Search results for "hotspots"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
16	Hussam Amrouch, Thomas Ebi, Josef Schneider, Sridevan Parameswaran, Jörg Henkel	Analyzing the thermal hotspots in FPGA-based embedded systems.	FPL	2013	DBLP DOI BibTeX RDF
16	Jiang Dong, Zhonghong Ou, Antti Ylä-Jääski, Yong Cui 0001	Mobile hotspots cooperation towards better energy efficiency.	GLOBECOM Workshops	2013	DBLP DOI BibTeX RDF
16	Enrique Puertas, Javier Fernández, Maria de la Luz Morales-Botello, Nourdine Aliane	Detection and visualization of potential traffic hotspots in urban environments.	ITST	2013	DBLP DOI BibTeX RDF
16	Tanvir Ahmed 0001, Torben Bach Pedersen, Hua Lu 0001	Capturing hotspots for constrained indoor movement.	SIGSPATIAL/GIS	2013	DBLP DOI BibTeX RDF
16	Justin Manweiler, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi	Predicting length of stay at WiFi hotspots.	INFOCOM	2013	DBLP DOI BibTeX RDF
16	Sven Wiethölter, Andreas Ruttor, Uwe Bergemann, Manfred Opper, Adam Wolisz	DARA: Estimating the behavior of data rate adaptation algorithms in WLAN hotspots.	INFOCOM	2013	DBLP DOI BibTeX RDF
16	George Parisis, Toby Moncaster, Anil Madhavapeddy, Jon Crowcroft	Trevi: watering down storage hotspots with cool fountain codes.	HotNets	2013	DBLP DOI BibTeX RDF
16	Nevena Vratonjic, Kévin Huguenin, Vincent Bindschaedler, Jean-Pierre Hubaux	How Others Compromise Your Location Privacy: The Case of Shared Public IPs at Hotspots.	Privacy Enhancing Technologies	2013	DBLP DOI BibTeX RDF
16	Ming-Hung Chen, Cheng-Fu Chou, Ke-Han Lee, Chun-Yuan Chang	On Cooperative Energy-Efficient P2P Live Streaming System for Mobile Hotspots.	GreenCom/iThings/CPScom	2013	DBLP DOI BibTeX RDF
16	Luís Moreira-Matias, Ricardo Fernandes, João Gama 0001, Michel Ferreira, João Mendes-Moreira 0001, Luís Damas	On Recommending Urban Hotspots to Find Our Next Passenger.	UDM@IJCAI	2013	DBLP BibTeX RDF
16	Ergun Gumus, Olcay Kursun, Ahmet Sertbas	Impact of characteristics in viral integration hotspots on classification performance.	SIU	2013	DBLP DOI BibTeX RDF
16	Feng Lin, Bai Jun Wu, Jiliu Zhou	HAR: A Hotspots-based Adaptive Routing in Delay Tolerant Mobile Sensor Networks.	Ad Hoc Sens. Wirel. Networks	2012	DBLP BibTeX RDF
16	Hyoil Kim, Kang G. Shin	Admission and Eviction Control of Cognitive Radio Users at Wi-Fi 2.0 Hotspots.	IEEE Trans. Mob. Comput.	2012	DBLP DOI BibTeX RDF
16	Wei Song 0001	Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworking.	EURASIP J. Wirel. Commun. Netw.	2012	DBLP DOI BibTeX RDF
16	Shan Yang, Wei Song 0001, Zhangdui Zhong	Packet-Level Performance Analysis for Video Traffic over Two-Hop Mobile Hotspots.	IEEE Wirel. Commun. Lett.	2012	DBLP DOI BibTeX RDF
16	Stefan Hüsig	Disruptive or Sustaining Impact of WLAN Hotspots?: The Role of Business Model Innovation in the Western European Hotspot Markets.	Int. J. Innov. Digit. Econ.	2012	DBLP DOI BibTeX RDF
16	Xiaoqing Zuo, Yongchuan Zhang	Detection and Analysis of Urban Area Hotspots Based on Cell Phone Traffic.	J. Comput.	2012	DBLP BibTeX RDF
16	Gabriella Schoier, Giuseppe Borruso	Spatial Data Mining for Highlighting Hotspots in Personal Navigation Routes.	Int. J. Data Warehous. Min.	2012	DBLP DOI BibTeX RDF
16	Matthias Korn, Clemens Nylandsted Klokmose	Putting 'local' back into public Wifi hotspots.	UbiComp	2012	DBLP DOI BibTeX RDF
16	Hidekazu Shimodaira, Gia Khanh Tran, Shinichi Tajima, Kei Sakaguchi, Kiyomichi Araki, Noriaki Miyazaki, Shoji Kaneko, Satoshi Konishi, Yoji Kishi	Optimization of picocell locations and its parameters in heterogeneous networks with hotspots.	PIMRC	2012	DBLP DOI BibTeX RDF
16	Santonu Sarkar, Mageri Filali Maltouf	Identifying hotspots in a program for data parallel architecture: an early experience.	ISEC	2012	DBLP DOI BibTeX RDF
16	Savithra Eratne, Eugene John, Byeong Kil Lee	Reducing thermal hotspots in microprocessors with expanded component sizing.	MWSCAS	2012	DBLP DOI BibTeX RDF
16	Maximilian Scharsich, Friedrich-L. Holl	Using wi-fi hotspots as an intrusion vector into corporate networks.	Multimedia on Mobile Devices / Multimedia Content Access: Algorithms and Systems	2012	DBLP DOI BibTeX RDF
16	Tao Han 0002, Nirwan Ansari	Opportunistic content pushing via WiFi hotspots.	IC-NIDC	2012	DBLP DOI BibTeX RDF
16	Sven Wiethölter, Marc Emmelmann, Robert Andersson, Adam Wolisz	Performance evaluation of selection schemes for offloading traffic to IEEE 802.11 hotspots.	ICC	2012	DBLP DOI BibTeX RDF
16	Wei Song 0001, Yang Guang, Yu Cheng 0003	QoS assurance for video service over heterogeneous mobile hotspots.	ICC	2012	DBLP DOI BibTeX RDF
16	Duo Ding, Bei Yu 0001, Joydeep Ghosh, David Z. Pan	EPIC: Efficient prediction of IC manufacturing hotspots with a unified meta-classification formulation.	ASP-DAC	2012	DBLP DOI BibTeX RDF
16	Huiling Chen, Guoqing Zhao, Ningyi Xu	The Analysis of Research Hotspots and Fronts of Knowledge Visualization Based on CiteSpace II.	ICHL	2012	DBLP DOI BibTeX RDF
16	Yinghui Shi, Zongkai Yang, Harrison Hao Yang, Sanya Liu	Study on the research hotspots of interactive whiteboards in education.	ICIMCS	2012	DBLP DOI BibTeX RDF
16	Sanaa Taha, Xuemin Shen	A link-layer authentication and key agreement scheme for mobile public hotspots in NEMO based VANET.	GLOBECOM	2012	DBLP DOI BibTeX RDF
16	Geert Vanderhulst, Lieven Trappeniers	Public WiFi hotspots at your service.	PerCom Workshops	2012	DBLP DOI BibTeX RDF
16	Motohiro Shirai, Masaharu Hirota, Shohei Yokoyama, Naoki Fukuta, Hiroshi Ishikawa 0004	Discovering multiple HotSpots using geo-tagged photographs.	SIGSPATIAL/GIS	2012	DBLP DOI BibTeX RDF
16	Joshua Hare, Lance Hartung, Suman Banerjee 0001	Beyond deployments and testbeds: experiences with public usage on vehicular WiFi hotspots.	MobiSys	2012	DBLP DOI BibTeX RDF
16	Younghyun Kim 0002, Sangheon Pack, Xuemin Shen	Dynamic bandwidth allocation in mobile hotspots.	WCSP	2012	DBLP DOI BibTeX RDF
16	Minna Kynsilehto, Thomas Olsson 0002	Checkpoints, hotspots and standalones: placing smart services over time and place.	NordiCHI	2012	DBLP DOI BibTeX RDF
16	Aaron Gower-Hall, Tamba Gbondo-Tugbawa, JenPin Weng, Wei-tsu Tseng, Laertis Economikos, Toshiaki Yanagisawa, Pavan Bashaboina, Stephen Greco	Understanding, modeling, and detecting pooling hotspots in copper CMP.	ISQED	2012	DBLP DOI BibTeX RDF
16	Adel Noureddine, Aurelien Bourdon, Romain Rouvoy, Lionel Seinturier	Runtime monitoring of software energy hotspots.	ASE	2012	DBLP DOI BibTeX RDF
16	Dawei Wang 0008, Wei Ding 0003, Tomasz F. Stepinski, Josue Salazar, Henry Z. Lo, Melissa Morabito	Optimization of Criminal HotSpots Based on Underlying Crime Controlling Factors Using Geospatial Discriminative Pattern.	IEA/AIE	2012	DBLP DOI BibTeX RDF
16	Jes A. Koepfler, Thomas Clay Templeton, Kenneth R. Fleischmann	Exploration of values and frames in social media texts related to the homeless hotspots debate.	ASIST	2012	DBLP DOI BibTeX RDF
16	Manh Quyet Vu, Quang Bao Le, Roland W. Scholz, Paul L. G. Vlek	Detecting geographic hotspots of human-induced land degradation in Vietnam and characterization of their social-ecological types.	IGARSS	2012	DBLP DOI BibTeX RDF
16	Pai-Hui Hsu, Wen-Ray Su	Hazard hotspots analysis from geospatial database using geospatial data mining technology.	IGARSS	2012	DBLP DOI BibTeX RDF
16	Min Wu 0008, Chee Keong Kwoh 0001, Teresa M. Przytycka, Jing Li 0002, Jie Zheng 0002	Integration of genomic and epigenomic features to predict meiotic recombination hotspots in human and mouse.	BCB	2012	DBLP DOI BibTeX RDF
16	Min Wu 0008, Chee Keong Kwoh 0001, Jie Zheng 0002, Xiaoli Li 0001	NetPipe: a network-based pipeline for discovery of genes and protein complexes regulating meiotic recombination hotspots.	BCB	2012	DBLP DOI BibTeX RDF
16	Ferdinando Di Martino, Salvatore Sessa 0002	The extended fuzzy C-means algorithm for hotspots in spatio-temporal GIS.	Expert Syst. Appl.	2011	DBLP DOI BibTeX RDF
16	Zude Li, Nazim H. Madhavji, Syed Shariyar Murtaza, Mechelle Gittens, Andriy V. Miranskyy, David Godwin, Enzo Cialini	Characteristics of multiple-component defects and architectural hotspots: a large system case study.	Empir. Softw. Eng.	2011	DBLP DOI BibTeX RDF
16	Jaeryong Hwang, Jaehyuk Choi 0002, Joon Yoo, Hwaryong Lee, Chong-kwon Kim	An Efficient Association Control Method for Vehicular Networks with Mobile Hotspots.	KSII Trans. Internet Inf. Syst.	2011	DBLP DOI BibTeX RDF
16	Yinyin Yuan, Oscar M. Rueda, Christina Curtis, Florian Markowetz	Penalized regression elucidates aberration hotspots mediating subtype-specific transcriptional responses in breast cancer.	Bioinform.	2011	DBLP DOI BibTeX RDF
16	Ross Maciejewski, Ryan Hafen, Stephen Rudolph, Stephen G. Larew, Michael A. Mitchell, William S. Cleveland, David S. Ebert	Forecasting Hotspots - A Predictive Analytics Approach.	IEEE Trans. Vis. Comput. Graph.	2011	DBLP DOI BibTeX RDF
16	Kaushal Desai, David Brott, Xiaohua Hu 0001, Anastasia Christianson	A Systems Biology Approach for Detecting Toxicity-Related Hotspots inside protein Interaction Networks.	J. Bioinform. Comput. Biol.	2011	DBLP DOI BibTeX RDF
16	Alessandro Ambrosi, Ingrid Kristine Glad, Danilo Pellin, Claudia Cattoglio, Fulvio Mavilio, Clelia Di Serio, Arnoldo Frigessi	Estimated Comparative Integration Hotspots Identify Different Behaviors of Retroviral Gene Transfer Vectors.	PLoS Comput. Biol.	2011	DBLP DOI BibTeX RDF
16	Fatima Smagulova, Ivan V. Gregoretti, Kevin Brick, Pavel Khil, R. Daniel Camerini-Otero, Galina V. Petukhova	Genome-wide analysis reveals novel molecular features of mouse recombination hotspots.	Nat.	2011	DBLP DOI BibTeX RDF
16	Ankit Agrawal 0001, Alok N. Choudhary	Identifying HotSpots in Lung Cancer Data Using Association Rule Mining.	ICDM Workshops	2011	DBLP DOI BibTeX RDF
16	Patrick Curry	Consumer Risk: The Importance of Privacy and Security while Connected to Wi-Fi Hotspots: Does Location Matter?	AMCIS	2011	DBLP BibTeX RDF
16	Saifeng Ni, Sihai Zhang, Wuyang Zhou, Bin Xia	Relay Aided Lifetime Prolongation for User Equipments in Hotspots.	VTC Fall	2011	DBLP DOI BibTeX RDF
16	Wei Zhang 0012, Jiale Huang, Shengqi Yang, Pallav Gupta	Case study: Alleviating hotspots and improving chip reliability via carbon nanotube thermal interface.	DATE	2011	DBLP DOI BibTeX RDF
16	Jihyuk Choi, Sang-Yoon Chang, Diko Ko, Yih-Chun Hu	Secure MAC-Layer Protocol for Captive Portals in Wireless Hotspots.	ICC	2011	DBLP DOI BibTeX RDF
16	Ben H. Smith, Laurie A. Williams	Using SQL Hotspots in a Prioritization Heuristic for Detecting All Types of Web Application Vulnerabilities.	ICST	2011	DBLP DOI BibTeX RDF
16	Pheeha Machaka, Takudzwa Mabande, Antoine B. Bagula	Monitoring of a Large Wi-Fi Hotspots Network: Performance Investigation of Soft Computing Techniques.	BIONETICS	2011	DBLP DOI BibTeX RDF
16	Ming-Hung Chen, Chun-Yu Yang, Chun-Yuan Chang, Ming-Yuan Hsu, Ke-Han Lee, Cheng-Fu Chou	Towards energy-efficient streaming system for mobile hotspots.	SIGCOMM	2011	DBLP DOI BibTeX RDF
16	Ali Imran 0001, Muhammad Ali Imran 0001, Atta U. Quddus, Rahim Tafazolli	Distributed spectral efficiency optimization at hotspots through self organisation of BS tilts.	GLOBECOM Workshops	2011	DBLP DOI BibTeX RDF
16	Kaushal Desai, David Brott, Xiaohua Hu 0001, Anastasia Christianson	A Systems Biology Approach for Detecting Toxicity-Related Hotspots inside Protein Interaction Networks.	HISB	2011	DBLP DOI BibTeX RDF
16	Pheeha Machaka, Antoine B. Bagula	Preemptive Performance Monitoring of a Large Network of Wi-Fi Hotspots: An Artificial Immune System. (PDF / PS)	WWIC	2011	DBLP DOI BibTeX RDF
16	Aldo Cassola, Tao Jin, Harsh Kumar, Guevara Noubir, Kamal Sharma	Demo: SNEAP: a social network-enabled EAP method no more open hotspots.	MobiSys	2011	DBLP DOI BibTeX RDF
16	Min Wu 0008, Chee Keong Kwoh 0001, Teresa M. Przytycka, Jing Li 0002, Jie Zheng 0002	Prediction of Trans-regulators of Recombination Hotspots in Mouse Genome.	BIBM	2011	DBLP DOI BibTeX RDF
16	Jaehyuk Choi 0002, Kang G. Shin	Out-of-band sensing with ZigBee for dynamic channel assignment in on-the-move hotspots.	ICNP	2011	DBLP DOI BibTeX RDF
16	Gabriella Schoier, Giuseppe Borruso	Individual Movements and Geographical Data Mining. Clustering Algorithms for Highlighting Hotspots in Personal Navigation Routes.	ICCSA (1)	2011	DBLP DOI BibTeX RDF
16	Qingqing Chang, Qiang Wang, Yu Qiao 0001, Yuyuan Zhu, Gang Huang, Jie Yang 0002	Adaptive Detection of Hotspots in Thoracic Spine from Bone Scintigraphy.	ICONIP (1)	2011	DBLP DOI BibTeX RDF
16	Martin B. Short, Andrea L. Bertozzi, P. Jeffrey Brantingham	Nonlinear Patterns in Urban Crime: Hotspots, Bifurcations, and Suppression.	SIAM J. Appl. Dyn. Syst.	2010	DBLP DOI BibTeX RDF
16	Marcelo Roberto Barbosa, José Carlos Sícoli Seoane, Mario Guimarães Buratto, Leonardo Santana de Oliveira Dias, João Paulo Carvalho Raivel, Flavio Lobos Martins	Forest Fire Alert System: a Geo Web GIS prioritization model considering land susceptibility and hotspots - a case study in the Carajás National Forest, Brazilian Amazon.	Int. J. Geogr. Inf. Sci.	2010	DBLP DOI BibTeX RDF
16	Clara S. M. Tang, Richard J. Epstein	Adaptive Evolution Hotspots at the GC-Extremes of the Human Genome: Evidence for Two Functionally Distinct Pathways of Positive Selection.	Adv. Bioinformatics	2010	DBLP DOI BibTeX RDF
16	Ross Maciejewski, Stephen Rudolph, Ryan Hafen, Ahmad M. Abusalah, Mohamed Yakout, Mourad Ouzzani, William S. Cleveland, Shaun J. Grannis, David S. Ebert	A Visual Analytics Approach to Understanding Spatiotemporal Hotspots.	IEEE Trans. Vis. Comput. Graph.	2010	DBLP DOI BibTeX RDF	hypothesis exploration, kernel density estimation, Geovisualization, syndromic surveillance
16	Han-Wen Chang, Yu-chin Tai, Jane Yung-jen Hsu	Context-aware taxi demand hotspots prediction.	Int. J. Bus. Intell. Data Min.	2010	DBLP DOI BibTeX RDF
16	Mi Kyung Han, Lili Qiu	Greedy Receivers in IEEE 802.11 Hotspots: Impacts and Detection.	IEEE Trans. Dependable Secur. Comput.	2010	DBLP DOI BibTeX RDF
16	Krishna Yeswanth Kamath, James Caverlee	Identifying hotspots on the real-time web.	CIKM	2010	DBLP DOI BibTeX RDF
16	Timo Ojala, Ville Valkama, Hannu Kukka, Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Fabio Kruger, Simo Hosio	UBI-hotspots: sustainable ecosystem infrastructure for real world urban computing research and business.	MEDES	2010	DBLP DOI BibTeX RDF
16	Richard Gass, Christophe Diot	Eliminating Backhaul Bottlenecks for Opportunistically Encountered Wi-Fi Hotspots.	VTC Spring	2010	DBLP DOI BibTeX RDF
16	G. I. Naik	LTE WLAN interworking for Wi-Fi hotspots.	COMSNETS	2010	DBLP DOI BibTeX RDF
16	Wei Song, Weihua Zhuang	Resource Reservation for Self-Similar Data Traffic in Cellular/WLAN Integrated Mobile Hotspots.	ICC	2010	DBLP DOI BibTeX RDF
16	Tzung-Shi Chen, Hua-Wen Tsai, Ying-Hung Lo, Yi-Shiang Chang	Mitigating query hotspots for wireless sensor networks.	IWCMC	2010	DBLP DOI BibTeX RDF	wireless sensor networks, routing, query, hotspot
16	Mikko Juhani Pitkänen, Teemu Kärkkäinen, Jörg Ott	Opportunistic web access via WLAN hotspots.	PerCom	2010	DBLP DOI BibTeX RDF
16	Akram Alkouz, Ernesto William De Luca, Jan Hendrik Clausen, Sahin Albayrak	The Smart-TSH-Finder: Crawling and Analyzing Tempo-Spatial Hotspots in Second Life.	LWA	2010	DBLP BibTeX RDF
16	Tommi Heikkinen, Tomas Lindén, Timo Ojala, Hannu Kukka, Marko Jurmu, Simo Hosio	Lessons Learned from the Deployment and Maintenance of UBI-Hotspots.	MUE	2010	DBLP DOI BibTeX RDF
16	Selima Ben Mustapha, Pierre Larouche, Jean-Marie M. Dubois	Does AVHRR-sea surface temperature fronts in the Beaufort Sea reveal biological hotspots?	IGARSS	2010	DBLP DOI BibTeX RDF
16	Stephan Krause	Coping with hotspots: AoI adaption strategies for P2P Networked Virtual Environments.	ICUMT	2009	DBLP DOI BibTeX RDF
16	Hyoil Kim, Kang G. Shin	Optimal Admission and Eviction Control of Secondary Users at Cognitive Radio HotSpots.	SECON	2009	DBLP DOI BibTeX RDF
16	Tamma Bheemarjuna Reddy, B. S. Manoj 0001, Ramesh R. Rao	An Autonomous Cognitive Access Point for Wi-Fi Hotspots.	GLOBECOM	2009	DBLP DOI BibTeX RDF
16	Kevin Buchin, Sergio Cabello, Joachim Gudmundsson, Maarten Löffler, Jun Luo 0008, Günter Rote, Rodrigo I. Silveira, Bettina Speckmann, Thomas Wolle	Detecting Hotspots in Geographic Networks.	AGILE Conf.	2009	DBLP DOI BibTeX RDF
16	Sangheon Pack, Humphrey Rutagemwa, Xuemin Shen, Jon W. Mark, Kunwoo Park	Proxy-Based Wireless Data Access Algorithms in Mobile Hotspots.	IEEE Trans. Veh. Technol.	2008	DBLP DOI BibTeX RDF
16	Yan Q. Bian, Andrew R. Nix, Eustace K. Tameh, Joseph McGeehan	MIMO-OFDM WLAN Architectures, Area Coverage, and Link Adaptation for Urban Hotspots.	IEEE Trans. Veh. Technol.	2008	DBLP DOI BibTeX RDF
16	Sangheon Pack, Xuemin Shen, Jon W. Mark, Lin Cai 0001	Throughput Analysis of TCP-Friendly Rate Control in Mobile Hotspots.	IEEE Trans. Wirel. Commun.	2008	DBLP DOI BibTeX RDF
16	Ching-Ju Lin, Cheng-Fu Chou	Cooperative content dissemination in multi-channel WLAN hotspots.	Comput. Networks	2008	DBLP DOI BibTeX RDF
16	Guanglan Zhang, Asif M. Khan, Kellathur N. Srinivasan, A. T. Heiny, Kenneth X. Lee, Chee Keong Kwoh 0001, J. Thomas August, Vladimir Brusic	Hotspot Hunter: a computational system for large-scale screening and selection of candidate immunological hotspots in pathogen proteomes.	BMC Bioinform.	2008	DBLP DOI BibTeX RDF
16	Ross Maciejewski, Stephen Rudolph, Ryan Hafen, Ahmad M. Abusalah, Mohamed Yakout, Mourad Ouzzani, William S. Cleveland, Shaun J. Grannis, Michael Wade, David S. Ebert	Understanding syndromic hotspots - a visual analytics approach.	IEEE VAST	2008	DBLP DOI BibTeX RDF
16	Kornel Laskowski	Modeling vocal interaction for text-independent detection of involvement hotspots in multi-party meetings.	SLT	2008	DBLP DOI BibTeX RDF
16	Aroua Biri, Hossam Afifi	A Novel Protocol for Securing Wireless Internet Service Provider's Hotspots.	CCNC	2008	DBLP DOI BibTeX RDF
16	Aroua Biri, Ahmad Ahmad, Hossam Afifi	Securing Media Hotspots.	WTS	2008	DBLP DOI BibTeX RDF
16	Srinivas Bangalore, David Smith	HotSpots: Visualizing Edits to a Text.	EMNLP	2008	DBLP BibTeX RDF
16	Suresh Thummalapenta, Tao Xie 0001	SpotWeb: Detecting Framework Hotspots and Coldspots via Mining Open Source Code on the Web.	ASE	2008	DBLP DOI BibTeX RDF
16	Sangheon Pack, Xuemin Shen, Jon W. Mark, Jianping Pan 0001	Mobility Management in Mobile Hotspots with Heterogeneous Multihop Wireless Links.	IEEE Commun. Mag.	2007	DBLP DOI BibTeX RDF
16	Dario Di Sorte, Mauro Femminella, Gianluca Reali	Beacon-Based Service Publishing Framework in Multiservice Wi-Fi Hotspots.	EURASIP J. Wirel. Commun. Netw.	2007	DBLP DOI BibTeX RDF