Search results for "MPEG-2"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
10	Hao-Song Kong, Anthony Vetro, Huifang Sun	Coding mode optimization for MPEG-2 transcoding with spatial resolution reduction.	VCIP	2003	DBLP BibTeX RDF
10	Byung Cheol Song, Kang Wook Chun	Virtual frame rate control for efficient MPEG-2 video encoding.	VCIP	2003	DBLP BibTeX RDF
10	Changseok Bae, Byeonggweon Choi, Yoonsik Choe	Homogeneous Down Sampling Transcoder for MPEG-2 Video Based on Hadamard Transform.	CISST	2003	DBLP BibTeX RDF
10	Keesook J. Han, Bruce W. Suter	Corrupted video quality analysis of error-resilient 3D SPIHT versus MPEG-2.	Visual Information Processing	2003	DBLP DOI BibTeX RDF
10	Dominique Cansell, Dominique Méry, Cyril Proch	Proof-based design of a microelectronic architecture for MPEG-2 bit-rate measurement .	FDL	2003	DBLP BibTeX RDF
10	Hiroe Iwasaki, Jiro Naganuma, Yasuyuki Nakajima, Yutaka Tashiro, Ken Nakamura, Takeshi Yoshitome, Takayuki Onishi, Mitsuo Ikeda, Takaaki Izuoka, Makoto Endo	A 1.1 W single-chip MPEG-2 HDTV codec LSI for embedding in consumer-oriented mobile codec systems.	CICC	2003	DBLP DOI BibTeX RDF
10	Kunihiro Yamada, Yukihisa Naoe, Masanori Kojima, Tadanori Mizuno	A New MPEG-2 Solution Using a 2nd ALU in the RISC.	KES	2003	DBLP DOI BibTeX RDF
10	Bulent Cavusoglu, Dan Schonfeld, Rashid Ansari	Real-time adaptive forward error correction for MPEG-2 video communications over RTP networks.	ICME	2003	DBLP DOI BibTeX RDF
10	Yibin Yang, Lilla Böröczky	Joint resolution enhancement and artifact reduction for MPEG-2 encoded digital video.	ICME	2003	DBLP DOI BibTeX RDF
10	Ju Wang 0001, Jonathan C. L. Liu, Yishu He	Efficient buffering control for a software-only, high-level, high-profile, MPEG-2 decoder.	ICME	2003	DBLP DOI BibTeX RDF
10	Jihua Cao, Zhaohua Wang, Fengting Li	DC Coefficients Recovery-based Error Concealment Technique for Mpeg-2 Video Streams.	WAA	2003	DBLP BibTeX RDF
10	Mark A. Robertson, Thomas S. Heath	Mosaics from MPEG-2 video.	Computational Imaging	2003	DBLP DOI BibTeX RDF
10	Shiau-Jen Weng, Ta-Te Lu, Pao-Chi Chang	Key-based video watermarking system on MPEG-2.	Security and Watermarking of Multimedia Contents	2003	DBLP DOI BibTeX RDF
10	Satoshi Kumaki, Hidehiro Takata, Yoshihide Ajioka, Tsukasa Ooishi, Kazuya Ishihara, Atsuo Hanami, Takaharu Tsuji, Tetsuya Watanabe, Chikayoshi Morishima, Tomoaki Yoshizawa, Hidenori Sato, Shin-ichi Hattori, Atsushi Koshio, Kazuhiro Tsukamoto, Tetsuya Matsumura	A 99-mm2 0.7-W single-chip MPEG-2 422P@ML video, audio, and system encoder with a 64-Mb embedded DRAM for portable 422P@HL encoder system.	IEEE J. Solid State Circuits	2002	DBLP DOI BibTeX RDF
10	Paolo Gastaldo, Rodolfo Zunino, Stefano Rovetta	Objective assessment of MPEG-2 video quality.	J. Electronic Imaging	2002	DBLP DOI BibTeX RDF
10	Valentín Valero Ruiz, Fernando L. Pelayo, Fernando Cuartero, Diego Cazorla	Specification and Analysis of the MPEG--2 Video Encoder with Timed-Arc Petri Nets.	FMICS	2002	DBLP DOI BibTeX RDF
10	Shih-Hsuan Yang, Jia-Ming Lin	MPEG-2 Error Concealment over Burst-Packet-Loss Networks.	IEICE Trans. Fundam. Electron. Commun. Comput. Sci.	2002	DBLP BibTeX RDF
10	Yingwei Chen, Zhun Zhong, Tse-Hua Lan, Sharon S. Peng, Kees van Zon	Regulated complexity scalable MPEG-2 video decoding for media processors.	IEEE Trans. Circuits Syst. Video Technol.	2002	DBLP DOI BibTeX RDF
10	Bo Martins, Søren Forchhammer	A unified approach to restoration, deinterlacing and resolution enhancement in decoding MPEG-2 video.	IEEE Trans. Circuits Syst. Video Technol.	2002	DBLP DOI BibTeX RDF
10	Seetharaman Ramachandran, S. Srinivasan 0001	A fast, FPGA-based MPEG-2 video encoder with a novel automatic quality control scheme.	Microprocess. Microsystems	2002	DBLP DOI BibTeX RDF
10	Wang Xingdong, Yu Songyu, Liang Longfei	Implementation of MPEG-2 transport stream remultiplexer for DTV broadcasting.	IEEE Trans. Consumer Electron.	2002	DBLP DOI BibTeX RDF
10	Dirk Farin, Niels Mache, Peter H. N. de With	A software-based high-quality MPEG-2 encoder employing scene change detection and adaptive quantization.	IEEE Trans. Consumer Electron.	2002	DBLP DOI BibTeX RDF
10	Taku Nakamura, Hiroyuki Marumori, Masaru Takahashi, Yukio Fujii	An MPEG-2 codec LSI with an audio accelerator for camcorders.	IEEE Trans. Consumer Electron.	2002	DBLP DOI BibTeX RDF
10	Frederik J. de Bruijn, Wilhelmus H. A. Brüls, Dzevdet Burazerovic, Gerard de Haan	Efficient video coding integrating MPEG-2 and picture-rate conversion.	IEEE Trans. Consumer Electron.	2002	DBLP DOI BibTeX RDF
10	Kunihiro Yamada, Masanori Kojima, Toru Shimizu, Fumiaki Sato, Tadanori Mizuno	A new RISC processor architecture for MPEG-2 decoding.	IEEE Trans. Consumer Electron.	2002	DBLP DOI BibTeX RDF
10	Hairuo Ma, Magda El Zarki	A New Transport Protocol for Broadcasting/Multicasting MPEG-2 Video Over Wireless ATM Access Networks.	Wirel. Networks	2002	DBLP DOI BibTeX RDF
10	Konstantinos Konstantinides, Cheng-Tie Chen, Ting-Chung Chen, Hown Cheng, Fure-Ching Jeng	Design of an MPEG-2 codec.	IEEE Signal Process. Mag.	2002	DBLP DOI BibTeX RDF
10	Panos Nasiopoulos, Rabab Kreidieh Ward	Effective multi-program broadcasting of prerecorded video using VBR MPEG-2 coding.	IEEE Trans. Broadcast.	2002	DBLP DOI BibTeX RDF
10	Liang Longfei, Yu Songyu, Wang Xingdong	Implementation of a new MPEG-2 transport stream processor for digital television broadcasting.	IEEE Trans. Broadcast.	2002	DBLP DOI BibTeX RDF
10	Paolo Gastaldo, Stefano Rovetta, Rodolfo Zunino	Objective quality assessment of MPEG-2 video streams by using CBP neural networks.	IEEE Trans. Neural Networks	2002	DBLP DOI BibTeX RDF
10	Takashi Akutsu, Hideaki Kimata, Atsushi Shimizu, Yoshiyuki Yashima, Naoki Kobayashi 0002	"Trampeg": An MPEG-2 real-time software transcoder for low-bit-rate transmission.	Syst. Comput. Jpn.	2002	DBLP DOI BibTeX RDF
10	Junji Tajime, Yuzo Senda, Yoshihiro Miyamoto	Fast software MPEG-2 video transcoder with optimization of requantization error compensation.	ICIP (1)	2002	DBLP DOI BibTeX RDF
10	Sei Naito, Atsushi Koike, Masahiro Wada, Shuichi Matsumoto	Optimal MPEG-2 encoder design for low bit-rate HDTV digital broadcasting.	ICIP (3)	2002	DBLP DOI BibTeX RDF
10	Jiri Fridrich, Rui Du	Lossless authentication of MPEG-2 video.	ICIP (2)	2002	DBLP DOI BibTeX RDF
10	Saverio Cacopardi, Michele Caponi, Fabrizio Frescura, Simone Sabina	A DSP based MPEG-2 video decoder for HDTV or multichannel SDTV.	IEEE Workshop on Multimedia Signal Processing	2002	DBLP DOI BibTeX RDF
10	Li-Wei Kang, Jin-Jang Leou	A new hybrid error concealment scheme for MPEG-2 video transmission.	IEEE Workshop on Multimedia Signal Processing	2002	DBLP DOI BibTeX RDF
10	Ju Wang 0001, Jonathan C. L. Liu, Joseph Lin	A Partition-Based Parallel MPEG-2 Software Decoder.	JCIS	2002	DBLP BibTeX RDF
10	Zhun Zhong, Yingwei Chen, Tse-Hua Lan	Signal adaptive processing in MPEG-2 decoders with embedded resizing for interlaced video.	VCIP	2002	DBLP BibTeX RDF
10	Dominique A. Winne, Henry D. Knowles, David R. Bull, Cedric Nishan Canagarajah	Spatial digital watermark for MPEG-2 video authentication and tamper detection.	ICASSP	2002	DBLP DOI BibTeX RDF
10	Takeshi Takahashi 0001, Hiroyuki Kasai, Tsuyoshi Hanamura, Hideyoshi Tominaga	Packet-multiplexing scheme in MPEG-2 multi-program transport stream transcoder.	ICASSP	2002	DBLP DOI BibTeX RDF
10	Chung-Lin Huang, Sling Liang	A model-driven joint source and channel coder for MPEG-2 video transmission.	ICASSP	2002	DBLP DOI BibTeX RDF
10	Samuel Cheng 0001, Heather Yu, Zixiang Xiong	Enhanced spread spectrum watermarking of MPEG-2 AAC audio.	ICASSP	2002	DBLP DOI BibTeX RDF
10	Tsung-Han Tsai 0001, Jiun-Nan Liu	Architecture design for MPEG-2 AAC filterbank decoder using modified regressive method.	ICASSP	2002	DBLP DOI BibTeX RDF
10	Jörn Jachalsky, M. Wahle, Peter Pirsch, Winfried Gehrke	A flexible, fully configurable architecture for MPEG-2 video encoding.	ICECS	2002	DBLP DOI BibTeX RDF
10	Philippe Coussy, Adel Baganne, Eric Martin 0001	Virtual component IP re-use in telecommunication systems design: a case study of MPEG-2/JPEG2000 encoder.	ICECS	2002	DBLP DOI BibTeX RDF
10	Shunichi Ishiwata, Tomoo Yamakage, Yoshiro Tsuboi, Takayoshi Shimazawa, Tomoko Kitazawa, Shuji Michinaka, Kunihiko Yahagi, Hideki Takeda, Akihiro Oue, Tomoya Kodama, Nobu Matsumoto, Takayuki Kamei, Takashi Miyamori, Goichi Ootomo, Masataka Matsui	A single-chip MPEG-2 codec based on customizable media microprocessor.	CICC	2002	DBLP DOI BibTeX RDF
10	Marek Domanski, Adam Luczak	Simple global model of an MPEG-2 bitstream.	ICME (1)	2002	DBLP DOI BibTeX RDF
10	Bin Yu 0010, Klara Nahrstedt	A compressed-domain visual information embedding algorithm for MPEG-2 HDTV streams.	ICME (1)	2002	DBLP DOI BibTeX RDF
10	Weiqiang Wang, Wen Gao 0001	An Index Model for MPEG-2 Streams.	IEEE Pacific Rim Conference on Multimedia	2002	DBLP DOI BibTeX RDF
10	Naoki Wakamiya, Masayuki Murata 0001, Hideo Miyahara	Comparison of VBR and CBR service classes for MPEG-2 video multiplexing - Is statistical multiplexing really useful for bursty video transmission?	Int. J. Commun. Syst.	2001	DBLP DOI BibTeX RDF
10	Wenjing Lou, Liang-Tien Chia, Bu-Sung Lee, Bin Wang	The transmission of MPEG-2 VBR video under usage parameter control.	Int. J. Commun. Syst.	2001	DBLP DOI BibTeX RDF
10	Pascal Frossard, Olivier Verscheure	AMISP: a complete content-based MPEG-2 error-resilient scheme.	IEEE Trans. Circuits Syst. Video Technol.	2001	DBLP DOI BibTeX RDF
10	Ishfaq Ahmad, Shahriar M. Akramullah, Ming L. Liou, Muhammad Kafil	A scalable off-line MPEG-2 video encoding scheme using a multiprocessor system.	Parallel Comput.	2001	DBLP DOI BibTeX RDF
10	Ralf M. Schreier, Martin Lallinger, Detlef Teichner, Albrecht Rothermel	MPEG-2 encoding of low-quality TV signals.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Ruljin Fu, Bu-Sung Lee, Anil K. Gupta	Scalable layered MPEG-2 video multicast architecture.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Kyoung Ho Bang, Joon-Seok Kim 0002, Nam Hun Jeong, Young-Cheol Park, Dae Hee Youn	Design optimization of MPEG-2 AAC decoder.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Angela Doufexi, David W. Redmill, David R. Bull, Andrew R. Nix	MPEG-2 video transmission using the HIPERLAN/2 WLAN standard.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	D. P. Kelly, O. J. Morris, M. Kato	Virtual editing of MPEG-2 streams.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Do Nyeon Kim, Bumsik Yoon, Yoonsik Choe	Direct converting DV into MPEG-2 intra coding.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Eric Barrau	A scalable MPEG-2 bit-rate transcoder with graceful degradation.	IEEE Trans. Consumer Electron.	2001	DBLP DOI BibTeX RDF
10	Dimitrios Tzovaras, Nikolaos V. Boulgouris, Katerina J. Argyraki, Michael G. Strintzis	Rate - distortion optimal fast thresholding for MPEG - 2 image sequence coding.	Eur. Trans. Telecommun.	2001	DBLP DOI BibTeX RDF
10	José R. Brunheroto, Richard Chernock, Paolo Dettori, J. Paraszczak, Frank Schaffa, David I. Seidman, X. Dong	Synchronized data services over MPEG - 2 digital television broadcast systems.	Eur. Trans. Telecommun.	2001	DBLP DOI BibTeX RDF
10	Lorenzo Favalli	Hierarchical transmission of MPEG - 2 sequences in noisy environments.	Eur. Trans. Telecommun.	2001	DBLP DOI BibTeX RDF
10	Tingting Zhang, Ulf Jennehag, Youzhi Xu	Numerical modeling of transmission errors and video quality of MPEG-2.	Signal Process. Image Commun.	2001	DBLP DOI BibTeX RDF
10	Çigdem Eroglu Erdem, A. Tanju Erdem	An illumination invariant algorithm for subpixel accuracy image stabilization and its effect on MPEG-2 video compression.	Signal Process. Image Commun.	2001	DBLP DOI BibTeX RDF
10	L. Boroczyky, Johan G. W. M. Janssen	Sharpness enhancement for MPEG-2 encoded/transcoded video sources.	ICIP (2)	2001	DBLP DOI BibTeX RDF
10	Joël Jung, Marc Antonini, Michel Barlaud	New object-based variational approach for MPEG-2 data recovery over lossy packet networks.	VCIP	2001	DBLP BibTeX RDF
10	Dirk Farin, Niels Mache, Peter H. N. de With	SAMPEG: a scene-adaptive parallel MPEG-2 software encoder.	VCIP	2001	DBLP BibTeX RDF
10	Russell E. Henning, Chaitali Chakrabarti	An approach for enabling DCT/IDCT energy reduction scalability in MPEG-2 video codecs.	ICASSP	2001	DBLP DOI BibTeX RDF
10	Yuichiro Takamizawa, Toshiyuki Nomura, Masao Ikekawa	High-quality and processor-efficient implementation of an MPEG-2 AAC encoder.	ICASSP	2001	DBLP DOI BibTeX RDF
10	Cheng-Tie Chen, Ting-Chung Chen, Fure-Ching Jeng, Hown Cheng, Konstantinos Konstantinides	A single-chip MPEG-2 MP@ML audio/video encoder/decoder with a programmable video interface unit.	ICASSP	2001	DBLP DOI BibTeX RDF
10	Kyoung Ho Bang, Nam Hun Jeong, Young-Cheol Park, Dae Hee Youn	Design optimization of main-profile MPEG-2 AAC decoder.	ICASSP	2001	DBLP DOI BibTeX RDF
10	Michael S. Moore, John M. Foley, Sanjit K. Mitra	Comparison of the detectability and annoyance value of embedded MPEG-2 artifacts of different type, size, and duration.	Human Vision and Electronic Imaging	2001	DBLP DOI BibTeX RDF
10	Javed I. Khan, Zhong Guo, Wansik Oh	Motion based object tracking in MPEG-2 stream for perceptual region discriminating rate transcoding.	ACM Multimedia	2001	DBLP DOI BibTeX RDF	content aware streaming, perceptual encoding, video transcoding
10	Satoshi Kumaki, Hidehiro Takata, Yoshihide Ajioka, Tsukasa Ooishi, Kazuya Ishihara, Atsuo Hanami, Takaharu Tsuji, Yusuke Kanehira, Tetsuya Watanabe, Chikayoshi Morishima, Tomoaki Yoshizawa, Hidenori Sato, Shin-ichi Hattori, Atsushi Koshio, Kazuhiro Tsukamoto, Tetsuva Matsumura	A 99-mm2, 0.7-W, single-chip MPEG-2 422P@ML video, audio, and system encoder with a 64-Mbit embedded DRAM for portable 422P@HL encoder system.	CICC	2001	DBLP DOI BibTeX RDF
10	D.-H. Kim, J.-H. Yang, J.-Y. Kwak, S.-H. Ahn, W.-J. Yoo, H.-C. Kim	QoS Adaptive Streaming based on Enhanced MPEG-2 Scaling.	IMSA	2001	DBLP BibTeX RDF
10	Pedro Cuenca 0001, Luis Orozco-Barbosa, Antonio Jose Garrido del Solo, Francisco J. Quiles 0001	Control Mechanisms for Error-Resilient MPEG-2 Video Communications over ATM Networks.	Real Time Imaging	2000	DBLP DOI BibTeX RDF
10	Dan Schonfeld, Dan Lelescu	VORTEX: Video Retrieval and Tracking from Compressed Multimedia Databases - Multiple Object Tracking from MPEG-2 Bit Stream.	J. Vis. Commun. Image Represent.	2000	DBLP DOI BibTeX RDF
10	Hilmar Linder, Horst D. Clausen, Bernhard Collini-Nocker	Satellite Internet services using DVB/MPEG-2 and multicast Web caching.	IEEE Commun. Mag.	2000	DBLP DOI BibTeX RDF
10	J. H. Jeon, H. S. Kim, G. N. Boo, J. S. Song, E. W. Lee, H. W. Park	Real-Time MPEG-2 Video Codec System Using Multiple Digital Signal Processors.	Multim. Tools Appl.	2000	DBLP DOI BibTeX RDF
10	Anssi Huttunen, Irek Defée	Broadband MPEG-2 Client with Network Configuration Capability.	Multim. Tools Appl.	2000	DBLP DOI BibTeX RDF
10	Jian Zhang 0002, Michael R. Frater, John F. Arnold	A cell-loss concealment technique for MPEG-2 coded video.	IEEE Trans. Circuits Syst. Video Technol.	2000	DBLP DOI BibTeX RDF
10	Jeff McVeigh, George K. Chen, Judi Goldstein, Atul Gupta, Mike Keith, Steve Wood	A software-based real-time MPEG-2 video encoder.	IEEE Trans. Circuits Syst. Video Technol.	2000	DBLP DOI BibTeX RDF
10	Y. Senda	Approximate criteria for the MPEG-2 motion estimation.	IEEE Trans. Circuits Syst. Video Technol.	2000	DBLP DOI BibTeX RDF
10	Lorenzo Favalli, Alessandro Mecocci, Fulvio Moschetti	Object tracking for retrieval applications in MPEG-2.	IEEE Trans. Circuits Syst. Video Technol.	2000	DBLP DOI BibTeX RDF
10	Sofia Tsekeridou, Ioannis Pitas	MPEG-2 error concealment based on block-matching principles.	IEEE Trans. Circuits Syst. Video Technol.	2000	DBLP DOI BibTeX RDF
10	Pedro Cuenca 0001, Luis Orozco-Barbosa, Francisco J. Quiles 0001, Antonio Garrido 0001	Loss-resilient ATM protocol architecture for MPEG-2 video communications.	IEEE J. Sel. Areas Commun.	2000	DBLP DOI BibTeX RDF
10	Fabrizio S. Rovati, Danilo Pau, Emiliano Mario Piccinelli, Luca Pezzoni, Jean-Michel Bard	An innovative, high quality and search window independent motion estimation algorithm and architecture for MPEG-2 encoding.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Bernd Sostawa, Thomas Dannemann, Joachim Speidel	DSP-based transcoding of digital video signals with MPEG-2 format.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Myeong-Hoon Jo, Woo-Jin Song	Error concealment for MPEG-2 video decoders with enhanced coding mode estimation.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Won-Yeol Lee, Yeonsik Jeong, Jae Cheol Lee, Inkyeom Kim	A practical rate control algorithm for VBR MPEG-2 video transmission over ATM networks.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Satoshi Kondo	A method for removing blocking effects in MPEG-2 video by applying a block classification technique using stream information.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Warnakulasuriya Anil Chandana Fernando, Cedric Nishan Canagarajah, David R. Bull	Fade, dissolve and wipe production in MPEG-2 compressed video.	IEEE Trans. Consumer Electron.	2000	DBLP DOI BibTeX RDF
10	Nedo Celandroni, Erina Ferro, Francesco Potorti, Antonio Chimienti, Maurizio Lucenteforte	Dynamic Rate Shaping on MPEG-2 Video Streams for Bandwidth Saving on a Faded Satellite Channel.	Eur. Trans. Telecommun.	2000	DBLP DOI BibTeX RDF
10	Olaf Götz, Bernd Fankhänel, Petra Hennecke	Teleteaching mit MPEG-2.	Prax. Inf.verarb. Kommun.	2000	DBLP DOI BibTeX RDF
10	Jianghong Du, Zhongyang Xu, Hao Chen, Hui Ding	Scheduling algorithm for MPEG-2 TS multiplexers in CATV networks.	IEEE Trans. Broadcast.	2000	DBLP DOI BibTeX RDF
10	Olivier Derrien, Sonia Djaziri Larbi, Marcos Perreau Guimaraes, Nicolas Moreau	Le codeur mpeg-2 AAC expliqué aux traiteurs de signaux.	Ann. des Télécommunications	2000	DBLP DOI BibTeX RDF
10	Pedro Cuenca 0001, Luis Orozco-Barbosa, Antonio Garrido 0001, Francisco J. Quiles 0001	Control mechanisms to improve the robustness of mpeg-2 based communications over ATM networks.	Ann. des Télécommunications	2000	DBLP DOI BibTeX RDF
10	Heiko Oehring, Ulrich Sigmund, Theo Ungerer	Performance of simultaneous multithreaded multimedia-enhanced processors for MPEG-2 video decompression.	J. Syst. Archit.	2000	DBLP DOI BibTeX RDF
10	Ren Egawa, A. Aydin Alatan, Ali N. Akansu	Compressed Domain MPEG-2 Video Editing with VBV Requirement.	ICIP	2000	DBLP DOI BibTeX RDF