Search results for "time-delays"

Hits ?▲	Authors	Title	Venue	Year	Link
12	Jorge D. Rios, Alma Y. Alanis, Carlos López-Franco, Nancy Arana-Daniel	RHONN identifier-control scheme for nonlinear discrete-time systems with unknown time-delays.	J. Frankl. Inst.	2018	DBLP DOI BibTeX RDF
12	Yuanyuan Zhang, Renfu Li, Xiaoming Huo	Stochastic consensus of discrete-time second-order multi-agent systems with measurement noises and time delays.	J. Frankl. Inst.	2018	DBLP DOI BibTeX RDF
12	Y. V. Venkatesh	New frequency-domain ℓ2-stability criteria for nonlinear MIMO discrete-time systems with constant and varying time delays.	Int. J. Syst. Sci.	2018	DBLP DOI BibTeX RDF
12	Yujia Zhao, Alireza Fatehi, Biao Huang 0001	Robust Estimation of ARX Models With Time Varying Time Delays Using Variational Bayesian Approach.	IEEE Trans. Cybern.	2018	DBLP DOI BibTeX RDF
12	Bin Liu 0003, David John Hill, Changfan Zhang, Zhijie Sun	Stabilization of Discrete-Time Dynamical Systems Under Event-Triggered Impulsive Control with and Without Time-Delays.	J. Syst. Sci. Complex.	2018	DBLP DOI BibTeX RDF
12	Ziye Zhang, Xiaoping Liu 0004, Donghua Zhou, Chong Lin, Jian Chen 0023, Haixia Wang 0002	Finite-Time Stabilizability and Instabilizability for Complex-Valued Memristive Neural Networks With Time Delays.	IEEE Trans. Syst. Man Cybern. Syst.	2018	DBLP DOI BibTeX RDF
12	Dongxue Peng, Xiaodi Li, Chaouki Aouiti, Foued Miaadi	Finite-time synchronization for Cohen-Grossberg neural networks with mixed time-delays.	Neurocomputing	2018	DBLP DOI BibTeX RDF
12	Huiyang Liu, Guangming Xie	Sampled-data based containment control of continuous-time multi-agent systems with switching topology and time-delays.	Neurocomputing	2018	DBLP DOI BibTeX RDF
12	Yiliu Jiang, Lianghao Ji, Qun Liu 0005, Shasha Yang, Xiaofeng Liao 0001	Couple-group consensus for discrete-time heterogeneous multiagent systems with cooperative-competitive interactions and time delays.	Neurocomputing	2018	DBLP DOI BibTeX RDF
12	Min Liu, Huaiqin Wu	Stochastic finite-time synchronization for discontinuous semi-Markovian switching neural networks with time delays and noise disturbance.	Neurocomputing	2018	DBLP DOI BibTeX RDF
12	Yajun Li, Feiqi Deng, Gai Li, Like Jiao	Robust \(H_\infty\) filtering for uncertain discrete-time stochastic neural networks with Markovian jump and mixed time-delays.	Int. J. Mach. Learn. Cybern.	2018	DBLP DOI BibTeX RDF
12	Ziye Zhang, Xiaoping Liu 0004, Chong Lin, Bing Chen 0001	Finite-Time Synchronization for Complex-Valued Recurrent Neural Networks with Time Delays.	Complex.	2018	DBLP DOI BibTeX RDF
12	Yanjun Ma, Seraphina Kwak, Lei Fan, Biao Huang 0001	A Variational Bayesian Approach to Modelling with Random Time-varying Time Delays.	ACC	2018	DBLP DOI BibTeX RDF
12	Tianyi Xiong, Zhiqiang Pu, Jianqiang Yi	Neural Network based Distributed Adaptive Time-varying Formation Control for Multi-UAV Systems with Varying Time Delays.	IJCNN	2018	DBLP DOI BibTeX RDF
12	Qi Li 0021, Bo Shen 0001, Yurong Liu, Tingwen Huang	Event-triggered H ∞ state estimation for discrete-time neural networks with mixed time delays and sensor saturations.	Neural Comput. Appl.	2017	DBLP DOI BibTeX RDF
12	Yujia Zhao, Alireza Fatehi, Biao Huang 0001	A Data-Driven Hybrid ARX and Markov Chain Modeling Approach to Process Identification With Time-Varying Time Delays.	IEEE Trans. Ind. Electron.	2017	DBLP DOI BibTeX RDF
12	Wei Zheng 0005, Hong-Bin Wang, Shuhuan Wen, Hong-Rui Wang, Zhi-Ming Zhang 0001	Memoryless Dynamic Output-Feedback Stabilization for Discrete-Time Closed-Loop Robot Systems With Nonlinear Uncertainties and Multiple Time-Delays.	IEEE Access	2017	DBLP DOI BibTeX RDF
12	Xiaohong Tian, Rui Xu 0003	Stability and Hopf Bifurcation of Time Fractional Cohen-Grossberg Neural Networks with Diffusion and Time Delays in Leakage Terms.	Neural Process. Lett.	2017	DBLP DOI BibTeX RDF
12	Xiaoshuai Ding, Jinde Cao, Xuan Zhao 0004, Fuad E. Alsaadi	Finite-time Stability of Fractional-order Complex-valued Neural Networks with Time Delays.	Neural Process. Lett.	2017	DBLP DOI BibTeX RDF
12	Weijian Ren, Chunlei Wang, Yang Lu 0003	Fault estimation for time-varying Markovian jump systems with randomly occurring nonlinearities and time delays.	J. Frankl. Inst.	2017	DBLP DOI BibTeX RDF
12	Mourad Kchaou, Ahmed El Hajjaji	Resilient H∞ sliding mode control for discrete-time descriptor fuzzy systems with multiple time delays.	Int. J. Syst. Sci.	2017	DBLP DOI BibTeX RDF
12	Di-Hua Zhai, Yuanqing Xia	Finite-Time Control of Teleoperation Systems With Input Saturation and Varying Time Delays.	IEEE Trans. Syst. Man Cybern. Syst.	2017	DBLP DOI BibTeX RDF
12	Jianying Xiao, Shouming Zhong, Yongtao Li, Fang Xu	Finite-time Mittag-Leffler synchronization of fractional-order memristive BAM neural networks with time delays.	Neurocomputing	2017	DBLP DOI BibTeX RDF
12	Jin Hu 0002, Chunna Zeng, Jun Tan	Boundedness and periodicity for linear threshold discrete-time quaternion-valued neural network with time-delays.	Neurocomputing	2017	DBLP DOI BibTeX RDF
12	Hui Zhao 0009, Lixiang Li 0001, Haipeng Peng, Jinghua Xiao, Yixian Yang, Mingwen Zheng	Finite-time topology identification and stochastic synchronization of complex network with multiple time delays.	Neurocomputing	2017	DBLP DOI BibTeX RDF
12	Xiao Peng 0003, Huaiqin Wu, Ka Song, Jiaxin Shi	Global synchronization in finite time for fractional-order neural networks with discontinuous activations and time delays.	Neural Networks	2017	DBLP DOI BibTeX RDF
12	Yan Liu, Ying Guo, Wenxue Li	The stability of stochastic coupled systems with time delays and time-varying coupling structure.	Appl. Math. Comput.	2016	DBLP DOI BibTeX RDF
12	Feng Xiao 0002, Tongwen Chen, Huijun Gao	Synchronous Hybrid Event- and Time-Driven Consensus in Multiagent Networks With Time Delays.	IEEE Trans. Cybern.	2016	DBLP DOI BibTeX RDF
12	Lei Zou 0003, Zidong Wang, Huijun Gao	Set-membership filtering for time-varying systems with mixed time-delays under Round-Robin and Weighted Try-Once-Discard protocols.	Autom.	2016	DBLP DOI BibTeX RDF
12	Han Fujun, Lei Gao, Hongyong Yang	Sampling control on collaborative flocking motion of discrete-time system with time-delays.	Neurocomputing	2016	DBLP DOI BibTeX RDF
12	Yuechao Ma, Nannan Ma	Finite-time H∞ synchronization for complex dynamical networks with mixed mode-dependent time delays.	Neurocomputing	2016	DBLP DOI BibTeX RDF
12	Jie Zhang 0034, Lifeng Ma, Yurong Liu	Passivity analysis for discrete-time neural networks with mixed time-delays and randomly occurring quantization effects.	Neurocomputing	2016	DBLP DOI BibTeX RDF
12	Xiaofeng Zong, Tao Li 0002, Ji-Feng Zhang	Consensus conditions of continuous-time multi-agent systems with time-delays and measurement noises.	CoRR	2016	DBLP BibTeX RDF
12	Hongjian Liu, Zidong Wang, Bo Shen 0001, Fuad E. Alsaadi	H∞ state estimation for discrete-time memristive recurrent neural networks with stochastic time-delays.	Int. J. Gen. Syst.	2016	DBLP DOI BibTeX RDF
12	G. Velmurugan, R. Rakkiyappan, Jinde Cao	Finite-time synchronization of fractional-order memristor-based neural networks with time delays.	Neural Networks	2016	DBLP DOI BibTeX RDF
12	Min Han 0001, Yamei Zhang	Finite-time topology identification function projective synchronization of Cohen-Grossberg neural networks with time delays and stochastic disturbance.	SMC	2016	DBLP DOI BibTeX RDF
12	Huaiqin Wu, Ruoxia Li, Xiaowei Zhang, Rong Yao	Adaptive Finite-Time Complete Periodic Synchronization of Memristive Neural Networks with Time Delays.	Neural Process. Lett.	2015	DBLP DOI BibTeX RDF
12	Xiwang Dong, Qingdong Li, Zhang Ren, Yisheng Zhong	Formation-containment control for high-order linear time-invariant multi-agent systems with time delays.	J. Frankl. Inst.	2015	DBLP DOI BibTeX RDF
12	Lei Zou 0003, Zidong Wang, Huijun Gao, Xiaohui Liu 0001	Event-Triggered State Estimation for Complex Networks With Mixed Time Delays via Sampled Data Information: The Continuous-Time Case.	IEEE Trans. Cybern.	2015	DBLP DOI BibTeX RDF
12	Quanxin Cheng, Jinde Cao	Synchronization of complex dynamical networks with discrete time delays on time scales.	Neurocomputing	2015	DBLP DOI BibTeX RDF
12	Yuechao Ma, Yuqing Zheng	Synchronization of continuous-time Markovian jumping singular complex networks with mixed mode-dependent time delays.	Neurocomputing	2015	DBLP DOI BibTeX RDF
12	Jun Song 0002, Shuping He	Finite-time robust passive control for a class of uncertain Lipschitz nonlinear systems with time-delays.	Neurocomputing	2015	DBLP DOI BibTeX RDF
12	Jian-Ning Li, Lin-Sheng Li	Mean-square exponential stability for stochastic discrete-time recurrent neural networks with mixed time delays.	Neurocomputing	2015	DBLP DOI BibTeX RDF
12	Woo-Seop Yun, Il-Chul Moon, Tae-Eog Lee	Agent-Based Simulation of Time to Decide: Military Commands and Time Delays.	J. Artif. Soc. Soc. Simul.	2015	DBLP DOI BibTeX RDF
12	Jin-Mun Jeong, Sang-Jin Son	Time Optimal Control of Semilinear Control Systems Involving Time Delays.	J. Optim. Theory Appl.	2015	DBLP DOI BibTeX RDF
12	Themistoklis Charalambous, Ye Yuan 0002, Tao Yang 0003, Wei Pan 0004, Christoforos N. Hadjicostis, Mikael Johansson 0001	Distributed Finite-Time Average Consensus in Digraphs in the Presence of Time Delays.	IEEE Trans. Control. Netw. Syst.	2015	DBLP DOI BibTeX RDF
12	Jin Hu 0002, Jun Wang 0002	Global exponential periodicity and stability of discrete-time complex-valued recurrent neural networks with time-delays.	Neural Networks	2015	DBLP DOI BibTeX RDF
12	Kaiyun Sun, Ancai Zhang, Jianlong Qiu, Xiangyong Chen, Chengdong Yang, Xiao Chen	Dynamic analysis of periodic solution for high-order discrete-time Cohen-Grossberg neural networks with time delays.	Neural Networks	2015	DBLP DOI BibTeX RDF
12	Nghia Thi Mai, Trang Due Vu, Siti Radziah, Kou Yamada, Hiroki Yamaguchi, Tatsuya Sakanushi, Mohamad Alias	A design method for modified smith predictors for multiple-input/multiple-output non-minimum-phase time-delay plants with feedback connected multiple time-delays.	ASCC	2015	DBLP DOI BibTeX RDF
12	Annika Eichler, Herbert Werner	Improved IQC description to analyze interconnected systems with time-varying time-delays.	ACC	2015	DBLP DOI BibTeX RDF
12	Jun Xu, Guoliang Zhang, Jing Zeng, Wenjun Tang	Consensus based second order discrete-time multi-agent systems formation control with time-delays.	ICIA	2015	DBLP DOI BibTeX RDF
12	Asma Karoui, Kaouther Ibn Taarit, Moufida Ksouri	Algebraic Identification Approach of Multiple Unknown Time-Delays of Continuous-Time Linear Systems.	AECIA	2015	DBLP DOI BibTeX RDF
12	Aziz Moukrim, Djamal Rebaine, Mehdi Serairi	A branch and bound algorithm for the two-machine flowshop problem with unit-time operations and time delays.	RAIRO Oper. Res.	2014	DBLP DOI BibTeX RDF
12	Bo Liu 0007, Housheng Su, Rong Li, Dehui Sun, Weina Hu	Switching controllability of discrete-time multi-agent systems with multiple leaders and time-delays.	Appl. Math. Comput.	2014	DBLP DOI BibTeX RDF
12	Shouwei Zhao, Zihou Zhang, Tianbo Wang, Weiqin Yu	Controllability for a class of time-varying controlled switching impulsive systems with time delays.	Appl. Math. Comput.	2014	DBLP DOI BibTeX RDF
12	L. Jarina Banu, Pagavathigounder Balasubramaniam	Synchronisation of discrete-time complex networks with randomly occurring uncertainties, nonlinearities and time-delays.	Int. J. Syst. Sci.	2014	DBLP DOI BibTeX RDF
12	Youmei Zhang, Qingling Zhang 0001, Tamaki Tanaka, Xing-Gang Yan 0001	Positivity of Continuous-Time Descriptor Systems With Time Delays.	IEEE Trans. Autom. Control.	2014	DBLP DOI BibTeX RDF
12	Zhe Gao	A computing method on stability intervals of time-delay for fractional-order retarded systems with commensurate time-delays.	Autom.	2014	DBLP DOI BibTeX RDF
12	Yingqi Zhang, Peng Shi 0001, Sing Kiong Nguang, Jianhua Zhang 0007, Hamid Reza Karimi	Finite-time boundedness for uncertain discrete neural networks with time-delays and Markovian jumps.	Neurocomputing	2014	DBLP DOI BibTeX RDF
12	Xiu Kan, Huisheng Shu, Zhenna Li	Robust state estimation for discrete-time neural networks with mixed time-delays, linear fractional uncertainties and successive packet dropouts.	Neurocomputing	2014	DBLP DOI BibTeX RDF
12	Xiongbo Wan, Li Xu 0004, Huajing Fang, Fang Yang	Robust stability analysis for discrete-time genetic regulatory networks with probabilistic time delays.	Neurocomputing	2014	DBLP DOI BibTeX RDF
12	Yiming Wu 0001, Xiongxiong He, Shuai Liu 0001, Lihua Xie	Consensus of discrete-time multi-agent systems with adversaries and time delays.	Int. J. Gen. Syst.	2014	DBLP DOI BibTeX RDF
12	Chongyang Liu, Ryan C. Loxton, Kok Lay Teo	Switching Time and Parameter Optimization in Nonlinear Switched Systems with Multiple Time-Delays.	J. Optim. Theory Appl.	2014	DBLP DOI BibTeX RDF
12	Xiwang Dong, Jianxiang Xi, Geng Lu, Yisheng Zhong	Formation Control for High-Order Linear Time-Invariant Multiagent Systems With Time Delays.	IEEE Trans. Control. Netw. Syst.	2014	DBLP DOI BibTeX RDF
12	Yingqi Zhang, Caixia Liu 0001, Hamid Reza Karimi	Comments on "Finite-Time H∞ Fuzzy Control of Nonlinear Jump Systems With Time Delays Via Dynamic Observer-Based State Feedback".	IEEE Trans. Fuzzy Syst.	2014	DBLP DOI BibTeX RDF
12	Frédéric Mazenc, Michael Malisoff	Stabilization of time-varying nonlinear systems with time delays using a trajectory based approach.	ACC	2014	DBLP DOI BibTeX RDF
12	Qinglai Wei, Ding Wang 0001, Dehua Zhang	Dual iterative adaptive dynamic programming for a class of discrete-time nonlinear systems with time-delays.	Neural Comput. Appl.	2013	DBLP DOI BibTeX RDF
12	Chao Liu 0026, Chuandong Li 0001, Tingwen Huang, Chaojie Li	Stability of Hopfield neural networks with time delays and variable-time impulses.	Neural Comput. Appl.	2013	DBLP DOI BibTeX RDF
12	Yang Wu, Heng Luo, Hongbin Zhang	Stability analysis of discrete-time fuzzy positive systems with time delays.	J. Intell. Fuzzy Syst.	2013	DBLP DOI BibTeX RDF
12	Xiaowu Mu, Yang Gao	Global input-to-state stabilization with quantized feedback for discrete-time piecewise affine systems with time delays.	J. Syst. Sci. Complex.	2013	DBLP DOI BibTeX RDF
12	Zhengguang Wu, Ju H. Park 0001	Synchronization of discrete-time neural networks with time delays subject to missing data.	Neurocomputing	2013	DBLP DOI BibTeX RDF
12	Zhenwu Shi, Fumin Zhang 0001	Predicting time-delays under real-time scheduling for linear model predictive control.	ICNC	2013	DBLP DOI BibTeX RDF
12	Yingqi Zhang, Peng Shi 0001, Sing Kiong Nguang, Hamid Reza Karimi	Observer-based finite-time control for discrete fuzzy jump nonlinear systems with time delays.	ACC	2013	DBLP DOI BibTeX RDF
12	Yingqi Zhang, Peng Shi 0001, Sing Kiong Nguang, Hamid Reza Karimi	Finite-time stabilization for discrete fuzzy jump nonlinear systems with time delays.	ACC	2013	DBLP DOI BibTeX RDF
12	Rajan S. Rashobh, Andy W. H. Khong	A multichannel time-domain subspace approach exploiting multiple time-delays for acoustic channel equalization.	ICASSP	2013	DBLP DOI BibTeX RDF
12	Annika Eichler, Christian Hoffmann 0002, Herbert Werner	Robust stability analysis of interconnected systems with uncertain time-varying time delays via IQCs.	CDC	2013	DBLP DOI BibTeX RDF
12	Andrea Boccia, Paola Falugi, Helmut Maurer, Richard B. Vinter	Free time optimal control problems with time delays.	CDC	2013	DBLP DOI BibTeX RDF
12	Hongbin Zhang 0002, Liangliang Zhang, Heng Luo, Yang Wu, Xiansheng Guo	Observer-Based Control of Discrete-Time Fuzzy Positive Systems with Time Delays.	ICONS	2013	DBLP DOI BibTeX RDF
12	Zbigniew Emirsajlow, Anna Krakowiak, Adam Kowalewski, Jan Sokolowski	Sensitivity analysis of time delay parabolic-hyperbolic optimal control problems with boundary conditions involving time delays.	MMAR	2013	DBLP DOI BibTeX RDF
12	Zhengguang Wu, Peng Shi 0001, Hongye Su, Jian Chu	Stability analysis for discrete-time Markovian jump neural networks with mixed time-delays.	Expert Syst. Appl.	2012	DBLP DOI BibTeX RDF
12	Hsun-Pang Wang, Xiaohui Gu, Linbo Xie, Leang-San Shieh, Jason Sheng-Hong Tsai, Yongpeng Zhang	Digital Controller Design for Analog Systems Represented by Multiple Input-Output Time-Delay Transfer Function Matrices with Long Time Delays.	Circuits Syst. Signal Process.	2012	DBLP DOI BibTeX RDF
12	Hongbin Zhang 0002, Hua Zhong, Chuangyin Dang, Xingwen Liu	Decentralised H ∞ filtering of interconnected discrete-time fuzzy systems with time delays.	Int. J. Syst. Sci.	2012	DBLP DOI BibTeX RDF
12	Yakun Su, Bing Chen 0001, Qi Zhou 0002, Chong Lin	Fuzzy robust H ∞ filter design for nonlinear discrete-time systems with interval time delays.	Int. J. Syst. Sci.	2012	DBLP DOI BibTeX RDF
12	Chung-Yao Kao	On Stability of Discrete-Time LTI Systems With Varying Time Delays.	IEEE Trans. Autom. Control.	2012	DBLP DOI BibTeX RDF
12	K. Mathiyalagan, Rathinasamy Sakthivel, Selvaraj Marshal Anthoni	New robust exponential stability results for discrete-time switched fuzzy neural networks with time delays.	Comput. Math. Appl.	2012	DBLP DOI BibTeX RDF
12	Shuping He, Fei Liu 0001	Finite-Time H∞ Fuzzy Control of Nonlinear Jump Systems With Time Delays Via Dynamic Observer-Based State Feedback.	IEEE Trans. Fuzzy Syst.	2012	DBLP DOI BibTeX RDF
12	Hugang Han, Taku Tanaka	A Time-Delay-Dependent Approach for a Class of T-S Fuzzy Models with Time Delays and Uncertainties.	J. Adv. Comput. Intell. Intell. Informatics	2012	DBLP DOI BibTeX RDF
12	Wenlian Lu, Fatihcan M. Atay, Jürgen Jost	Consensus and synchronization in discrete-time networks of multi-agents with stochastically switching topologies and time delays.	Networks Heterog. Media	2011	DBLP DOI BibTeX RDF
12	K. Ramakrishnan, G. Ray	Stability criterion with less LMI variables for linear discrete-time systems with additive time-delays.	Int. J. Autom. Comput.	2011	DBLP DOI BibTeX RDF
12	Meiqin Liu, Donglian Qi, Senlin Zhang, Meikang Qiu, Shiyou Zheng	Optimal H∞ fusion filters for a class of discrete-time intelligent systems with time delays and missing measurement.	Neurocomputing	2011	DBLP DOI BibTeX RDF
12	Yashun Zhang, Shengyuan Xu, Yun Zou, Jinjun Lu	Delay-dependent robust stabilization for uncertain discrete-time fuzzy Markovian jump systems with mode-dependent time delays.	Fuzzy Sets Syst.	2011	DBLP DOI BibTeX RDF
12		Robust Delay-Dependent Hinfty Control of Uncertain Time-Delay Systems With Mixed Neutral, Discrete, and Distributed Time-Delays and Markovian Switching Parameters.	IEEE Trans. Circuits Syst. I Regul. Pap.	2011	DBLP DOI BibTeX RDF
12	Huaguang Zhang, Ruizhuo Song, Qinglai Wei, Tieyan Zhang	Optimal Tracking Control for a Class of Nonlinear Discrete-Time Systems With Time Delays Based on Heuristic Dynamic Programming.	IEEE Trans. Neural Networks	2011	DBLP DOI BibTeX RDF
12	Zhengguang Wu, Peng Shi 0001, Hongye Su, Jian Chu	Passivity Analysis for Discrete-Time Stochastic Markovian Jump Neural Networks With Mixed Time Delays.	IEEE Trans. Neural Networks	2011	DBLP DOI BibTeX RDF
12	Djamal Rebaine	Scheduling flexible flowshops with unit-time operations and minimum time delays.	Electron. Notes Discret. Math.	2010	DBLP DOI BibTeX RDF
12	Hongjiu Yang, Yuanqing Xia, Jiqing Qiu, Jinhui Zhang	Filtering for a class of discrete-time systems with time-delays via delta operator approach.	Int. J. Syst. Sci.	2010	DBLP DOI BibTeX RDF
12	Ming Gao 0006, Li Sheng 0002, Baotong Cui	Robust stability of uncertain Markovian jump discrete-time recurrent neural networks with time delays.	Int. J. Syst. Sci.	2010	DBLP DOI BibTeX RDF
12	Hongyi Li 0001, Chuan Wang, Peng Shi 0001, Huijun Gao	New passivity results for uncertain discrete-time stochastic neural networks with mixed time delays.	Neurocomputing	2010	DBLP DOI BibTeX RDF
12	Alix Munier Kordon, Djamal Rebaine	The two-machine open-shop problem with unit-time operations and time delays to minimize the makespan.	Eur. J. Oper. Res.	2010	DBLP DOI BibTeX RDF
12	Zidong Wang, Yao Wang, Yurong Liu	Global synchronization for discrete-time stochastic complex networks with randomly occurred nonlinearities and mixed time delays.	IEEE Trans. Neural Networks	2010	DBLP DOI BibTeX RDF