Search results for "RTI"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
156	Claude Van Ham, Trevor Pearce	The SIP-RTI: An HLA RTI Implementation Supporting Interoperability.	DS-RT	2006	DBLP DOI BibTeX RDF
128	Neeta Verma, Durga Prasad Misra, Pankaj K. P. Shreyaskar, M. Kamala Kannan	Enabling citizens to leverage the provisions of the RTI act of India: an ICT driven case study.	ICEGOV	2009	DBLP DOI BibTeX RDF	National Portal of India, RTI Act, complaints & appeals, government of India, right to information act
115	Jeong-Hee Hong, Jae-Hyun Kim, Tag Gon Kim	Design and implementation of time management service for IEEE 1516 HLA/RTI.	SCSC	2007	DBLP BibTeX RDF	GALT calculation algorithm, IEEE 1516, HLA, modular design, time management, RTI
115	Azzedine Boukerche, Kaiyuan Lu	A Novel Approach to Real-Time RTI Based Distributed Simulation System.	Annual Simulation Symposium	2005	DBLP DOI BibTeX RDF	Scheduling, Real-time, HLA, Multi-threads, Distributed Interactive Simulation, RTI
96	Buquan Liu, Huaimin Wang, Yiping Yao	Data consistency in a large-scale runtime infrastructure.	WSC	2005	DBLP DOI BibTeX RDF
92	Ki-Young Choi, Tae-Dong Lee, Chang-Sung Jeong	RTI Execution Environment Using Open Grid Service Architecture.	International Conference on Computational Science (3)	2005	DBLP DOI BibTeX RDF
87	Hui Zhao, Nicolas D. Georganas	An Approach for Stream Transmission Over HLA-RTI in Distributed Virtual Environments.	DIS-RT	1999	DBLP DOI BibTeX RDF	Interval Timer, Reconstruction Buffer, Video, Stream, Latency, Audio, HLA, RTI, DVE, Delay Jitter
86	Jung Hyun Ahn, Jae-Hyun Kim, Tag Gon Kim	Design and implementation of data distribution management in IEEE 1516 HLA/RTI.	SCSC	2007	DBLP BibTeX RDF	IEEE1516 RTI, minimized unicast, HLA, data distribution management
82	Zhong Zhou, Qinping Zhao	Reducing Time Cost of Distributed Run-Time Infrastructure.	ICAT	2006	DBLP DOI BibTeX RDF
78	Bin Liu, Hongjun Zhang, Xiaojia Yang	GY-RTI: An Integrated Distributed Simulation Environment.	ICNSC	2008	DBLP DOI BibTeX RDF
78	Yongbo Xu, Mingqing Yu, Xingren Wang	Research and Development on AST-RTI.	AsiaSim	2004	DBLP DOI BibTeX RDF
78	Thom McLean, Richard M. Fujimoto, J. Brad Fitzgibbons	Next Generation Real-Time RTI Software.	DS-RT	2001	DBLP DOI BibTeX RDF
78	Hui Zhao, Nicolas D. Georganas	An Approach for Stream Retrieval over HLA-RTI in Distributed Virtual Environments.	DS-RT	2000	DBLP DOI BibTeX RDF
69	Tae-Dong Lee, Seung-Hun Yoo, Chang-Sung Jeong	Service-Oriented RunTime Infrastructure on Grid.	GCC Workshops	2004	DBLP DOI BibTeX RDF
64	Ke Pan, Stephen John Turner, Wentong Cai 0001, Zengxiang Li	A Service Oriented HLA RTI on the Grid.	ICWS	2007	DBLP DOI BibTeX RDF
64	Azzedine Boukerche, Kaiyuan Lu	Design and Performance Evaluation of a Real-lime RTI Infrastructure for Large-Scale Distributed Simulations.	DS-RT	2005	DBLP DOI BibTeX RDF
64	Kalyan S. Perumalla, Alfred Park, Richard M. Fujimoto, George F. Riley	Scalable RTI-Based Parallel Simulation of Networks.	PADS	2003	DBLP DOI BibTeX RDF
64	Zijing Yuan, Wentong Cai 0001, Malcolm Y. H. Low	A Framework for Executing Parallel Simulation Using RTI.	DS-RT	2003	DBLP DOI BibTeX RDF	DDM, federate model, Java, code generation, HLA, parallel simulation
64	Simon J. E. Taylor, Rajeev Sudra	Modular HLA RTI Services: The GRIDS Approach.	DS-RT	2002	DBLP DOI BibTeX RDF
64	Richard M. Fujimoto, Thom McLean, Kalyan S. Perumalla, Ivan Tacic	Design of High Performance RTI Software.	DS-RT	2000	DBLP DOI BibTeX RDF	runtime infrastructure, High Level Architecture, time management, data distribution management
63	Tainchi Lu, Chungnan Lee, Wenyang Hsia, Ming-Tang Lin	Supporting large-scale distributed simulation using HLA.	ACM Trans. Model. Comput. Simul.	2000	DBLP DOI BibTeX RDF	data distribution management (DDM), distributed interactive simulation (DIS), high level architecture (HLA), modeling and simulation, networked virtual environment, run-time infrastructure (RTI)
55	Buquan Liu, Yiping Yao, Jing Tao, Huaimin Wang	Implementation of time management in a runtime infrastructure.	WSC	2006	DBLP DOI BibTeX RDF
55	Andrea Santoro, Francesco Quaglia	Transparent Optimistic Synchronization in HLA via a Time-Management Converter.	PADS	2006	DBLP DOI BibTeX RDF
55	Jae-Hyun Kim, Tag Gon Kim	Proposal of High Level Architecture Extension.	AIS	2004	DBLP DOI BibTeX RDF
51	Luqman Ahmad, Azzedine Boukerche, Abdulaziz Al Hamidi, Ahmad Shadid, Richard Werner Nelem Pazzi	Web-based e-learning in 3D large scale distributed interactive simulations using HLA/RTI.	IPDPS	2008	DBLP DOI BibTeX RDF
51	Chen Fang, Hao Liu 0013	Performance Optimization Based on NODE-RTI Model for Wireless Sensor Nodes.	ICNSC	2008	DBLP DOI BibTeX RDF
51	Tae-Dong Lee, Jung-Hun Jin, Chang-Sung Jeong	Object-Oriented Design of RTI Using Design Patterns.	OOIS	2003	DBLP DOI BibTeX RDF
51	Xiaojun Shen, Ramsey Hage, Nicolas D. Georganas	Agent-Aided Collaborative Virtual Environments Over HLA/RTI.	DIS-RT	1999	DBLP DOI BibTeX RDF
51	Dan Chen 0001, Bu-Sung Lee, Wentong Cai 0001, Stephen John Turner	Design and Development of a Cluster Gateway for Cluster-based HLA Distributed Virtual Simulation Environments.	Annual Simulation Symposium	2003	DBLP DOI BibTeX RDF	cluster, scalability, latency, HLA, gateway, RTI
51	Farshad Moradi, Rassul Ayani, Gary S. H. Tan	Object and Ownership Management in Air Traffic Control Simulations.	DIS-RT	1999	DBLP DOI BibTeX RDF	Ownership Management, HLA, Air Traffic Control, RTI, Object Management
50	Zhong Zhou, Wei Wu 0008	LoI: Efficient relevance evaluation and filtering for distributed simulation.	Sci. China Ser. F Inf. Sci.	2009	DBLP DOI BibTeX RDF	relevance evaluation, layer of interest (LoI), distributed simulation, high level architecture (HLA), run-time infrastructure (RTI)
46	Yena Lee, Jin-Hyeok Son, Mi-Seon Choi, Young-Kuk Kim	Interoperation system between HLA/RTI federation and DBMS through HLA/RTI simulating virtual test.	BigComp	2016	DBLP DOI BibTeX RDF
46	Min-Wook Yoo, Chang Beom Choi, Tag Gon Kim	Time management in hierarchical federation using RTI-RTI interoperation.	WSC	2013	DBLP DOI BibTeX RDF
46	Xiaofeng Guo, Jianjing Shen, Zuwei Yin, Shanming Wu	SO-RTI: A new RTI based on web services.	ICAL	2012	DBLP DOI BibTeX RDF
45	Chang Ho Sung, Jeong-Hee Hong, Tag Gon Kim	Interoperation of DEVS models and differential equation models using HLA/RTI: hybrid simulation of engineering and engagement level models.	SpringSim	2009	DBLP DOI BibTeX RDF	combat system effectiveness, DEVS, hybrid simulation, MATLAB/Simulink, HLA/RTI
41	Sruthi Bandhakavi, William H. Winsborough, Marianne Winslett	A Trust Management Approach for Flexible Policy Management in Security-Typed Languages.	CSF	2008	DBLP DOI BibTeX RDF	Lanugage Based Security, Information Flow, Trust Management
41	Buquan Liu, Yiping Yao, Huaimin Wang	An efficient algorithm in the HLA time management.	WSC	2007	DBLP DOI BibTeX RDF
41	Maher Al-Sanabani, Subramaniam Shamala, Mohamed Othman, Zuriati Zukarnain	An Enhanced Bandwidth Reservation Scheme Based on Road Topology Information for QoS Sensitive Multimedia Wireless Cellular Networks.	ICCSA (2)	2007	DBLP DOI BibTeX RDF	multimedia wireless cellular networks, handoff and quality of service, mobility prediction
41	Yong Xie, Yong Meng Teo, Wentong Cai 0001, Stephen John Turner	Servicing Provisioning for HLA-Based Distributed Simulation on the Grid.	PADS	2005	DBLP DOI BibTeX RDF
41	Katarzyna Zajac 0001, Alfredo Tirado-Ramos, Zhiming Zhao, Peter M. A. Sloot, Marian Bubak	Grid Services for HLA-Based Distributed Simulation Frameworks.	European Across Grids Conference	2003	DBLP DOI BibTeX RDF	the grid, CrossGrid, interactive, HLA, problem solving environment
41	Gary S. H. Tan, Liang Xu, Farshad Moradi, Simon J. E. Taylor	An agent-based DDM for high level architecture.	Workshop on Parallel and Distributed Simulation	2001	DBLP DOI BibTeX RDF
41	Azzedine Boukerche, Caron Dzermajko	Performance Comparison of Data Distribution Management Strategies.	DS-RT	2001	DBLP DOI BibTeX RDF
41	Hui Zhao, Nicolas D. Georganas	HLA Real-Time Extension.	DS-RT	2001	DBLP DOI BibTeX RDF
37	Shih-Hsiang Lo, Cheng-An Chiu, Fang-Ping Pai, Ding-Yong Hong, Yeh-Ching Chung	MGRID: a modifiable-grid region matching approach for DDM in the HLA RTI.	SpringSim	2009	DBLP DOI BibTeX RDF	high level architecture, interest management, data distribution management
37	Liu Hong, Hu Wan 0002, Yu Wang 0005, Xueguang Chen, Deqing Zou	Extending HLA/RTI to WAN Based on Grid Service.	APSCC	2008	DBLP DOI BibTeX RDF
37	Thitima Theppaya, Pichaya Tandayya, Chatchai Jantaraprim	Integrating the HLA RTI Services with Scilab.	CCGRID	2006	DBLP DOI BibTeX RDF
37	Son T. Vuong, Xiaojuan Cai, Juan Li, Sukanta Pramanik, Duncan Suttles, Reggie Chen	FedGrid: An HLA Approach to Federating Grids.	International Conference on Computational Science	2004	DBLP DOI BibTeX RDF	Grid Access, Community Grid, Grid Computing, Grid, HLA, Virtual Organization, Grid Services, Federation, Collaborative Computing, RTI
37	Dan Chen 0001, Boon-Ping Gan, Nirupam Julka, Stephen John Turner, Wentong Cai 0001, Junhu Wei	Evaluating Alternative Solutions for Cloning in Distributed Simulation.	Annual Simulation Symposium	2003	DBLP DOI BibTeX RDF	Simulation Cloning, Single-federation, Multiple-federation, DDM, HLA, RTI
37	Pierre Bieber, Pierre Siron	Design and Implementation of a Distributed Interactive Simulation Security Architecture.	DIS-RT	1999	DBLP DOI BibTeX RDF	security, HLA, distributed architecture, RTI
36	Jiankun Wu, Linpeng Huang, Jian Cao 0001, Minglu Li 0001, Dejun Wang, Mingwen Wang	Research on Modeling of Complicate Traffic Simulation System.	HCI (12)	2007	DBLP DOI BibTeX RDF	Agent, Cellular automata, Complexity system, Traffic simulation, HLA/RTI
36	Yunxiang Ling, Xiangning Shi, Wenyuan Wang	SimGrid-HLA - Simulation Grid prototype Oriented to Evaluation of Warfare Performance.	SKG	2005	DBLP DOI BibTeX RDF	SimGrid, evaluation of warfare performance, prototype, federate, HLA/RTI
36	Wentong Cai 0001, Percival Xavier, Stephen John Turner, Bu-Sung Lee	A scalable architecture for supporting interactive games on the internet.	PADS	2002	DBLP DOI BibTeX RDF	distributed client-server architecture, large-scale interactive games, ownership and data distribution management, scalability, high level architecture (HLA), run-time infrastructure (RTI)
36	Stephen John Turner, Wentong Cai 0001, Boon-Ping Gan	Adapting a Supply-Chain Simulation for HLA.	DS-RT	2000	DBLP DOI BibTeX RDF	Supply-chain Simulation, Sematech Modeling Data Standard (MDS), High Level Architecture (HLA), Run-Time Infrastructure (RTI), Semiconductor Manufacturing
27	Omer Eroglu, Haci Ali Mantar, Fatih Erdogan Sevilgen	Quadtree-based approach to data distribution management for distributed simulations.	SpringSim	2008	DBLP DOI BibTeX RDF	distributed simulation, HLA, quadtree, interest management, data distribution management
27	Stephen John Turner	Distributed Simulation on the Grid: Opportunities and Challenges.	DS-RT	2008	DBLP DOI BibTeX RDF
27	M. Rita Thissen, Jean M. Page, Madhavi C. Bharathi, Toyia L. Austin	Communication tools for distributed software development teams.	CPR	2007	DBLP DOI BibTeX RDF	global workforce, communication, virtual team, distributed development
27	Francesco Quaglia, Andrea Santoro	Transparent Risk-free Synchronization in the High-Level-Architecture Interoperability Standard.	ISCC	2007	DBLP DOI BibTeX RDF
27	Buquan Liu, Yiping Yao, Jing Tao, Huaimin Wang	Development of a runtime infrastructure for large-scale distributed simulations.	WSC	2006	DBLP DOI BibTeX RDF
27	Chongcheng Chen, Liyu Tang, Xiaogang Feng, Kaihui Lin	A Distributed Forest Fire Fighting Simulation System Based on HLA.	Edutainment	2006	DBLP DOI BibTeX RDF
27	Wentong Cai 0001, Stephen John Turner, Bu-Sung Lee, Junlan Zhou	An alternative time management mechanism for distributed simulations.	ACM Trans. Model. Comput. Simul.	2005	DBLP DOI BibTeX RDF	Distributed simulation, high level architecture, time management, causal order
27	Gary S. H. Tan, Anders Persson, Rassul Ayani	HLA Federate Migration.	Annual Simulation Symposium	2005	DBLP DOI BibTeX RDF	federate migration, load balancing, distributed simulation, High Level Architecture
27	Andrea Santoro, Francesco Quaglia	Transparent State Management for Optimistic Synchronization in the High Level Architecture.	PADS	2005	DBLP DOI BibTeX RDF
27	Boon-Ping Gan, Malcolm Yoke Hean Low, Xiaoguang Wang 0002, Stephen John Turner	Using Manufacturing Process Flow for Time Synchronization in HLA-Based Simulation.	DS-RT	2005	DBLP DOI BibTeX RDF
27	Bradley C. Schricker, Sonia von der Lippe	Using the High Level Architecture to Implement Selective-Fidelity.	Annual Simulation Symposium	2004	DBLP DOI BibTeX RDF
27	Mye M. Sohn	Advanced M&S Framework Based on Autonomous Web Service in Korea: Intelligent-XMSF Approach.	AsiaSim	2004	DBLP DOI BibTeX RDF
27	Gary S. H. Tan, K. C. Lim	Load Distribution Services in HLA.	DS-RT	2004	DBLP DOI BibTeX RDF
27	Azzedine Boukerche, Caron Dzermajko	Dynamic Grid-Based vs. Region-Based Data Distribution Management Strategies for Large-Scale Distributed Systems.	IPDPS	2003	DBLP DOI BibTeX RDF
27	Chuanfu Zhang, Yunsheng Liu, Tong Zhang 0008, Yabing Zha	Integration of the Distributed Simulation into the OGSA Model.	GCC (1)	2003	DBLP DOI BibTeX RDF
27	Asa Elkins, Jeffery W. Wilson, Denis Gracanin	Security issues in high level architecture based distributed simulation.	WSC	2001	DBLP DOI BibTeX RDF
27	R. Becchini, P. Chilaev, V. Krivtsov, I. Viglietti, V. Volochinov	Middleware.	Cooperative Environments for Distributed Systems Engineering	2001	DBLP DOI BibTeX RDF
27	Rassul Ayani, Farshad Moradi, Gary S. H. Tan	Optimizing cell-size in grid-based DDM.	PADS	2000	DBLP DOI BibTeX RDF	group communication, distributed simulation, HLA, data communication, data filtering
27	Gary S. H. Tan, Yusong Zhang, Rassul Ayani	A Hybrid Approach to Data Distribution Management.	DS-RT	2000	DBLP DOI BibTeX RDF	grid-based filtering and region-based filtering and hybrid filtering, high level architecture, data distribution management
27	George J. Valentino, Steve T. Thompson, Todd Kniola, Chris J. Carlisle	An SMP-Based, Low-Latency, Network Interface Unit and Latency Measurement System: The SNAPpy System.	DIS-RT	1998	DBLP DOI BibTeX RDF	DIS-Lite, EVDAS, NIU, SNAPpy, Symmetric Multi-Processor, VR-Link, HLA, DIS, Windows NT, SNAP
23	Togo Ikegami, Minseok Kim 0001, Yuto Miyake, Hibiki Tsukada	Multipath-RTI: Millimeter-Wave Radio Based Device-Free Localization.	IEEE Access	2024	DBLP DOI BibTeX RDF
23	Liang Wu, Krystian Ganko, Shimin Wang, Richard D. Braatz	An Execution-time-certified Riccati-based IPM Algorithm for RTI-based Input-constrained NMPC.	CoRR	2024	DBLP DOI BibTeX RDF
23	David A. Lewis, Hermine Chatoux, Alamin Mansouri	SFF-RTI: an active multi-light approach to shape from focus.	Vis. Comput.	2024	DBLP DOI BibTeX RDF
23	Bibhya Sharma, Pritika Reddy, Vineet Singh	A measured inclusion of an RTI tool for the South Pacific.	ICSIM	2024	DBLP DOI BibTeX RDF
23	Rafael Piñeiro Rodríguez, Paula Muñoz 0002, Fernando Rosenblatt, Cecilia Rossel, Fabrizio Scrollini, Emiliano Tealde	How the exercise of the right to information (RTI) affects trust in political institutions.	Gov. Inf. Q.	2023	DBLP DOI BibTeX RDF
23	Marco Cimdins, Sven Ole Schmidt, Fabian John, Manfred Constapel, Horst Hellbrück	MA-RTI: Design and Evaluation of a Real-World Multipath-Assisted Device-Free Localization System.	Sensors	2023	DBLP DOI BibTeX RDF
23	Sunita Saha, David A. Lewis, Robert Sitnik	Approach to Identification of Changes from Local Surface Normal Analysis of RTI Data in Application to Cultural Heritage.	SUMAC @ ACM Multimedia	2022	DBLP DOI BibTeX RDF
23	Yuhang Shi, Weihong Ren, Weibo Jiang, Qiong Xu, Xiu Xu, Honghai Liu 0001	Vision-Based Action Detection for RTI Protocol of ASD Early Screening.	ICIRA (1)	2022	DBLP DOI BibTeX RDF
23	Nitesh Kumar Sharma, Lukesh Kumar Sahu, M. R. Khan, G. P. Khare, Prabhakar Mishra, Himanshu Agrawal	Indian RTI Act-2005 Analysis by Machine Learning: A Bastar Zone Perspective.	ICCCNT	2022	DBLP DOI BibTeX RDF
23	Marvin Nurit, Gaëtan Le Goïc, David A. Lewis, Yuly Emilia Castro, Abir Zendagui, Hermine Chatoux, Hugues Favrelière, Stéphane Maniglier, Pierre Jochum, Alamin Mansouri	HD-RTI: An adaptive multi-light imaging approach for the quality assessment of manufactured surfaces.	Comput. Ind.	2021	DBLP DOI BibTeX RDF
23	Dayou Luo, Xingping Wen, Junlong Xu, Haonan Zhang, Sihapanya Vongphet, Ping He	Assessing shallow groundwater level using RTI model and long-term MODIS data in Ejina Basin, Northwest China.	Earth Sci. Informatics	2021	DBLP DOI BibTeX RDF
23	Vlado Kitanovski, Jon Yngve Hardeberg	Objective evaluation of relighting models on translucent materials from multispectral RTI images.	Material Appearance	2021	DBLP DOI BibTeX RDF
23	Ji-Hyun Min, Jaehong Ahn, Sohyun Ahn, Heesu Choi, Sangdoo Ahn	Digital imaging methods for painting analysis: the application of RTI and 3D scanning to the study of brushstrokes and paintings.	Multim. Tools Appl.	2020	DBLP DOI BibTeX RDF
23	Matthew McGuigan, Jacqueline Christmas	Automating RTI: Automatic light direction detection and correcting non-uniform lighting for more accurate surface normals.	Comput. Vis. Image Underst.	2020	DBLP DOI BibTeX RDF
23	Jian Hu, Yongyang Hu, Guanwu Wang, Guilin Chen, Haitao Yang 0006, Yun Kang, Kang Wang	Multi-thread Simulation-based Equivalence Checking between SIM and RTI.	CSAE	2020	DBLP DOI BibTeX RDF
23	Moritz Gütlein, Wojciech Baron, Christopher Renner, Anatoli Djanatliev	Performance Evaluation of HLA RTI Implementations.	DS-RT	2020	DBLP DOI BibTeX RDF
23	Federico Ponchio, Massimiliano Corsini, Roberto Scopigno	RELIGHT: A compact and accurate RTI representation for the web.	Graph. Model.	2019	DBLP DOI BibTeX RDF
23	Lindsay W. MacDonald, Taylor Bennett, Christopher Ramsey, Charles Crowther	New RTI Technology for Palæography.	EVA	2019	DBLP DOI BibTeX RDF
23	Jean-Baptiste Thomas, Gaëtan Le Goïc, Yuly Emilia Castro, Marvin Nurit, Alamin Mansouri, Marius Pedersen, Abir Zendagui	Quality Assessment of Reconstruction and Relighting from RTI Images: Application to Manufactured Surfaces.	SITIS	2019	DBLP DOI BibTeX RDF
23	Federico Ponchio, Marion Lamé, Roberto Scopigno, Bruce Robertson	Visualizing and Transcribing Complex Writings Through RTI.	CIST	2018	DBLP DOI BibTeX RDF
23	Jie Jin, Wei Ke 0002, Jun Lu, Yanli Wang, Zoran Salcic	Multi-channel RTI fusion based on improved joint sparse model.	UPINLBS	2018	DBLP DOI BibTeX RDF
23	Maëlle Salmon, Sreekanth Vakacherla, Carles Milà, Julian D. Marshall, Cathryn Tonne	rtimicropem: an R package supporting the analysis of RTI MicroPEM output files.	J. Open Source Softw.	2017	DBLP DOI BibTeX RDF
23	Fabian Witter, Timo Klerx, Artus Krohn-Grimberghe	An Interval Distribution Analysis for RTI+.	ICPRAM	2017	DBLP DOI BibTeX RDF
23	Peter Fornaro, Andrea Bianco, Aeneas Kaiser, Lukas Rosenthaler	Enhanced RTI for gloss reproduction.	Material Appearance	2017	DBLP DOI BibTeX RDF
23	Andrea Giachetti 0001, Irina Ciortan, Claudia Daffara, Ruggero Pintus, Enrico Gobbetti	Multispectral RTI Analysis of Heterogeneous Artworks.	GCH	2017	DBLP DOI BibTeX RDF
23	Xavier Aure, Paul J. O'Dowd, Joseph Padfield	Generating 3D Models of Paintings through the Combination of 2D, 3D and RTI Data.	EVA	2017	DBLP DOI BibTeX RDF
23	Baolin Shang, Jiaju Tan, Xuemei Guo, Guoli Wang 0001, Ruixun Kong, Lei Bo	A RF-based spatiotemporal RTI localization algorithm using sparse Bayesian learning.	ICA	2017	DBLP DOI BibTeX RDF