Search results for "charting"

Hits ?▲	Authors	Title	Venue	Year	Link
18	Fatemeh Zahra Saberifar, Dylan A. Shell, Jason M. O'Kane	Charting the trade-off between design complexity and plan execution under probabilistic actions.	ICRA	2022	DBLP DOI BibTeX RDF
18	Ryosuke Tsuzuki, Riku Kumemoto, Haruya Yoshida, Tomoki Tanaka, Pauline N. Kawamoto	Visualizing and Communicating Health Trends in a Digital Charting Application for Nursing Home Staff.	LifeTech	2022	DBLP DOI BibTeX RDF
18	Parham Kazemi, Hanan Al-Tous, Christoph Studer, Olav Tirkkonen	Channel Charting Assisted Beam Tracking.	VTC Spring	2022	DBLP DOI BibTeX RDF
18	Pham Q. Viet, Daniel Romero 0004	Implicit Channel Charting with Application to UAV-aided Localization.	SPAWC	2022	DBLP DOI BibTeX RDF
18	Lucas Ribeiro, Markus Leinonen, Isuru Rathnayaka, Hanan Al-Tous, Markku J. Juntti	Channel Charting Aided Pilot Allocation in Multi-Cell Massive MIMO mMTC Networks.	SPAWC	2022	DBLP DOI BibTeX RDF
18	Patrick Agostini, Zoran Utkovski, Slawomir Stanczak	Federated Learning for Multipoint Channel Charting.	SPAWC	2022	DBLP DOI BibTeX RDF
18	Taha Yassine, Luc Le Magoarou, Stéphane Paquelet, Matthieu Crussière	Leveraging triplet loss and nonlinear dimensionality reduction for on-the-fly channel charting.	SPAWC	2022	DBLP DOI BibTeX RDF
18	Florian Euchner, Phillip Stephan, Marc Gauger, Sebastian Dörner, Stephan ten Brink	Improving Triplet-Based Channel Charting on Distributed Massive MIMO Measurements.	SPAWC	2022	DBLP DOI BibTeX RDF
18	Zhifan Wang, Yamei Xu, Ming Zhao 0008, Sihai Zhang, Gaoning He	How Soon Will Channel Charting Be Inapplicable in User Moving Scenarios?: Some Answers.	GLOBECOM	2022	DBLP DOI BibTeX RDF
18	Luc Le Magoarou, Taha Yassine, Stéphane Paquelet, Matthieu Crussière	Channel charting based beamforming.	IEEECONF	2022	DBLP DOI BibTeX RDF
18	Hanan Al-Tous, Parham Kazemi, Christoph Studer, Olav Tirkkonen	Channel Charting with Angle-Delay-Power-Profile Features and Earth-Mover Distance.	IEEECONF	2022	DBLP DOI BibTeX RDF
18	Patrick Agostini, Zoran Utkovski, Slawomir Stanczak, Aman Amir Memon, Bilal Zafar 0001, Martin Haardt	Not-Too-Deep Channel Charting (N2D-CC).	WCNC	2022	DBLP DOI BibTeX RDF
18	Yamei Xu, Ming Zhao 0008, Sihai Zhang, Gaoning He	Channel Charting-Based Pilot Assignment over Spatially Correlated Channels.	WCSP	2022	DBLP DOI BibTeX RDF
18	Anjali Singh, Christopher Brooks 0001, Shayan Doroudi	Learnersourcing in Theory and Practice: Synthesizing the Literature and Charting the Future.	L@S	2022	DBLP DOI BibTeX RDF
18	Sebastian Rudolph	Charting the Borderland - Decidability in Description Logics and Beyond (DL Invited Talk Abstract).	Description Logics	2022	DBLP BibTeX RDF
18	Yi-Shan Tsai, Shaveen Singh, Mladen Rakovic, Lisa-Angelique Lim, Anushka Roychoudhury, Dragan Gasevic	Charting Design Needs and Strategic Approaches for Academic Analytics Systems through Co-Design.	LAK	2022	DBLP DOI BibTeX RDF
18	Atiya Nova, Stevie Cheryl Francesca Sansalone, Raquel Robinson, Pejman Mirza-Babaei	Charting the Uncharted with GUR: How AI Playtesting Can Supplement Expert Evaluation.	FDG	2022	DBLP DOI BibTeX RDF
18	Curtis P. Langlotz, Thomas Wang, Tina Hernandez-Boussard, Irene Dankwa-Mullan	Implications of Data As a Public Good: Charting a Path Toward Diagnostic Excellence.	AMIA	2022	DBLP BibTeX RDF
18	Jessica Annette Pater, Fen Lei Chang, Jeanne Carroll, R. Scott Stienecker, Tammy Toscos, Shion Guha	Charting the Changing Nature of Post-Covid Symptoms: Initial Findings from a Longitudinal Study.	AMIA	2022	DBLP BibTeX RDF
18	Yifan Zhang, Brandon Bogard, Chengcui Zhang	Development of Natural Language Processing Algorithm for Dental Charting.	SN Comput. Sci.	2021	DBLP DOI BibTeX RDF
18	Pablo Acuña	Charting the landscape of interpretation, theory rivalry, and underdetermination in quantum mechanics.	Synth.	2021	DBLP DOI BibTeX RDF
18	Ali Pournemat, Peyman Adibi, Jocelyn Chanussot	Semisupervised charting for spectral multimodal manifold learning and alignment.	Pattern Recognit.	2021	DBLP DOI BibTeX RDF
18	Yaohu Lin, Shancun Liu, Haijun Yang, Harris Wu	Stock Trend Prediction Using Candlestick Charting and Ensemble Machine Learning Techniques With a Novelty Feature Engineering Scheme.	IEEE Access	2021	DBLP DOI BibTeX RDF
18	Tahiru Azaaviele Liedong, David Sarpong	Taking stock and charting the future: the management and implications of DIY laboratories for innovation and society.	Technol. Anal. Strateg. Manag.	2021	DBLP DOI BibTeX RDF
18	Luke Haliburton, Pawel W. Wozniak, Albrecht Schmidt 0001, Jasmin Niess	Charting the Path: Requirements and Constraints for Technology-Supported Walking Meetings.	Proc. ACM Hum. Comput. Interact.	2021	DBLP DOI BibTeX RDF
18	Luc Le Magoarou	Efficient Channel Charting via Phase-Insensitive Distance Computation.	IEEE Wirel. Commun. Lett.	2021	DBLP DOI BibTeX RDF
18	H. C. Eschenroeder Jr., Lauren C. Manzione, Julia Adler-Milstein, Connor Bice, Robert Cash, Cole Duda, Craig Joseph, John S. Lee, Amy Maneker, Karl A. Poterack, Sarah B. Rahman, Jacob Jeppson, Christopher Longhurst	Associations of physician burnout with organizational electronic health record support and after-hours charting.	J. Am. Medical Informatics Assoc.	2021	DBLP DOI BibTeX RDF
18	Batya Friedman, Maaike Harbers, David G. Hendry, Jeroen van den Hoven, Catholijn M. Jonker, Nick Logler	Introduction to the special issue: value sensitive design: charting the next decade.	Ethics Inf. Technol.	2021	DBLP DOI BibTeX RDF
18	Paul Ferrand, Alexis Decurninge, Luis Garcia Ordóñez, Maxime Guillaud	Triplet-Based Wireless Channel Charting: Architecture and Experiments.	IEEE J. Sel. Areas Commun.	2021	DBLP DOI BibTeX RDF
18	Luc Le Magoarou	Efficient channel charting via phase-insensitive distance computation.	CoRR	2021	DBLP BibTeX RDF
18	Ethan Davis, Christopher M. Danforth, Wolfgang Mieder, Peter Sheridan Dodds	Computational Paremiology: Charting the temporal, ecological dynamics of proverb use in books, news articles, and tweets.	CoRR	2021	DBLP BibTeX RDF
18	Qianqian Zhang 0002, Walid Saad	Semi-Supervised Learning for Channel Charting-Aided IoT Localization in Millimeter Wave Networks.	CoRR	2021	DBLP BibTeX RDF
18	Brian Rappaport, Emre Gönültas, Jakob Hoydis, Maximilian Arnold, Pavan Koteshwar Srinath, Christoph Studer	Improving Channel Charting using a Split Triplet Loss and an Inertial Regularizer.	CoRR	2021	DBLP BibTeX RDF
18	Lukas Schneider, Johannes Scholten, Bulcsú Sándor, Claudius Gros	Charting closed-loop collective cultural decisions: From book best sellers and music downloads to Twitter hashtags and Reddit comments.	CoRR	2021	DBLP BibTeX RDF
18	Tim Gubner, Peter A. Boncz	Charting the Design Space of Query Execution using VOILA. (PDF / PS)	Proc. VLDB Endow.	2021	DBLP DOI BibTeX RDF
18	Ramazan Ünlü	Cost-oriented LSTM methods for possible expansion of control charting signals.	Comput. Ind. Eng.	2021	DBLP DOI BibTeX RDF
18	Hanan Al-Tous, Olav Tirkkonen, Jing Liang	Adaptive Sector Splitting based on Channel Charting in Massive MIMO Cellular Systems.	VTC Spring	2021	DBLP DOI BibTeX RDF
18	Philipp Jordan, Paula Alexandra Silva	Charting Science Fiction in Computer Science Literature.	INTETAIN	2021	DBLP DOI BibTeX RDF
18	Junquan Deng, Olav Tirkkonen, Jianzhao Zhang, Xianlong Jiao, Christoph Studer	Network-side Localization via Semi-Supervised Multi-point Channel Charting.	IWCMC	2021	DBLP DOI BibTeX RDF
18	Qianqian Zhang 0002, Walid Saad	Semi-Supervised Learning for Channel Charting-Aided IoT Localization in Millimeter Wave Networks.	GLOBECOM	2021	DBLP DOI BibTeX RDF
18	Jessica Pater, Fayika Farhat Nova, Amanda Coupe, Lauren E. Reining, Connie Kerrigan, Tammy Toscos, Elizabeth D. Mynatt	Charting the Unknown: Challenges in the Clinical Assessment of Patients' Technology Use Related to Eating Disorders.	CHI	2021	DBLP DOI BibTeX RDF
18	Parham Kazemi, Tushara Ponnada, Hanan Al-Tous, Ying-Chang Liang, Olav Tirkkonen	Channel Charting Based Beam SNR Prediction.	EuCNC/6G Summit	2021	DBLP DOI BibTeX RDF
18	Brian Rappaport, Emre Gönültas, Jakob Hoydis, Maximilian Arnold, Pavan Koteshwar Srinath, Christoph Studer	Improving Channel Charting using a Split Triplet Loss and an Inertial Regularizer.	ISWCS	2021	DBLP DOI BibTeX RDF
18	Elia Turner, Kabir V. Dabholkar, Omri Barak	Charting and Navigating the Space of Solutions for Recurrent Neural Networks.	NeurIPS	2021	DBLP BibTeX RDF
18	Siiri Paananen, Mari Suoheimo, Jonna Häkkilä	Charting Experience Categories for Museum Exhibitions.	INTERACT (5)	2021	DBLP DOI BibTeX RDF
18	Xiang Zhi Tan, Michal Luria, Aaron Steinfeld, Jodi Forlizzi	Charting Sequential Person Transfers Between Devices, Agents, and Robots.	HRI	2021	DBLP DOI BibTeX RDF
18	Hassan Khosravi, Gianluca Demartini, Shazia W. Sadiq, Dragan Gasevic	Charting the Design and Analytics Agenda of Learnersourcing Systems.	LAK	2021	DBLP DOI BibTeX RDF
18	Romain Lopez	Charting Cellular States, One Cell at a Time: Computational, Inferential and Modeling Perspectives.		2021	RDF
18	Lubov Vorona-Slivinskaya, Dmitry Bokov, Olga Li	Visualization of Learning and Memorizing Processes Using Mobile Devices: Mind Mapping and Charting.	Int. J. Interact. Mob. Technol.	2020	DBLP DOI BibTeX RDF
18	Leonardo Nizzoli, Serena Tardelli, Marco Avvenuti, Stefano Cresci, Maurizio Tesconi, Emilio Ferrara	Charting the Landscape of Online Cryptocurrency Manipulation.	IEEE Access	2020	DBLP DOI BibTeX RDF
18	Mukund P. Gadre, Savita S. Venegurkar	'Alternated Charting Statistic Modified Group Runs' (ACS-MGR) control chart for monitoring mean vectors of bivariate and trivariate processes.	Qual. Reliab. Eng. Int.	2020	DBLP DOI BibTeX RDF
18	Wendong Li, Peihua Qiu	A general charting scheme for monitoring serially correlated data with short-memory dependence and nonparametric distributions.	IISE Trans.	2020	DBLP DOI BibTeX RDF
18	Hanan Al-Tous, Tushara Ponnada, Christoph Studer, Olav Tirkkonen	Multipoint channel charting-based radio resource management for V2V communications.	EURASIP J. Wirel. Commun. Netw.	2020	DBLP DOI BibTeX RDF
18	Feng Tian 0005, Dechang Yang, Yuqi Meng, Jinpu Jin, Ge Gao	PlantRegMap: charting functional regulatory maps in plants.	Nucleic Acids Res.	2020	DBLP DOI BibTeX RDF
18	Itai Gurvich, Kevin J. O'Leary, Lu Wang, Jan A. Van Mieghem	Collaboration, Interruptions, and Changeover Times: Workflow Model and Empirical Study of Hospitalist Charting.	Manuf. Serv. Oper. Manag.	2020	DBLP DOI BibTeX RDF
18	Rashidah Kasauli, Rebekka Wohlrab, Eric Knauss, Jan-Philipp Steghöfer, Jennifer Horkoff, Salome Maro	Charting Coordination Needs in Large-Scale Agile Organisationswith Boundary Objects and Methodological Islands.	CoRR	2020	DBLP BibTeX RDF
18	Paul Ferrand, Alexis Decurninge, Luis Garcia Ordóñez, Maxime Guillaud	Triplet-Based Wireless Channel Charting.	CoRR	2020	DBLP BibTeX RDF
18	Leonardo Nizzoli, Serena Tardelli, Marco Avvenuti, Stefano Cresci, Maurizio Tesconi, Emilio Ferrara	Charting the Landscape of Online Cryptocurrency Manipulation.	CoRR	2020	DBLP BibTeX RDF
18	Mohamed Boufarss	Charting the Open Access scholarly journals landscape in the UAE.	Scientometrics	2020	DBLP DOI BibTeX RDF
18	Muhammad Najam Dar, Muhammad Usman Akram, Sajid Gul Khawaja, Amit N. Pujari	CNN and LSTM-Based Emotion Charting Using Physiological Signals.	Sensors	2020	DBLP DOI BibTeX RDF
18	Roberto Campos Leoni, Antonio Fernando Branco Costa	A Shewhart chart with alternated charting statistic to control multivariate Poisson processes.	Comput. Ind. Eng.	2020	DBLP DOI BibTeX RDF
18	Kristina Niedderer, Dew Harrison, Julie Gosling, Michael P. Craven, Alethea Blackler, Raquel Losada, Teresa Cid	Working with Experts with Experience: Charting Co-production and Co-design in the Development of HCI-Based Design.	HCI and Design in the Context of Dementia	2020	DBLP DOI BibTeX RDF
18	Chihiro Namba, Pauline N. Kawamoto, Mitsuya Kosuda, Sora Otsuki	Development of a Health Charting Application using a Human Centered Design Approach.	LifeTech	2020	DBLP DOI BibTeX RDF
18	Sébastien Mosser 0001, Jean-Philippe Caissy, Florian Juroszek, Florian Vouters, Naouel Moha	Charting Microservices to Support Services' Developers: The Anaximander Approach.	ICSOC	2020	DBLP DOI BibTeX RDF
18	Jaakko Pihlajasalo, Mike Koivisto, Jukka Talvitie, Simo Ali-Löytty, Mikko Valkama	Absolute Positioning with Unsupervised Multipoint Channel Charting for 5G Networks.	VTC Fall	2020	DBLP DOI BibTeX RDF
18	Patrick Agostini, Zoran Utkovski, Slawomir Stanczak	Channel Charting: an Euclidean Distance Matrix Completion Perspective.	ICASSP	2020	DBLP DOI BibTeX RDF
18	Lucas Ribeiro, Markus Leinonen, Hamza Djelouat, Markku J. Juntti	Channel Charting for Pilot Reuse in mMTC with Spatially Correlated MIMO Channels.	GLOBECOM (Workshops)	2020	DBLP DOI BibTeX RDF
18	Paul Ferrand, Alexis Decurninge, Luis Garcia Ordóñez, Maxime Guillaud	Triplet-Based Wireless Channel Charting.	GLOBECOM	2020	DBLP DOI BibTeX RDF
18	Parham Kazemi, Hanan Al-Tous, Christoph Studer, Olav Tirkkonen	SNR Prediction in Cellular Systems based on Channel Charting.	COMNET	2020	DBLP DOI BibTeX RDF
18	Mia S. Shaw, Yasmin B. Kafai	Charting the Identity Turn in K-12 Computer Science Education: Developing More Inclusive Learning Pathways for Identities.	ICLS	2020	DBLP BibTeX RDF
18	Yifan Zhang, Brandon Bogard, Chengdui Zhang	Development of Natural Language Processing Algorithm for Dental Charting.	IRI	2020	DBLP DOI BibTeX RDF
18	Rashidah Kasauli, Rebekka Wohlrab, Eric Knauss, Jan-Philipp Steghöfer, Jennifer Horkoff, Salome Maro	Charting Coordination Needs in Large-Scale Agile Organisations with Boundary Objects and Methodological Islands.	ICSSP	2020	DBLP DOI BibTeX RDF
18	Puneet Mangla, Mayank Singh 0007, Abhishek Sinha, Nupur Kumari, Vineeth N. Balasubramanian, Balaji Krishnamurthy	Charting the Right Manifold: Manifold Mixup for Few-shot Learning.	WACV	2020	DBLP DOI BibTeX RDF
18	Achim Michel-Backofen, Dorothee Steinke, Christian Katzer, Florian Brenck, Andreas Böning	Generating Surveillance Data for Nosocomial Infections from Routine Charting in Intensive Care Units.	MIE	2020	DBLP DOI BibTeX RDF
18	Chunhua Geng, Howard Huang, Jack Langerman	Multipoint Channel Charting With Multiple-Input Multiple-Output Convolutional Autoencoder.	PLANS	2020	DBLP DOI BibTeX RDF
18	René Chénier, Khalid Omari, Ryan Ahola, Mesha Sagram	Charting Dynamic Areas in the Mackenzie River with RADARSAT-2, Simulated RADARSAT Constellation Mission and Optical Remote Sensing Data.	Remote. Sens.	2019	DBLP DOI BibTeX RDF
18	Felix Zhan 0001, Anthony Martinez, Nilab Rai, Richard Mcconnell, Matthew Swan, Moinak Bhaduri, Justin Zhan, Laxmi P. Gewali, Paul Y. Oh	Beyond Cumulative Sum Charting in Non-Stationarity Detection and Estimation.	IEEE Access	2019	DBLP DOI BibTeX RDF
18	Yair Zick, Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis	Cooperative games with overlapping coalitions: Charting the tractability frontier.	Artif. Intell.	2019	DBLP DOI BibTeX RDF
18	Seong Jae Min	From algorithmic disengagement to algorithmic activism: Charting social media users' responses to news filtering algorithms.	Telematics Informatics	2019	DBLP DOI BibTeX RDF
18	Puneet Mangla, Mayank Singh 0007, Abhishek Sinha, Nupur Kumari, Vineeth N. Balasubramanian, Balaji Krishnamurthy	Charting the Right Manifold: Manifold Mixup for Few-shot Learning.	CoRR	2019	DBLP BibTeX RDF
18	Julia Stoyanovich, Armanda Lewis	Teaching Responsible Data Science: Charting New Pedagogical Territory.	CoRR	2019	DBLP BibTeX RDF
18	Eric Lei, Oscar Castañeda, Olav Tirkkonen, Tom Goldstein, Christoph Studer	Siamese Neural Networks for Wireless Positioning and Channel Charting.	CoRR	2019	DBLP BibTeX RDF
18	Pengzhi Huang, Oscar Castañeda, Emre Gönültas, Saïd Medjkouh, Olav Tirkkonen, Tom Goldstein, Christoph Studer	Improving Channel Charting with Representation-Constrained Autoencoders.	CoRR	2019	DBLP BibTeX RDF
18	David A. Pendlebury	Charting a path between the simple and the false and the complex and unusable: Review of Henk F. Moed, Applied Evaluative Informetrics [in the series Qualitative and Quantitative Analysis of Scientific and Scholarly Communication, Wolfgang Glänzel, Andras Schubert (eds.)] - Cham, Switzerland: Springer International Publishing AG, 2017, US$ 50.	Scientometrics	2019	DBLP DOI BibTeX RDF
18	Ben Williamson	Policy networks, performance metrics and platform markets: Charting the expanding data infrastructure of higher education.	Br. J. Educ. Technol.	2019	DBLP DOI BibTeX RDF
18	Thomas M. Bury, Chris T. Bauch, Madhur Anand	Charting pathways to climate change mitigation in a coupled socio-climate model.	PLoS Comput. Biol.	2019	DBLP DOI BibTeX RDF
18	Qi Wang 0017, Pubali Datta, Wei Yang 0013, Si Liu 0003, Adam Bates 0001, Carl A. Gunter	Charting the Attack Surface of Trigger-Action IoT Platforms.	CCS	2019	DBLP DOI BibTeX RDF
18	Jing Xia, Fan Wang, Zhengwang Wu, Li Wang 0026, Yaping Wang, Caiming Zhang 0001, Weili Lin, Dinggang Shen, Gang Li 0001	Charting Development-Based Joint Parcellation Maps Of Human and Macaque Brains During Infancy.	ISBI	2019	DBLP DOI BibTeX RDF
18	Iván Paz Ortiz, Àngela Nebot, Enrique Romero, Francisco Mugica	Charting Perceptual Spaces with Fuzzy Rules.	FUZZ-IEEE	2019	DBLP DOI BibTeX RDF
18	Cristina Monsone, Ádám B. Csapó	Charting the State-of-the-Art in the Application of Convolutional Neural Networks to Quality Control in Industry 4.0 and Smart Manufacturing.	CogInfoCom	2019	DBLP DOI BibTeX RDF
18	Pengzhi Huang, Oscar Castañeda, Emre Gönültas, Saïd Medjkouh, Olav Tirkkonen, Tom Goldstein, Christoph Studer	Improving Channel Charting with Representation -Constrained Autoencoders.	SPAWC	2019	DBLP DOI BibTeX RDF
18	Preston Moore, Justin Cappos, Phyllis G. Frankl, Thomas Wies	Charting a Course Through Uncertain Environments: SEA Uses Past Problems to Avoid Future Failures.	ISSRE	2019	DBLP DOI BibTeX RDF
18	Tushara Ponnada, Hanan Al-Tous, Olav Tirkkonen, Christoph Studer	An Out-of-Sample Extension for Wireless Multipoint Channel Charting.	CrownCom	2019	DBLP DOI BibTeX RDF
18	Pedro Sanches 0001, Axel Janson, Pavel Karpashevich, Camille Nadal, Chengcheng Qu, Claudia Daudén Roquet, Muhammad Umair, Charles Windlin, Gavin J. Doherty, Kristina Höök, Corina Sas	HCI and Affective Health: Taking stock of a decade of studies and charting future research directions.	CHI	2019	DBLP DOI BibTeX RDF
18	Henning Pohl, Andreea Muresan, Kasper Hornbæk	Charting Subtle Interaction in the HCI Literature.	CHI	2019	DBLP DOI BibTeX RDF
18	Peter Shaw 0003, Mateusz Mikusz, Petteri Nurmi, Nigel Davies 0001	IoT Maps: Charting the Internet of Things.	HotMobile	2019	DBLP DOI BibTeX RDF
18	Eric Lei, Oscar Castañeda, Olav Tirkkonen, Tom Goldstein, Christoph Studer	Siamese Neural Networks for Wireless Positioning and Channel Charting.	Allerton	2019	DBLP DOI BibTeX RDF
18	Diego Sempreboni, Giampaolo Bella, Rosario Giustolisi, Luca Viganò 0001	What Are the Threats? (Charting the Threat Models of Security Ceremonies).	ICETE (2)	2019	DBLP DOI BibTeX RDF
18	Alen Rajsp, Gregor Jost, Viktor Taneski, Sasa Kuhar, Luka Pavlic	Approach to Selecting an Appropriate Javascript Charting Library for Graphically Rich Single Page Javascript Applications.	SQAMIA	2019	DBLP BibTeX RDF
18	Prodromos Tsinaslanidis	Subsequence dynamic time warping for charting: Bullish and bearish class predictions for NYSE stocks.	Expert Syst. Appl.	2018	DBLP DOI BibTeX RDF