael S. Lew	Minimum explanation complexity for MOD based visual concept detection.	Multimedia Information Retrieval	2010	DBLP DOI BibTeX RDF	local distinctiveness, visual concept detection, feature extraction, salient points
23	Mark J. Huiskes, Bart Thomee, Michael S. Lew	New trends and ideas in visual concept detection: the MIR flickr retrieval evaluation initiative.	Multimedia Information Retrieval	2010	DBLP DOI BibTeX RDF	visual concept detection, classification, benchmarking, content-based image retrieval, trends, image collections
23	Hao Xu, Jingdong Wang 0001, Xian-Sheng Hua 0001, Shipeng Li 0001	Image search by concept map.	SIGIR	2010	DBLP DOI BibTeX RDF	concept map, image search
23	Saleema Amershi, James Fogarty, Ashish Kapoor, Desney S. Tan	Overview based example selection in end user interactive concept learning.	UIST	2009	DBLP DOI BibTeX RDF	end-user interactive concept learning
23	Yan-Qing Yao, Ju-Sheng Mi	Fuzzy Concept Lattices Determined by (theta, sigma)-Fuzzy Rough Approximation Operators.	RSKT	2009	DBLP DOI BibTeX RDF	Fuzzy concept lattices, (?and ?)-fuzzy rough sets, Lukasiewicz implicator, Approximation operators
23	Peng Zhang 0001, Xingquan Zhu 0001, Yong Shi 0001, Xindong Wu 0001	An Aggregate Ensemble for Mining Concept Drifting Data Streams with Noise.	PAKDD	2009	DBLP DOI BibTeX RDF	Noisy Data Streams, Ensemble Learning, Concept Drifting
23	Kashif Riaz	Concept search in Urdu.	PIKM	2008	DBLP DOI BibTeX RDF	urdu, evaluation, stemming, concept search
23	Yongqing Sun, Satoshi Shimada, Yukinobu Taniguchi, Akira Kojima	A novel region-based approach to visual concept modeling using web images.	ACM Multimedia	2008	DBLP DOI BibTeX RDF	visual concept modeling, web image mining
23	Jingdong Wang 0001, Yinghai Zhao, Xiuqing Wu, Xian-Sheng Hua 0001	Transductive multi-label learning for video concept detection.	Multimedia Information Retrieval	2008	DBLP DOI BibTeX RDF	multi-label interdependence, transductive learning, video concept detection
23	Koen E. A. van de Sande, Theo Gevers, Cees G. M. Snoek	A comparison of color features for visual concept classification.	CIVR	2008	DBLP DOI BibTeX RDF	concept classification, object and video retrieval, spatial pyramid, color, invariance, bag-of-features
23	Yantao Zheng, Shi-Yong Neo, Tat-Seng Chua, Qi Tian 0002	Probabilistic optimized ranking for multimedia semantic concept detection via RVM.	CIVR	2008	DBLP DOI BibTeX RDF	high level feature detection, learning to rank, relevance vector machine, video concept detection
23	Ichiro Hirata, Toshiki Yamaoka	A Method of Design Improvement with the Structured Product Concept.	HCI (5)	2007	DBLP DOI BibTeX RDF	Product concept, Usability, Human Centered Design
23	Hila Becker, Marta Arias	Real-time ranking with concept drift using expert advice.	KDD	2007	DBLP DOI BibTeX RDF	data streams, ranking, online learning, concept drift
23	Chih-Ming Chen 0001, Chi-Jui Peng	Personalized E-learning System based on Ontology-based Concept Map Generation Scheme.	ICALT	2007	DBLP DOI BibTeX RDF	Learning path, Ontology, Concept map, Personalized learning
23	Markus Koskela, Alan F. Smeaton	An empirical study of inter-concept similarities in multimedia ontologies.	CIVR	2007	DBLP DOI BibTeX RDF	semantic concept detection, multimedia ontologies
23	Maikel León Espinosa, Natalia Martínez Sánchez, Zoila Zenaida García Valdivia	Concept maps and case-based reasoning: a perspective for the intelligent teaching/learning systems.	EATIS	2007	DBLP DOI BibTeX RDF	intelligent teaching/learning systems, case based reasoning, concept maps, student model
23	Shih-Ming Bai, Shyi-Ming Chen	A New Approach for Automatically Constructing Concept Maps Based on Fuzzy Rules.	IEA/AIE	2007	DBLP DOI BibTeX RDF	question-relationship graphs, concepts-relationship graphs, testing records, concept maps, Adaptive learning
23	Hongru Li, Ping Wei, Xiaoxue Song	Construction of Concept Lattices Based on Indiscernibility Matrices.	KSEM	2006	DBLP DOI BibTeX RDF	Indiscernibility matrix, Concept lattice, Congruence, Formal context, Semilattice
23	Zhang Ji-Fu, Hu Li-Hua, Zhang Su-Lan	A Pruning Based Incremental Construction Algorithm of Concept Lattice.	ICDM	2006	DBLP DOI BibTeX RDF	redundant information, incremental construction algorithm, star spectra, pruning, concept lattice
23	Sinh Hoa Nguyen, Trung Thanh Nguyen 0003, Hung Son Nguyen	Ontology Driven Concept Approximation.	RSCTC	2006	DBLP DOI BibTeX RDF	ontology, classification, rough sets, concept hierarchy
23	Jian-Hua Yeh, Shun-hong Sie	Towards Automatic Concept Hierarchy Generation for Specific Knowledge Network.	IEA/AIE	2006	DBLP DOI BibTeX RDF	cluster partitioning, tree similarity, hierarchical clustering, concept hierarchy
23	Masaru Ohba, Katsuhiko Gondow	Toward mining "concept keywords" from identifiers in large software projects.	ACM SIGSOFT Softw. Eng. Notes	2005	DBLP DOI BibTeX RDF	TF/IDF, concept keywords, program understanding, identifiers
23	Sigmar-Olaf Tergan, Tanja Keller	Digital Concept Mapping in Learning Contexts: Integrating Knowledge, Arguments and Information Resources.	IV	2005	DBLP DOI BibTeX RDF	argument visualization, Concept mapping, knowledge visualization, cognitive tool
23	Kevin Hartman, Kristen Pilner Blair	The unless switch: adding conditional logic to concept mapping for middle school students.	CHI Extended Abstracts	2005	DBLP DOI BibTeX RDF	logic, visual programming, concept maps, teachable agents
23	Xuegang Hu, Yuhong Zhang 0002, Xinya Wang	The Representation and Resolution of Rough Sets Based on the Extended Concept Lattice.	FSKD (1)	2005	DBLP DOI BibTeX RDF	Rough set, Rule, KDD, Concept Lattice
23	Masaru Ohba, Katsuhiko Gondow	Toward mining "concept keywords" from identifiers in large software projects.	MSR	2005	DBLP DOI BibTeX RDF	TF/IDF, concept keywords, program understanding, identifiers
23	Hangzai Luo, Jianping Fan 0001	Concept-oriented video skimming and adaptation via semantic classification.	Multimedia Information Retrieval	2004	DBLP DOI BibTeX RDF	concept-oriented video skimming and adaptation, semantic video classification
23	Jun Wang 0142, Les Gasser	Mutual online concept learning for multiple agents.	AAMAS	2002	DBLP DOI BibTeX RDF	mutual learning, online concept learning, ontology evolution, perceptron algorithm, language evolution
23	Tobias Kuipers, Leon Moonen	Types and Concept Analysis for Legacy Systems.	IWPC	2000	DBLP DOI BibTeX RDF	software maintenance, program analysis, program understanding, type inference, concept analysis
23	Chiung-Hui Chiu, Chun-Chieh Huang, Wen-Tsung Chang, Tsung-Ho Liang	Interaction processes in network supported collaborative concept mapping.	ITiCSE	1999	DBLP DOI BibTeX RDF	collaborative learning, concept mapping, interactive learning, interaction processes
23	Christine Decaestecker	Description Contrasting in Incremental Concept Formation.	EWSL	1991	DBLP DOI BibTeX RDF	Incremental Conceptual Clustering, Typical value, Attribute selection, Concept Formation
23	Dean van der Merwe, Sergei A. Obiedkov, Derrick G. Kourie	AddIntent: A New Incremental Algorithm for Constructing Concept Lattices.	ICFCA	2004	DBLP DOI BibTeX RDF
23	Peter W. Eklund, Jon Ducrou, Peter Brawn	Concept Lattices for Information Visualization: Can Novices Read Line-Diagrams?	ICFCA	2004	DBLP DOI BibTeX RDF
23	Michael Bain 0001	Predicate Invention and the Revision of First-Order Concept Lattices.	ICFCA	2004	DBLP DOI BibTeX RDF
23	Debbie Richards 0001	Using Concept Lattices for Requirements Reconciliation.	ICFCA	2004	DBLP DOI BibTeX RDF
23	Franz Baader, Baris Sertkaya	Applying Formal Concept Analysis to Description Logics.	ICFCA	2004	DBLP DOI BibTeX RDF
22	Andrei Rimsa, Luis E. Zárate, Mark A. J. Song	Evaluation of Different BDD Libraries to Extract Concepts in FCA - Perspectives and Limitations.	ICCS (1)	2009	DBLP DOI BibTeX RDF	Zero-Supressed Binary Decision Diagrams, Formal Concept Analysis, Binary Decision Diagrams, Formal Context, Formal Concept
22	Dandan Li, Dik Lun Lee	A Lattice-Based Semantic Location Model for Indoor Navigation.	MDM	2008	DBLP DOI BibTeX RDF	Semantic Location Model, Formal Concept Analysis, Concept Lattice
22	Achyanta Sarmah, Shyamanta M. Hazarika, Smriti Kumar Sinha	Security Pattern Lattice: A Formal Model to Organize Security Patterns.	DEXA Workshops	2008	DBLP DOI BibTeX RDF	trust, scaling, formal concept analysis, concept lattice, security pattern
22	Mohamed Ali Ben Hassine, Habib Ounelli	IDFQ: An Interface for Database Flexible Querying.	ADBIS	2008	DBLP DOI BibTeX RDF	Databases, Formal Concept Analysis, Concept Lattice, Flexible queries
22	Minyar Sassi, Amel Grissa Touzi, Habib Ounelli	Clustering Quality Evaluation Based on Fuzzy FCA.	DEXA	2007	DBLP DOI BibTeX RDF	Clustering Quality, Overlapping Rate, Separation Degree, Formal Concept Analyis, Fuzzy Concept Lattice, Validity Index
22	Simona Colucci, Tommaso Di Noia, Eugenio Di Sciascio, Francesco M. Donini, Giacomo Piscitelli, Stefano Coppi	Knowledge based approach to semantic composition of teams in an organization.	SAC	2005	DBLP DOI BibTeX RDF	concept abduction, concept covering, description logics
22	Denys Poshyvanyk, Andrian Marcus	Combining Formal Concept Analysis with Information Retrieval for Concept Location in Source Code.	ICPC	2007	DBLP DOI BibTeX RDF
22	Suk-hyung Hwang, Hong-Gee Kim, Myeng-Ki Kim, Sung-Hee Choi, Hae Sool Yang	A Data-Driven Approach to Constructing an Ontological Concept Hierarchy Based on the Formal Concept Analysis.	ICCSA (4)	2006	DBLP DOI BibTeX RDF
22	Jon Ducrou, Peter W. Eklund, Tim Wilson	An Intelligent User Interface for Browsing and Searching MPEG-7 Images Using Concept Lattices.	CLA	2006	DBLP DOI BibTeX RDF
21	Zhikun Wang, Dong Wang 0022, Jianmin Li 0001, Bo Zhang 0010	Learning structured concept-segments for interactive video retrieval.	CIVR	2008	DBLP DOI BibTeX RDF	interactive video retrieval, mining structured concepts, relevance feedback
21	Chien-I Lee, Cheng-Jung Tsai, Jhe-Hao Wu, Wei-Pang Yang	A Decision Tree-Based Approach to Mining the Rules of Concept Drift.	FSKD (4)	2007	DBLP DOI BibTeX RDF
21	Wenyi Bi, Junping Sun	Equivalence of Transforming Non-Linear DACG to Linear Concept Tree.	ACIS-ICIS	2005	DBLP DOI BibTeX RDF
21	Nizar Messai, Marie-Dominique Devignes, Amedeo Napoli, Malika Smaïl-Tabbone	Querying a Bioinformatic Data Sources Registry with Concept Lattices.	ICCS	2005	DBLP DOI BibTeX RDF
21	Sennay Ghebreab, C. Carl Jaffe, Arnold W. M. Smeulders	Population-based incremental interactive concept learning for image retrieval by stochastic string segmentations.	IEEE Trans. Medical Imaging	2004	DBLP DOI BibTeX RDF
21	Jeremy T. Barksdale, D. Scott McCrickard	Concept mapping in agile usability: a case study.	CHI Extended Abstracts	2010	DBLP DOI BibTeX RDF	agile usability, dcog, team interaction, collaboration, concept mapping, distributed cognition
21	Yoonjung Hong, Tek-Jin Nam	A method to get rich feedbacks from users in an interview for design concept decision.	CHI Extended Abstracts	2010	DBLP DOI BibTeX RDF	design concept embodiment, rich user feedback, user interview, user-centered design, design method
21	Chi Shen, Mike Unuakhalu	A class of multistep sparse matrix strategies for concept decomposition matrix approximation.	SAC	2009	DBLP DOI BibTeX RDF	concept decomposition matrix, multistep, sparse matrix approximation, term-document matrix, least-squares