Search results for "actuator"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
17	Gregorio Boccalero, Corrado Boragno, Daniele D. Caviglia, Remy Morasso	FLEHAP: A Wind Powered Supply for Autonomous Sensor Nodes.	J. Sens. Actuator Networks	2016	DBLP DOI BibTeX RDF
17	David Tung Chong Wong, Qian Chen 0005, Francois P. S. Chin	Directional Medium Access Control (MAC) Protocols in Wireless Ad Hoc and Sensor Networks: A Survey.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Melanie Swan	Connected Car: Quantified Self becomes Quantified Car.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Michael Niedermeier, Xiaobing He, Hermann de Meer, Carsten Buschmann, Klaus Hartmann, Benjamin Langmann, Michael Koch 0007, Stefan Fischer 0001, Dennis Pfisterer	Critical Infrastructure Surveillance Using SecureWireless Sensor Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Wen-Chan Shih, Raja Jurdak, David Abbott, Pai H. Chou, Wen-Tsuen Chen	A Long-Range Directional Wake-Up Radio for Wireless Mobile Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Meysam Argany, Mir Abolfazl Mostafavi, Christian Gagné 0001	Context-Aware Local Optimization of Sensor Network Deployment.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Khaja Mohammad Shazzad, Kemal Ertugrul Tepe, Esam Abdel-Raheem	Multi-Hop-Enabled Energy-Efficient MAC Protocol for Underwater Acoustic Sensor Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Reza Rawassizadeh, Elaheh Momeni, Chelsea Dobbins, Pejman Mirza-Babaei, Ramin Rahnamoun	Lesson Learned from Collecting Quantified Self Information via Mobile and Wearable Devices.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Muthoni Masinde, Antoine B. Bagula	A Calibration Report for Wireless Sensor-Based Weatherboards.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Narasimha K. Shashidhar, Chadi Kari, Rakesh M. Verma	The Efficacy of Epidemic Algorithms on Detecting Node Replicas in Wireless Sensor Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Ismail Mansour, Gérard Chalhoub, Pascal Lafourcade 0001	Key Management inWireless Sensor Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Daniel K. Fisher	Radio/Antenna Mounting System for Wireless Networking under Row-Crop Agriculture Conditions.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Mohammad Monirujjaman Khan, Qammer H. Abbasi, Ratil Hasnat Ashique	Comprehensive Design and Propagation Study of a Compact Dual Band Antenna for Healthcare Applications.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Asimina Kiourti, John L. Volakis	Colorful Textile Antennas Integrated into Embroidered Logos.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Hadi Aliakbarpour, V. B. Surya Prasath, Jorge Dias 0001	On Optimal Multi-Sensor Network Configuration for 3D Registration.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Sivaramakrishnan Sivakumar, Adnan Al-Anbuky	Dense Clustered Multi-Channel Wireless Sensor Cloud.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Debraj Basu 0002, Gourab Sen Gupta, Giovanni S. Moretti, Xiang Gui	Performance Comparison of a Novel Adaptive Protocol with the Fixed Power Transmission in Wireless Sensor Networks.	J. Sens. Actuator Networks	2015	DBLP DOI BibTeX RDF
17	Marta Niccolini, Lorenzo Pollini, Mario Innocenti	Cooperative Control for Multiple Autonomous Vehicles Using Descriptor Functions.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Carrick Detweiler, Sreeja Banerjee, Marek Doniec, Mingshun Jiang, Francesco Peri, Robert F. Chen, Daniela Rus	Adaptive Decentralized Control of Mobile Underwater Sensor Networks and Robots for Modeling Underwater Phenomena.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Htoo Aung Maw, Hannan Xiao, Bruce Christianson, James A. Malcolm	A Survey of Access Control Models in Wireless Sensor Networks.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Sergio Orts-Escolano, José García Rodríguez 0001, Vicente Morell, Miguel Cazorla, Jorge Azorín López, Juan Manuel García Chamizo	Parallel Computational Intelligence-Based Multi-Camera Surveillance System.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Miguel Navarro, Tyler W. Davis, German Villalba, Yimei Li, Xiaoyang Zhong, Newlyn Erratt, Xu Liang, Yao Liang	Towards Long-Term Multi-Hop WSN Deployments for Environmental Monitoring: An Experimental Network Evaluation.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Ali M. Sadeghioon, Nicole Metje, David N. Chapman, Carl J. Anthony	SmartPipes: Smart Wireless Sensor Networks for Leak Detection in Water Pipelines.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Dennis Sundman, Saikat Chatterjee, Mikael Skoglund	Methods for Distributed Compressed Sensing.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Mee-Loong Yang, Adnan Al-Anbuky, William Liu	An Authenticated Key Agreement Scheme for Wireless Sensor Networks.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Damian Rusinek, Bogdan Ksiezopolski	On the Effect of Security and Communication Factors in the Reliability of Wireless Sensor Networks.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Ismail Mansour, Gérard Chalhoub, Pascal Lafourcade 0001	Evaluation of Secure Multi-Hop Node Authentication and Key Establishment Mechanisms for Wireless Sensor Networks.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Sebastian Bader 0002, Xinyu Ma, Bengt Oelmann	On the Modeling of Solar-Powered Wireless Sensor Nodes.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Jin Wang, Teck Yoong Chai, Lawrence Wai-Choong Wong	Towards a Fair and Efficient Packet Scheduling Scheme in Inter-Flow Network Coding.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Haitao Bao, Wai-Choong Wong	A Novel Map-Based Dead-Reckoning Algorithm for Indoor Localization.	J. Sens. Actuator Networks	2014	DBLP DOI BibTeX RDF
17	Konstantin Mikhaylov, Nikolaos Plevritakis, Jouni Tervonen	Performance Analysis and Comparison of Bluetooth Low Energy with IEEE 802.15.4 and SimpliciTI.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Dayan A. Guimarães, Carlos Rafael Nogueira da Silva, Rausley Adriano Amaral de Souza	Cooperative Spectrum Sensing Using Eigenvalue Fusion for OFDMA and Other Wideband Signals.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Alessandro Ludovici, Pol Moreno, Anna Calveras	TinyCoAP: A Novel Constrained Application Protocol (CoAP) Implementation for Embedding RESTful Web Services in Wireless Sensor Networks Based on TinyOS.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Quazi Mamun	Design Issues in Constructing Chain Oriented Logical Topology for Wireless Sensor Networks and a Solution.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Rahul Kavi, Vinod Kulathumani	Real-Time Recognition of Action Sequences Using a Distributed Video Sensor Network.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	David L. Gobbett, Rebecca N. Handcock, Andre Zerger, Christopher Crossman, Philip Valencia, Tim Wark, Micah Davies	Prototyping an Operational System with Multiple Sensors for Pasture Monitoring.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Yang Liu 0049, Boon-Chong Seet, Adnan Al-Anbuky	An Ontology-Based Context Model for Wireless Sensor Network (WSN) Management in the Internet of Things.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Manish Kushwaha, Xenofon D. Koutsoukos	Collaborative 3D Target Tracking in Distributed Smart Camera Networks for Wide-Area Surveillance.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Ridha Soua, Erwan Livolant, Pascale Minet	An Adaptive Strategy for an Optimized Collision-Free Slot Assignment in Multichannel Wireless Sensor Networks.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Markus Anwander, Torsten Braun, Philipp Hurni, Thomas Staub, Gerald Wagenknecht	User and Machine Authentication and Authorization Infrastructure for Distributed Wireless Sensor Network Testbeds.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Maria-Alexandra Paun, Jean-Michel Sallese, Maher Kayal	Hall Effect Sensors Design, Integration and Behavior Analysis.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Anup Kumar Paul, Takuro Sato	Detour Path Angular Information Based Range-Free Localization in Wireless Sensor Network.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Sándor Szilvási, Benjámin Babják, Péter Völgyesi, Ákos Lédeczi	Marmote SDR: Experimental Platform for Low-Power Wireless Protocol Stack Research.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Nanhao Zhu, Ian O'Connor	iMASKO: A Genetic Algorithm Based Optimization Framework for Wireless Sensor Networks.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Dayan A. Guimarães, Rausley Adriano Amaral de Souza, André Noll Barreto	Performance of Cooperative Eigenvalue Spectrum Sensing with a Realistic Receiver Model under Impulsive Noise.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Peng Du, George Roussos	Adaptive Communication Techniques for the Internet of Things.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Hongning Dai, Kam-Wing Ng, Min-You Wu	Channel Allocation in Wireless Networks with Directional Antennas.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Sung Yul Lim, Yoon-Hwa Choi	Malicious Node Detection Using a Dual Threshold in Wireless Sensor Networks.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Richard Mietz, Sven Groppe, Kay Römer, Dennis Pfisterer	Semantic Models for Scalable Search in the Internet of Things.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Isam Ishaq, David Carels, Girum Teklemariam, Jeroen Hoebeke, Floris Van Den Abeele, Eli De Poorter, Ingrid Moerman, Piet Demeester	IETF Standardization in the Field of the Internet of Things (IoT): A Survey.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Stephen Brown 0001, Cormac J. Sreenan	Software Updating in Wireless Sensor Networks: A Survey and Lacunae.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Yueran Gao, Haibo Wang 0005, Ning Weng, Lucas Vespa	Enhancing Sensor Network Data Quality via Collaborated Circuit and Network Operations.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Stevan Berber, Nuo Chen	Physical Layer Design in Wireless Sensor Networks for Fading Mitigation.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Girts Strazdins, Atis Elsts, Krisjanis Nesenbergs, Leo Selavo	Wireless Sensor Network Operating System Design Rules Based on Real-World Deployment Survey.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Omar Asad, Melike Erol-Kantarci, Hussein T. Mouftah	A Survey of Sensor Web Services for the Smart Grid.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal	Energy-Efficient Packet Relaying in Wireless Image Sensor Networks Exploiting the Sensing Relevancies of Source Nodes and DWT Coding.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Gaultier Real, Pierre-Philippe J. Beaujean, Pierre-Jean Bouvet	MIMO Underwater Acoustic Communications in Ports and Shallow Waters at Very High Frequency.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Georgios Maniatis, Trevor Hoey, Joseph S. Sventek	Sensor Enclosures: Example Application and Implications for Data Coherence.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Tomás M. Fernández-Steeger, Matteo Ceriotti 0001, Jó Ágila Bitsch Link, Matthias May, Klaus Hentschel, Klaus Wehrle	"And Then, the Weekend Started": Story of a WSN Deployment on a Construction Site.	J. Sens. Actuator Networks	2013	DBLP DOI BibTeX RDF
17	Raja Jurdak, Branislav Kusy, Alban Cotillon	Group-based Motion Detection for Energy-Efficient Localisation.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Jun Zheng 0003, Asghar Dehghani	Range-Free Localization in Wireless Sensor Networks with Neural Network Ensembles.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Gaige Wang, Lihong Guo, Hong Duan, Luo Liu, Heqi Wang	Dynamic Deployment of Wireless Sensor Networks by Biogeography Based Optimization Algorithm.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Md. Arifuzzaman, Mitsuji Matsumoto	An Efficient Medium Access Control Protocol with Parallel Transmission for Wireless Sensor Networks.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Pouria Zand, Supriyo Chatterjea, Kallol Das, Paul J. M. Havinga	Wireless Industrial Monitoring and Control Networks: The Journey So Far and the Road Ahead.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Yung-Shun Huang, Min Shih, Yio-Wha Shau, William T. Lin	A Distributed Continua AHD System with ZigBee/PAN-IF Gateway and Continua QoS Control Mechanism.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Khandakar Ahmed, Mark A. Gregory	Techniques and Challenges of Data Centric Storage Scheme in Wireless Sensor Network.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Daniel N. Nkwogu, Alastair R. Allen	Adaptive Sampling for WSAN Control Applications Using Artificial Neural Networks.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Melanie Swan	Sensor Mania! The Internet of Things, Wearable Computing, Objective Metrics, and the Quantified Self 2.0.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Thomas Kunz, Benjamin Tatham	Localization in Wireless Sensor Networks and Anchor Placement.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Daniel G. Costa, Luiz Affonso Guedes	A Discrete Wavelet Transform (DWT)-Based Energy-Efficient Selective Retransmission Mechanism for Wireless Image Sensor Networks.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Kun Qian, Jianguo Wang 0003, Nilesh S. Gopaul, Baoxin Hu	Low Cost Multisensor Kinematic Positioning and Navigation System with Linux/RTAI.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Giuseppe Colistra, Luigi Atzori	Estimation of Physical Layer Performance in WSNs Exploiting the Method of Indirect Observations.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
17	Jun-Won Ho	Sequential Hypothesis Testing Based Approach for Replica Cluster Detection in Wireless Sensor Networks.	J. Sens. Actuator Networks	2012	DBLP DOI BibTeX RDF
16	Matthew Canton	The presence table: a reactive surface for ambient connection.	TEI	2011	DBLP DOI BibTeX RDF
16	Haiping Du, Nong Zhang	Fuzzy Control for Nonlinear Uncertain Electrohydraulic Active Suspensions With Input Constraint.	IEEE Trans. Fuzzy Syst.	2009	DBLP DOI BibTeX RDF
16	Devin Neal, H. Harry Asada	Nonlinear, large-strain PZT actuators using controlled structural buckling.	ICRA	2009	DBLP DOI BibTeX RDF
16	Hiroshi Kaminaga, Junya Ono, Yusuke Nakashima, Yoshihiko Nakamura	Development of backdrivable hydraulic joint mechanism for knee joint of humanoid robots.	ICRA	2009	DBLP DOI BibTeX RDF
16	Filippo Arrichiello, Stefano Chiaverini, Paola Pedone, Alessandro Antonio Zizzari, Giovanni Indiveri	The Null-Space based Behavioral control for non-holonomic mobile robots with actuators velocity saturation.	ICRA	2009	DBLP DOI BibTeX RDF
16	Jody Alessandro Saglia, Nikolaos G. Tsagarakis, Jian S. Dai, Darwin G. Caldwell	A high performance 2-dof over-actuated parallel mechanism for ankle rehabilitation.	ICRA	2009	DBLP DOI BibTeX RDF
16	Suguru Sakai, Chunquan Xu, Aiguo Ming, Makoto Shimojo	Motion planning for a high-speed manipulator with mechanical joint stops based on target dynamics and PCH system.	IROS	2009	DBLP DOI BibTeX RDF
16	Qiquan Quan, Shugen Ma	A modular crawler-driven robot: Mechanical design and preliminary experiments.	IROS	2009	DBLP DOI BibTeX RDF
16	Yousheng Yang, Claudio Semini, Nikolaos G. Tsagarakis, Emanuele Guglielmino, Darwin G. Caldwell	Leg mechanisms for hydraulically actuated robots.	IROS	2009	DBLP DOI BibTeX RDF
16	Matteo Laffranchi, Nikolaos G. Tsagarakis, Darwin G. Caldwell	Safe human robot interaction via energy regulation control.	IROS	2009	DBLP DOI BibTeX RDF
16	Thomas Wich, Christian Stolle, Christoph Edeler, Sergej Fatikow	Parasitic effects on nanoassembly processes.	IROS	2009	DBLP DOI BibTeX RDF
16	Teemu Tuomas Ahmaniemi, Vuokko Lantz	Augmented reality target finding based on tactile cues.	ICMI	2009	DBLP DOI BibTeX RDF	augmented reality, haptics, Fitts' Law, pointing
16	Chung-Hsien Kuo, Kuo-Wei Chiou	Tendon Based Full Size Biped Humanoid Robot Walking Platform Design.	FIRA	2009	DBLP DOI BibTeX RDF	tendon driven mechanism, gait planning, biped humanoid robots, embedded controller
16	Patrick Amstutz, Nikolaus Correll, Alcherio Martinoli	Distributed boundary coverage with a team of networked miniature robots using a robust market-based algorithm.	Ann. Math. Artif. Intell.	2008	DBLP DOI BibTeX RDF	Mathematics Subject Classifications (2000) 68T40, 93C65, 68T37, 68W15
16	Vipul Mehta, Sean Brennan 0001, Farhan Gandhi	Experimentally Verified Optimal Serpentine Gait and Hyperredundancy of a Rigid-Link Snake Robot.	IEEE Trans. Robotics	2008	DBLP DOI BibTeX RDF
16	Sung Jin Yoo, Jin Bae Park, Yoon Ho Choi	Adaptive Output Feedback Control of Flexible-Joint Robots Using Neural Networks: Dynamic Surface Design Approach.	IEEE Trans. Neural Networks	2008	DBLP DOI BibTeX RDF
16	Murad Abu-Khalaf, Frank L. Lewis, Jie Huang 0001	Neurodynamic Programmingand Zero-Sum Games for Constrained Control Systems.	IEEE Trans. Neural Networks	2008	DBLP DOI BibTeX RDF
16	Nicholas Cherouvim, Evangelos Papadopoulos	Speed and height control for a special class of running quadruped robots.	ICRA	2008	DBLP DOI BibTeX RDF
16	Kyu-Jin Cho, Elliot Wright Hawkes, Chris Quinn, Robert J. Wood	Design, fabrication and analysis of a body-caudal fin propulsion system for a microrobotic fish.	ICRA	2008	DBLP DOI BibTeX RDF
16	Christoph Edeler	Simulation and experimental evaluation of laser-structured actuators for a mobile microrobot.	ICRA	2008	DBLP DOI BibTeX RDF
16	Vivek Sangwan, Helge Kuebler, Sunil Kumar Agrawal	Differentially flat design of under-actuated planar robots: Experimental results.	ICRA	2008	DBLP DOI BibTeX RDF
16	Jun Ueda, Thomas W. Secord, H. Harry Asada	Static lumped parameter model for nested PZT cellular actuators with exponential strain amplification mechanisms.	ICRA	2008	DBLP DOI BibTeX RDF
16	Masashi Konyo, Yohei Motoki, Hiroshi Yamada, Satoshi Tadokoro, Takashi Maeno	Producing distributed vibration by a single piezoelectric ceramics for a small tactile stimulator.	IROS	2008	DBLP DOI BibTeX RDF
16	Mitsunori Uemura, Sadao Kawamura	An energy saving control method of robot motions based on adaptive stiffness optimization - cases of multi-frequency components -.	IROS	2008	DBLP DOI BibTeX RDF
16	Gregory Dubus, Olivier David 0002, Yvan Measson, Jean-Pierre Friconneau, Jim Palmer	Making hydraulic manipulators cleaner and safer: From oil to demineralized water hydraulics.	IROS	2008	DBLP DOI BibTeX RDF
16	Takaaki Osada, Kentaro Takagi, Yoshikazu Hayakawa, Zhi Wei Luo, Kinji Asaka	State space modeling of ionic polymer-metal composite actuators based on electrostress diffusion coupling theory.	IROS	2008	DBLP DOI BibTeX RDF
16	Pieter De Mil, Tim Allemeersch, Ingrid Moerman, Piet Demeester, Wim De Kimpe	A Scalable Low-Power WSAN Solution for Large-Scale Building Automation.	ICC	2008	DBLP DOI BibTeX RDF