Search results for "Partitions"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
28	Tetsuya Murai, Akihiro Kitada, Yoshiharu Sato	Generation of fuzzy k-partitions based on tolerance relations and maximal consistency.	KES (2)	1997	DBLP DOI BibTeX RDF
28	Frank Mueller 0001	Supporting Ada 95 Passive Partitions in a Distributed Environment.	Ada-Europe	1997	DBLP DOI BibTeX RDF
28	Mike Paterson, F. Frances Yao	Binary Partitions with Applications to Hidden Surface Removal and Solid Modelling.	SCG	1989	DBLP DOI BibTeX RDF
23	Matthijs J. Warrens	On the Equivalence of Cohen's Kappa and the Hubert-Arabie Adjusted Rand Index.	J. Classif.	2008	DBLP DOI BibTeX RDF	Correction for chance agreement, Matching table, Simple matching coefficient, Similarity indices, Resemblance measures, Partitions, Clustering method
23	Tongjun Li, Jianmin Ma	Fuzzy Approximation Operators Based on Coverings.	RSFDGrC	2007	DBLP DOI BibTeX RDF	Crisp coverings, fuzzy coverings, fuzzy-covering-based fuzzy rough approximation operators, fuzzy sets, fuzzy partitions
23	Mark de Berg, Elena Mumford, Bettina Speckmann	Optimal BSPs and rectilinear cartograms.	GIS	2006	DBLP DOI BibTeX RDF	automated cartography, geometric algorithms, indexing structures, binary space partitions, cartograms
23	L. John Old	Homograph Disambiguation Using Formal Concept Analysis.	ICFCA	2006	DBLP DOI BibTeX RDF	Type-10 chains, Roget’s Thesaurus, plus operator, word fields, neighbourhood lattices, components, partitions
23	Tong-Jun Li	Rough Approximation Operators in Covering Approximation Spaces.	RSCTC	2006	DBLP DOI BibTeX RDF	rough sets, partitions, coverings, Approximation operators
23	Allan Borodin, Rafail Ostrovsky, Yuval Rabani	Subquadratic Approximation Algorithms for Clustering Problems in High Dimensional Spaces.	Mach. Learn.	2004	DBLP DOI BibTeX RDF	graph-theoretic clustering, sparse partitions, high dimensional spaces
23	Daeyoung Kim 0001, Yann-Hang Lee	DC2 scheduling for aperiodic tasks in strongly partitioned real-time systems.	RTCSA	2000	DBLP DOI BibTeX RDF	DC/sup 2/ scheduling, aperiodic task scheduling, strongly partitioned real time systems, SP-RTS, integrated real time applications, two-level hierarchical scheduling mechanism, multiple partitions, multiple periodic tasks, fixed priority algorithm, Distance Constraint guaranteed Dynamic Cyclic scheduler, distance-constrained cyclic schedule, distance constraint characteristics, partition cyclic schedule, slack time calculation, dynamic operations, hard aperiodic tasks, DC/sup 2/, soft aperiodic tasks, acceptance rate, scheduling, real-time systems, computational complexity, online scheduling, cyclic scheduling, spatial partitioning, partition scheduling, dynamic applications
23	Andrew MacFarlane 0001, Julie A. McCann, Stephen E. Robertson	Parallel Search Using Partitioned Inverted Files.	SPIRE	2000	DBLP DOI BibTeX RDF	parallel search methods, partitioned inverted files, index partitions, term identifier partitioning, document identifier partitioning, search operations, probabilistic searching, high-level features, search topologies, parallel algorithms
23	Paul D. Ezhilchelvan, Santosh K. Shrivastava	Enhancing Replica Management Services to Tolerate Group Failures.	ISORC	1999	DBLP DOI BibTeX RDF	group failures, node crashes, membership views, network partitions, system availability, membership services, object groups
23	H. A. Xie, Kevin E. Forward, K. M. Adams, Suthikshn Kumar	An SBus Multi-Tracer and its applications.	Asian Test Symposium	1995	DBLP DOI BibTeX RDF	SBus Multi Tracer, SBus monitoring board, logic analyzer, bus analyzer, trace length, board memory, multi occurrences, trigger patterns, multiple partitions, tracing memory, systematic timing information, pattern occurrences, triggering patterns, SUN SPARC station, field programmable gate arrays, Field Programmable Gate Array, FPGA, logic testing, automatic test equipment, system buses, timing diagrams, computerised monitoring
23	Hong Q. Ding, Robert D. Ferraro	A general purpose sparse matrix parallel solvers package.	IPPS	1995	DBLP DOI BibTeX RDF	general purpose sparse matrix parallel solvers package, sparse symmetric complex linear systems, discretised partial differential equations, data interface, bi-conjugate gradient solver, two-stage Cholesky LDL/sup T/ factorization, hybrid solver, local matrices, local mesh partitions, scaling problem, Intel Delt, user interfaces, parallel processing, partial differential equations, processor, linear systems, sparse matrices, conjugate gradient methods, software packages, unstructured meshes, unified user interface
23	Yongguang Zhang, Son K. Dao	A "persistent connection" model for mobile and distributed systems.	ICCCN	1995	DBLP DOI BibTeX RDF	persistent connection model, stream connections, temporary disconnection, limited resource environment, logical endpoints, transient connection, TCP-socket level, DCE RPC level, reconfigurable applications, reliable applications, distributed systems, fault tolerance computing, prototypes, programs, software, Unix, mobile communication, mobile systems, network partitions, adaptable applications, disconnection, mobile computing environment, communication abstraction
23	Maurice Herlihy, Jeannette M. Wing	Specifying Graceful Degradation.	IEEE Trans. Parallel Distributed Syst.	1991	DBLP DOI BibTeX RDF	graceful degradation specification, relaxation lattice method, large class of programs, site crashes, timing anomalies, synchronization conflicts, formal specification, fault tolerant computing, network partitions, security breaches
23	Santosh G. Abraham, David E. Hudak	Compile-Time Partitioning of Iterative Parallel Loops to Reduce Cache Coherency Traffic.	IEEE Trans. Parallel Distributed Syst.	1991	DBLP DOI BibTeX RDF	adaptive data partitioning, iterative parallel loops, cache coherency traffic, ADP, communication-reducing back end, machine-specific partitioner, multiprocessor model, programexecution factors, vector notation, global data set, arrayaccesses, underlying system architecture, cache line sizes, hexagonal partitions, parallel programming, parallel machines, program compilers, parallelizing compilers, buffer storage, interprocessor communication, interprocessor communication, communication patterns, parallelprograms
23	Xuanli Lisa Xie, Gerardo Beni	A Validity Measure for Fuzzy Clustering.	IEEE Trans. Pattern Anal. Mach. Intell.	1991	DBLP DOI BibTeX RDF	fuzzy validity criterion, validity function, fuzzy c-partitions, geometric distance measure, cluster centroids, separation index, computer color vision system, IC wafer defects, pattern recognition, fuzzy clustering, fuzzy set theory, minimisation, uniqueness, color image segmentation
23	Madhu Ahluwalia, Ruchika Gupta, Aryya Gangopadhyay, Yelena Yesha, Michael McAllister	Target-based database synchronization.	SAC	2010	DBLP DOI BibTeX RDF	change detection capture, database synchronization, databases, synchronization, data warehouse
23	Marzena Kryszkiewicz, Piotr Lasek	FUN: Fast Discovery of Minimal Sets of Attributes Functionally Determining a Decision Attribute.	Trans. Rough Sets	2008	DBLP DOI BibTeX RDF	Rough Sets, information system, reduct, functional dependency, decision table
23	Nadia Nedjah, Luiza de Macedo Mourelle	Efficient Hardware for Modular Exponentiation using the Sliding-Window Method with Variable-Length Partitioning.	ICYCS	2008	DBLP DOI BibTeX RDF
23	Xiuzhen Zhang 0001, Pauline Lienhua Chou, Guozhu Dong	Efficient Computation of Iceberg Cubes by Bounding Aggregate Functions.	IEEE Trans. Knowl. Data Eng.	2007	DBLP DOI BibTeX RDF	Data mining, data warehouses, data cube, pruning
23	Yassine Djouadi, Samir Redaoui, Karima Amroun	Mining Association Rules under Imprecision and Vagueness: towards a Possibilistic Approach.	FUZZ-IEEE	2007	DBLP DOI BibTeX RDF
23	Yantao Zheng, Shi-Yong Neo, Tat-Seng Chua, Qi Tian 0002	The use of temporal, semantic and visual partitioning model for efficient near-duplicate keyframe detection in large scale news corpus.	CIVR	2007	DBLP DOI BibTeX RDF	corpus partitioning, near-duplicate keyframe detection
23	Jay R. Bhatnagar, Ajay Kumar 0001, Nipun Saggar	A Novel Approach to Improve Biometric Recognition Using Rank Level Fusion.	CVPR	2007	DBLP DOI BibTeX RDF
23	Gaurav Trivedi, H. Narayanan	Application of Fast DC Analysis to Partitioning Hypergraphs.	ISCAS	2007	DBLP DOI BibTeX RDF
23	Tony T. Lee, Terry Y. Lo, Jianfang Wang	An information-lossless decomposition theory of relational information systems.	IEEE Trans. Inf. Theory	2006	DBLP DOI BibTeX RDF
23	Paul G. Brown, Peter J. Haas	Techniques for Warehousing of Sample Data.	ICDE	2006	DBLP DOI BibTeX RDF
23	Alexander P. Topchy, Martin H. C. Law, Anil K. Jain 0001, Ana L. N. Fred	Analysis of Consensus Partition in Cluster Ensemble.	ICDM	2004	DBLP DOI BibTeX RDF
23	Theresa Foley, Mike Houston, Pat Hanrahan	Efficient partitioning of fragment shaders for multiple-output hardware.	Graphics Hardware	2004	DBLP DOI BibTeX RDF
23	Thomas Bittner, John G. Stell	Stratified Rough Sets and Vagueness.	COSIT	2003	DBLP DOI BibTeX RDF
23	Muthukumar Venkatesan, Robert J. Bignall, Henry Selvaraj	A variable partition approach for disjoint decomposition.	ISCAS (5)	2001	DBLP DOI BibTeX RDF
23	Thomas Wolf 0013, Alfred Strohmeier	Fault Tolerance by Transparent Replication for Distributed Ada 95.	Ada-Europe	1999	DBLP DOI BibTeX RDF	Piecewise Determinism, Replica Consistency, Semi-Active Replication, Fault Tolerance, Distributed Systems, Non-Determinism
23	Chung-Yen Chang, Prasant Mohapatra	An Efficient Method for Approximating Submesh Reliability of Two-Dimensional Meshes.	IEEE Trans. Parallel Distributed Syst.	1998	DBLP DOI BibTeX RDF	Column partition, partitioned mesh model, row partition, submesh reliability, two-dimensional mesh
23	Yong Yan 0003, Xiaodong Zhang 0001, Zhao Zhang 0010	A memory-layout oriented run-time technique for locality optimization.	ICPP	1998	DBLP DOI BibTeX RDF
23	Jason Y. Zien, Pak K. Chan, Martine D. F. Schlag	Hybrid spectral/iterative partitioning.	ICCAD	1997	DBLP DOI BibTeX RDF	Partitioning, eigenvectors, iterative improvement, spectral partitioning
23	Roman Kuznar, Franc Brglez	PROP: a recursive paradigm for area-efficient and performance oriented partitioning of large FPGA netlists.	ICCAD	1995	DBLP DOI BibTeX RDF	optimization, FPGA, partitioning, resynthesis, critical path delay
23	Rajiv Gupta 0001, Mary Lou Soffa, Denise Ombres	Efficient Register Allocation via Coloring Using Clique Separators.	ACM Trans. Program. Lang. Syst.	1994	DBLP DOI BibTeX RDF	clique separators, node priorities, graph coloring, spans, spill code, interference graph
23	Dugki Min, Matt W. Mutka	Effects of Job Size Irregularity on the Dynamic Resource Scheduling of a 2-D Mesh Multicomputer.	PARLE	1993	DBLP DOI BibTeX RDF
23	George Hutchinson	Partioning algorithms for finite sets.	Commun. ACM	1963	DBLP DOI BibTeX RDF
23	Michel Sarkis, Klaus Diepold	Content Adaptive Mesh Representation of Images Using Binary Space Partitions.	IEEE Trans. Image Process.	2009	DBLP DOI BibTeX RDF
23	Pietro Codara, Ottavio M. D'Antona, Vincenzo Marra	Open Partitions and Probability Assignments in Gödel Logic.	ECSQARU	2009	DBLP DOI BibTeX RDF
23	Lucile Denoeud	Transfer distance between partitions.	Adv. Data Anal. Classif.	2008	DBLP DOI BibTeX RDF	Mathematics Subject Classification (2000) 03E02, 05A18, 05C12, 62G15, 62G30, 05C35, 05D99
23	Hanan Ayad, Mohamed S. Kamel	Cumulative Voting Consensus Method for Partitions with Variable Number of Clusters.	IEEE Trans. Pattern Anal. Mach. Intell.	2008	DBLP DOI BibTeX RDF	Cluster Analysis, Voting, Ensemble Methods, Consensus Clustering
23	Kandasamy Selvaradjou, Buchi Goutham, C. Siva Ram Murthy	Exploiting Resource-Rich Actors for Bridging Network Partitions in Wireless Sensor and Actor Networks.	ICDCN	2008	DBLP DOI BibTeX RDF
23	Henning Meyerhenke, Burkhard Monien, Thomas Sauerwald	A new diffusion-based multilevel algorithm for computing graph partitions of very high quality.	IPDPS	2008	DBLP DOI BibTeX RDF
23	Muhammad Atif Mehmood, Lars Kulik, Egemen Tanin	Autonomous navigation of mobile agents using RFID-enabled space partitions.	GIS	2008	DBLP DOI BibTeX RDF
23	Nicholas D. Matsakis, Thomas R. Gross	Thread Safety through Partitions and Effect Agreements.	LCPC	2008	DBLP DOI BibTeX RDF
23	Seonpil Kim, Heejun Shim, Chong-Min Kyung	Data Reuse method between Heterogeneous Partitions (DRHP) in H.264/AVC motion compensator.	ISCAS	2008	DBLP DOI BibTeX RDF
23	Isabella Mastroeni	Deriving Bisimulations by Simplifying Partitions.	VMCAI	2008	DBLP DOI BibTeX RDF
23	Ioannis I. Gerontidis, Stavros P. Kontakos	Markov Chain Lumpability on Fuzzy Partitions.	FUZZ-IEEE	2007	DBLP DOI BibTeX RDF
23	Sangeetha Seshadri, Vibhore Kumar, Brian F. Cooper, Ling Liu 0001	Optimizing Multiple Distributed Stream Queries Using Hierarchical Network Partitions.	IPDPS	2007	DBLP DOI BibTeX RDF
23	Andrea Bonarini, Alessandro Lazaric, Marcello Restelli	Reinforcement Learning in Complex Environments Through Multiple Adaptive Partitions.	AI*IA	2007	DBLP DOI BibTeX RDF
23	F. Liese, Domingo Morales, Igor Vajda	Asymptotically Sufficient Partitions and Quantizations.	IEEE Trans. Inf. Theory	2006	DBLP DOI BibTeX RDF
23	Rudolf Ahlswede, Alexander A. Yudin	On Partitions of a Rectangle into Rectangles with Restricted Number of Cross Sections.	GTIT-C	2006	DBLP DOI BibTeX RDF
23	Micha Sharir, Emo Welzl	On the number of crossing-free matchings, (cycles, and partitions).	SODA	2006	DBLP DOI BibTeX RDF
23	Manor Mendel, Assaf Naor	Ramsey partitions and proximity data structures.	FOCS	2006	DBLP DOI BibTeX RDF
23	Taneli Mielikäinen, Evimaria Terzi, Panayiotis Tsaparas	Aggregating time partitions.	KDD	2006	DBLP DOI BibTeX RDF
23	Vladimir Mashtalir, Elena Mikhnova, Vladislav Shlyakhov, Elena Yegorova	A Novel Metric on Partitions for Image Segmentation.	AVSS	2006	DBLP DOI BibTeX RDF
23	Jaroslav Nesetril, Patrice Ossona de Mendez	Linear time low tree-width partitions and algorithmic consequences.	STOC	2006	DBLP DOI BibTeX RDF	bounded expansion, fraternal augmentation, coloration, first order logic, subgraph isomorphism, tree-width, graph minor
23	Roman N. Karasev	Partitions of a Polytope and Mappings of a Point Set to Facets.	Discret. Comput. Geom.	2005	DBLP DOI BibTeX RDF
23	Tomás Feder, Pavol Hell, Daniel Král, Jirí Sgall	Two algorithms for general list matrix partitions.	SODA	2005	DBLP BibTeX RDF
23	Tilman Lange, Joachim M. Buhmann	Combining partitions by probabilistic label aggregation.	KDD	2005	DBLP DOI BibTeX RDF	consensus partition, re-sampling, clustering
23	Zbigniew Kokosinski	A New Algorithm for Generation of Exactly M-Block Set Partitions in Associative Model.	PPAM	2005	DBLP DOI BibTeX RDF
23	Luís Almeida 0001, Paulo Pedreiras	Scheduling within temporal partitions: response-time analysis and server design.	EMSOFT	2004	DBLP DOI BibTeX RDF	real-time systems, real-time scheduling, hierarchical scheduling, response-time analysis
23	Behrouz Minaei-Bidgoli, Alexander P. Topchy, William F. Punch	Ensembles of Partitions via Data Resampling.	ITCC (2)	2004	DBLP DOI BibTeX RDF
23	Chia-Ho Ou, Kuo-Feng Ssu, Hewijin Christine Jiau	Connecting Network Partitions with Location-Assisted Forwarding Nodes in Mobile Ad Hoc Environments.	PRDC	2004	DBLP DOI BibTeX RDF
23	Sigurdur Ólafsson, Leyuan Shi	Ordinal Comparison via the Nested Partitions Method.	Discret. Event Dyn. Syst.	2002	DBLP DOI BibTeX RDF	ordinal comparison, stochastic optimization, adaptive sampling
23	Valliappa Lakshmanan, Victor E. DeBrunner, Robert Rabin	Nested Partitions Using Texture Segmentation.	SSIAI	2002	DBLP DOI BibTeX RDF
23	Marc Laporte, Noël Novelli, Rosine Cicchetti, Lotfi Lakhal	Computing Full and Iceberg Datacubes Using Partitions.	ISMIS	2002	DBLP DOI BibTeX RDF
23	Rolf Drechsler, Wolfgang Günther 0001, Thomas Eschbach, Lothar Linhard, Gerhard Angst	Recursive Bi-Partitioning of Netlists for Large Number of Partitions.	DSD	2002	DBLP DOI BibTeX RDF
23	Tok Wang Ling, Wai Chong Low, Zhong Wei Luo, Sin Yeung Lee, Hua-Gang Li	Variable Sized Partitions for Range Query Algorithms.	DEXA	2002	DBLP DOI BibTeX RDF
23	Cristina Gómez 0001, Antoni Olivé	Evolving Partitions in Conceptual Schemas in the UML.	CAiSE	2002	DBLP DOI BibTeX RDF
23	E. Rodney Canfield, Sylvie Corteel, Pawel Hitczenko	Random Partitions with Non Negative rth Differences.	LATIN	2002	DBLP DOI BibTeX RDF
23	Michael A. Bender, Saurabh Sethia, Steven Skiena	Data Structures for Maintaining Set Partitions.	SWAT	2000	DBLP DOI BibTeX RDF
23	Ferran Marqués, Bernat Llorens, Antoni Gasull	Prediction of image partitions using Fourier descriptors: application to segmentation-based coding schemes.	IEEE Trans. Image Process.	1998	DBLP DOI BibTeX RDF
23	Richard Statman	Morphisms and Partitions of V-sets.	CSL	1998	DBLP DOI BibTeX RDF
23	Rajeev R. Raje, Daniel Pease, Edward T. Guy	Class Partitions - A New Approach to Sequential Object-Oriented Programs.	HICSS (1)	1996	DBLP DOI BibTeX RDF
23	Paolo Cremonesi, Domenico G. Sorrenti	A control architecture for managing instructions among partitions of a data parallel structure.	PDP	1995	DBLP DOI BibTeX RDF	instruction management, data parallel structure, image feature handling, distributed-memory MIMD parallel machine, MANAGER processes, WORKER processes, parallel image processing algorithm, distributed memory MIMD parallel machine, parallel algorithms, parallel programming, edge detection, edge detection, parallel machines, tree structure, tree data structures, control architecture, control strategies, parallel data structure
23	Daniel Geist, Ilan Beer	Efficient Model Checking by Automated Ordering of Transition Relation Partitions.	CAV	1994	DBLP DOI BibTeX RDF
23	Mark de Berg, Marko de Groot, Mark H. Overmars	New Results on Binary Space Partitions in the Plane (Extended Abstract).	SWAT	1994	DBLP DOI BibTeX RDF
23	Shan-Hwei Nienhuys-Cheng, Peter A. Flach	Consistent Term Mappings, Term Partitions and Inverse Resolution.	EWSL	1991	DBLP DOI BibTeX RDF	Inverse resolution, absorption, substitution
22	Mircea Merca, Iulia-Ionelia Radu	Plane Partitions as Sums over Partitions.	Symmetry	2023	DBLP DOI BibTeX RDF
22	Mircea Merca, Emil Simion	n-Color Partitions into Distinct Parts as Sums over Partitions.	Symmetry	2023	DBLP DOI BibTeX RDF
22	Isaac Konan	Weighted Words at Degree Two, II: Flat Partitions, Regular Partitions, and Application to Level One Perfect Crystals.	Electron. J. Comb.	2022	DBLP DOI BibTeX RDF
22	Koustav Banerjee, Sreerupa Bhattacharjee, Manosij Ghosh Dastidar, Pankaj Jyoti Mahanta, Manjil P. Saikia	Parity biases in partitions and restricted partitions.	Eur. J. Comb.	2022	DBLP DOI BibTeX RDF
22	István Mezö, José Luis Ramírez	Set partitions and partitions without singleton blocks of type B.	Period. Math. Hung.	2022	DBLP DOI BibTeX RDF
22	Guillaume Tochon, Mauro Dalla Mura, Jocelyn Chanussot	Constructing a Braid of Partitions from Hierarchies of Partitions.	ISMM	2019	DBLP DOI BibTeX RDF
22	Guo-Niu Han, Huan Xiong	Some useful theorems for asymptotic formulas and their applications to skew plane partitions and cylindric partitions.	Adv. Appl. Math.	2018	DBLP DOI BibTeX RDF
22	Christine Bessenrodt	Coincidences between Characters to Hook Partitions and 2-Part Partitions on Families arising from 2-Regular Classes.	Electron. J. Comb.	2017	DBLP DOI BibTeX RDF
22	Te-Sheng Tan, Dai-Yang Wu, Wing-Kai Hon	Partitions of n that avoid partitions of f, and an application to the tiny-pan coin weighing problem.	Discret. Math.	2017	DBLP DOI BibTeX RDF
22	Meenakshi Rana, J. K. Sareen	Split (n + t)-color partitions and 2-color F-partitions.	Contributions Discret. Math.	2017	DBLP BibTeX RDF
22	Chunlin Liu, Baodi Li	Bicoloured ordered trees, non-nesting partitions and non-crossing partitions.	Ars Comb.	2016	DBLP BibTeX RDF
22	Frédéric Dumonceaux	Approches algébriques pour la gestion et l'exploitation de partitions sur des jeux de données. (Algebraic approaches for management and handling of set partitions over datasets).		2015	RDF
22	Ivica Martinjak, Dragutin Svrtan	New Identities for the Polarized Partitions and Partitions with d-Distant Parts.	J. Integer Seq.	2014	DBLP BibTeX RDF
22	Fei-Huang Chang, Hong-Bin Chen, Frank K. Hwang	Are there more almost separable partitions than separable partitions?	J. Comb. Optim.	2014	DBLP DOI BibTeX RDF
22	Katti Faceli, Tiemi C. Sakata, André Carlos Ponce de Leon Ferreira de Carvalho, Marcílio Carlos Pereira de Souto	PVis - Partitions' visualizer: Extracting knowledge by visualizing a collection of partitions.	IJCNN	2014	DBLP DOI BibTeX RDF
22	Robin Langer	Cylindric plane partitions, lambda determinant, commutators in semicircular systems. (Partitions planes cylindriques, lambda déterminants, les commutateurs dans l'algèbre engendrée par un système semi-circulaire).		2013	RDF
22	Christophe Lino	Contrôle de caméra virtuelle à base de partitions spatiales dynamiquesVirtual Camera Control Using Dynamic Spatial Partitions.		2013	RDF
22	William J. Keith	The 2-adic Valuation of Plane Partitions and Totally Symmetric Plane Partitions.	Electron. J. Comb.	2012	DBLP DOI BibTeX RDF