Search results for "moments"

Hits ?▲	Authors	Title	Venue	Year	Link
11	Leipo Liu, Yifan Di, Yilin Shang, Zhumu Fu, Bo Fan 0006	Guaranteed Cost and Finite-Time Non-fragile Control of Fractional-Order Positive Switched Systems with Asynchronous Switching and Impulsive Moments.	Circuits Syst. Signal Process.	2021	DBLP DOI BibTeX RDF
11	Hicham Karmouni, Mohamed Yamni, Omar El Ogri, Achraf Daoui, Mhamed Sayyouri, Hassan Qjidaa, Ahmed Tahiri, Mustapha Maaroufi, Badreeddine Alami	Fast Computation of 3D Discrete Invariant Moments Based on 3D Cuboid for 3D Image Classification.	Circuits Syst. Signal Process.	2021	DBLP DOI BibTeX RDF
11	Amal Hjouji, Rachid Chakid, Jaouad EL-Mekkaoui, Hassan Qjidaa	Adapted Jacobi Orthogonal Invariant Moments for Image Representation and Recognition.	Circuits Syst. Signal Process.	2021	DBLP DOI BibTeX RDF
11	Roy Cerqueti, Massimiliano Giacalone, Raffaele Mattera	Model-based fuzzy time series clustering of conditional higher moments.	Int. J. Approx. Reason.	2021	DBLP DOI BibTeX RDF
11	Rahmawati Erma Standsyah, Bambang Widjanarko Otok, Agus Suharsono	Fixed Effect Meta-Analytic Structural Equation Modeling (MASEM) Estimation Using Generalized Method of Moments (GMM).	Symmetry	2021	DBLP DOI BibTeX RDF
11	Shufang Song, Lu Wang 0016	A Novel Global Sensitivity Measure Based on Probability Weighted Moments.	Symmetry	2021	DBLP DOI BibTeX RDF
11	Zinoviy Landsman, Tomer Shushi	Multivariate Tail Moments for Log-Elliptical Dependence Structures as Measures of Risks.	Symmetry	2021	DBLP DOI BibTeX RDF
11	Sergio Galeani, Corrado Possieri, Mario Sassano	Steady-state, harmonic response and moments of linear systems with periodic jumps.	Eur. J. Control	2021	DBLP DOI BibTeX RDF
11	Mohamed Yamni, Hicham Karmouni, Mhamed Sayyouri, Hassan Qjidaa	Image watermarking using separable fractional moments of Charlier-Meixner.	J. Frankl. Inst.	2021	DBLP DOI BibTeX RDF
11	Alexandre Rege	The Vlasov-Poisson System with a Uniform Magnetic Field: Propagation of Moments and Regularity.	SIAM J. Math. Anal.	2021	DBLP DOI BibTeX RDF
11	Yasasvy Tadepalli, Meenakshi Kollati, Swaraja Kuraparthi, Padmavathi Kora, Anil Kumar Budati, Lakshmi Kala Pampana	Content-based image retrieval using Gaussian-Hermite moments and firefly and grey wolf optimization.	CAAI Trans. Intell. Technol.	2021	DBLP DOI BibTeX RDF
11	Yan Chen, Ward Whitt	Extremal GI/GI/1 queues given two moments: exploiting Tchebycheff systems.	Queueing Syst. Theory Appl.	2021	DBLP DOI BibTeX RDF
11	Bashar Tahir, Stefan Schwarz, Markus Rupp	Analysis of Uplink IRS-Assisted NOMA Under Nakagami-m Fading via Moments Matching.	IEEE Wirel. Commun. Lett.	2021	DBLP DOI BibTeX RDF
11	Rodrigo Dalvit Carvalho da Silva, Thomas Richard Jenkyn	Classification of Mammogram Abnormalities Using Legendre Moments.	Int. J. Image Graph.	2021	DBLP DOI BibTeX RDF
11	Nicolás Faedo, Giordano Scarciotti, Alessandro Astolfi, John V. Ringwood	On the Approximation of Moments for Nonlinear Systems.	IEEE Trans. Autom. Control.	2021	DBLP DOI BibTeX RDF
11	Ningning Cheng, Youngsok Bang	A Comment on the Practice of the Arellano-Bond/Blundell-Bond Generalized Method of Moments Estimator in IS Research.	Commun. Assoc. Inf. Syst.	2021	DBLP DOI BibTeX RDF
11	Zengjun Zhao, Xinkai Kuang, Yukuan Zhu, Yecheng Liang, Yubo Xuan	Combined kernel for fast GPU computation of Zernike moments.	J. Real Time Image Process.	2021	DBLP DOI BibTeX RDF
11	Martin Wiegand, Saralees Nadarajah	General moments of roundoff error.	Commun. Stat. Simul. Comput.	2021	DBLP DOI BibTeX RDF
11	Kexuan Li, Aleksey S. Polunchenko, Andrey Pepelyshev	Analytic evaluation of the fractional moments for the quasi-stationary distribution of the Shiryaev martingale on an interval.	Commun. Stat. Simul. Comput.	2021	DBLP DOI BibTeX RDF
11	Brian A. Freno, Neil R. Matula, William A. Johnson	Manufactured solutions for the method-of-moments implementation of the electric-field integral equation.	J. Comput. Phys.	2021	DBLP DOI BibTeX RDF
11	Maxim Van Cappellen, Maria Rosaria Vetrano, Delphine Laboureur	Higher order hyperbolic quadrature method of moments for solving kinetic equations.	J. Comput. Phys.	2021	DBLP DOI BibTeX RDF
11	Ajay Indian, Karamjit Bhatia	An Approach to Recognize Handwritten Hindi Characters Using Substantial Zernike Moments With Genetic Algorithm.	Int. J. Comput. Vis. Image Process.	2021	DBLP DOI BibTeX RDF
11	Hong-Fa Cheng, Kun Zhang 0036	Non-nested estimators for the central moments of a conditional expectation and their convergence properties.	Oper. Res. Lett.	2021	DBLP DOI BibTeX RDF
11	Tatsuaki Kimura, Hiroyuki Masuyama	A heavy-traffic-limit formula for the moments of the stationary distribution in GI/G/1-type Markov chains.	Oper. Res. Lett.	2021	DBLP DOI BibTeX RDF
11	Lu Tang 0001, Chuangeng Tian, Yankai Meng, Kai Xu	Longitudinal evaluation for COVID-19 chest CT disease progression based on Tchebichef moments.	Int. J. Imaging Syst. Technol.	2021	DBLP DOI BibTeX RDF
11	Mitali Bafna, Max Hopkins, Tali Kaufman, Shachar Lovett	Hypercontractivity on High Dimensional Expanders: a Local-to-Global Approach for Higher Moments.	Electron. Colloquium Comput. Complex.	2021	DBLP BibTeX RDF
11	Camilo Guillén, Nelson Chávez, Jesús Bacallao	Radar detection in the moments space with constant false alarm rate.	Digit. Signal Process.	2021	DBLP DOI BibTeX RDF
11	Mohamed Yamni, Hicham Karmouni, Mhamed Sayyouri, Hassan Qjidaa, Jan Flusser	Novel Octonion Moments for color stereo image analysis.	Digit. Signal Process.	2021	DBLP DOI BibTeX RDF
11	Olga Florea, Jeremy Gonin, Hervé Tissot Dupont, Jean-Charles Dufour, Philippe Brouqui, Sophia Boudjema	Internet of Things to Explore Moment 2 of "WHO My Five Moments" for Hand Hygiene.	Frontiers Digit. Health	2021	DBLP DOI BibTeX RDF
11	Hamid Amiri Ara, Mohammad Reza Zahabi, Ataollah Ebrahimzadeh	Blind Digital Modulation Identification Using an Efficient Method-of-Moments Estimator.	Wirel. Pers. Commun.	2021	DBLP DOI BibTeX RDF
11	Boujemâa Achchab, Abdeljalil Sakat, Ali Souissi	Explicit error estimates in a method of moments for recovering boundary data.	Int. J. Math. Model. Numer. Optimisation	2021	DBLP DOI BibTeX RDF
11	Lun Wang, Dawn Song	Differentially Private Frequency Moments Estimation with Polylogarithmic Space.	CoRR	2021	DBLP BibTeX RDF
11	Yuta Sakurai, Yutaka Hori	Interval Analysis of Worst-case Stationary Moments for Stochastic Chemical Reactions with Uncertain Parameters.	CoRR	2021	DBLP BibTeX RDF
11	Rodney O. Fox, Frédérique Laurent	Hyperbolic quadrature method of moments for the one-dimensional kinetic equation.	CoRR	2021	DBLP BibTeX RDF
11	Wael Alghamdi, Flávio P. Calmon	Measuring Information from Moments.	CoRR	2021	DBLP BibTeX RDF
11	Akira Imakura, Keiichi Morikuni, Akitoshi Takayasu	Verified eigenvalue and eigenvector computations using complex moments and the Rayleigh-Ritz procedure for generalized Hermitian eigenvalue problems.	CoRR	2021	DBLP BibTeX RDF
11	Aleksandr E. Maksimov, Sergei P. Kuksenko	Effective calculation of the causal capacitance matrix of a multiconductor transmission line in the range of parameters by the method of moments.	CoRR	2021	DBLP BibTeX RDF
11	Basheera M. Mahmmod, Sadiq H. Abdulhussain, Tomás Suk, Abir Hussain	Fast Computation of Hahn Polynomials for High Order Moments.	CoRR	2021	DBLP BibTeX RDF
11	Flemming Holtorf, Paul I. Barton	Tighter bounds on transient moments of stochastic chemical systems.	CoRR	2021	DBLP BibTeX RDF
11	Anqi Liu, Hao Liu, Tongxin Li, Saeed Karimi-Bidhendi, Yisong Yue, Anima Anandkumar	Disentangling Observed Causal Effects from Latent Confounders using Method of Moments.	CoRR	2021	DBLP BibTeX RDF
11	Rangarirai Matavire, Jørn Braa, Shorai Huwa, Lameck Munangaidzwa, Zeferino Saugene, Isaac Taramusi, Bob Jolliffe	Moments in the Production of Space: Developing a Generic Adolescent Girls and Young Women Health Information Systems in Zimbabwe.	CoRR	2021	DBLP BibTeX RDF
11	David P. Woodruff, Samson Zhou	Separations for Estimating Large Frequency Moments on Data Streams.	CoRR	2021	DBLP BibTeX RDF
11	Jiaming Qi, Guangfu Ma, Jihong Zhu 0002, Peng Zhou, Yueyong Lyu, Haibo Zhang, David Navarro-Alarcon	Contour Moments Based Manipulation of Composite Rigid-Deformable Objects with Finite Time Model Estimation and Shape/Position Control.	CoRR	2021	DBLP BibTeX RDF
11	Shi-Hao Li, Lu Wei 0001	Moments of quantum purity and biorthogonal polynomial recurrence.	CoRR	2021	DBLP BibTeX RDF
11	Jie Lei 0003, Tamara L. Berg, Mohit Bansal	QVHighlights: Detecting Moments and Highlights in Videos via Natural Language Queries.	CoRR	2021	DBLP BibTeX RDF
11	Mathew Monfort, SouYoung Jin, Alexander H. Liu, David Harwath, Rogério Feris, James R. Glass, Aude Oliva	Spoken Moments: Learning Joint Audio-Visual Representations from Video Descriptions.	CoRR	2021	DBLP BibTeX RDF
11	Rustem Takhanov	How many moments does MMD compare?	CoRR	2021	DBLP BibTeX RDF
11	Varun Gupta 0006, Christopher Jung 0001, Georgy Noarov, Mallesh M. Pai, Aaron Roth 0001	Online Multivalid Learning: Means, Moments, and Prediction Intervals.	CoRR	2021	DBLP BibTeX RDF
11	Nicolas Privault	An algorithm for the computation of joint Hawkes moments with exponential kernel.	CoRR	2021	DBLP BibTeX RDF
11	Marina Haikin, Ram Zamir	Moments of Subsets of General Equiangular Tight Frames.	CoRR	2021	DBLP BibTeX RDF
11	Stephen F. Bass, Ashley M. Palmer, K. R. Schab, K. C. Kerby-Patel, Jessica E. Ruyle	Conversion Matrix Method of Moments for Time-Varying Electromagnetic Analysis.	CoRR	2021	DBLP BibTeX RDF
11	Gholamali Aminian, Laura Toni, Miguel R. D. Rodrigues	Information-Theoretic Bounds on the Moments of the Generalization Error of Learning Algorithms.	CoRR	2021	DBLP BibTeX RDF
11	Han Zhong 0001, Jiayi Huang, Lin F. Yang, Liwei Wang 0001	Breaking the Moments Condition Barrier: No-Regret Algorithm for Bandits with Super Heavy-Tailed Payoffs.	CoRR	2021	DBLP BibTeX RDF
11	Mayee F. Chen, Benjamin Cohen-Wang, Stephen Mussmann, Frederic Sala, Christopher Ré	Comparing the Value of Labeled and Unlabeled Data in Method-of-Moments Latent Variable Estimation.	CoRR	2021	DBLP BibTeX RDF
11	Mitali Bafna, Max Hopkins, Tali Kaufman, Shachar Lovett	Hypercontractivity on High Dimensional Expanders: a Local-to-Global Approach for Higher Moments.	CoRR	2021	DBLP BibTeX RDF
11	Philip Solimine, Anke Meyer-Baese	Efficient input placement for the optimal control of network moments.	CoRR	2021	DBLP BibTeX RDF
11	Dhruv Rohatgi, Vasilis Syrgkanis	Robust Generalized Method of Moments: A Finite Sample Viewpoint.	CoRR	2021	DBLP BibTeX RDF
11	Brian A. Freno, Neil R. Matula, Justin I. Owen, William A. Johnson	Code-Verification Techniques for the Method-of-Moments Implementation of the Electric-Field Integral Equation.	CoRR	2021	DBLP BibTeX RDF
11	Gokul Swamy, Sanjiban Choudhury, Zhiwei Steven Wu, J. Andrew Bagnell	Of Moments and Matching: Trade-offs and Treatments in Imitation Learning.	CoRR	2021	DBLP BibTeX RDF
11	Alberto López-Yela, Joaquín Míguez	Polynomial propagation of moments in stochastic differential equations.	CoRR	2021	DBLP BibTeX RDF
11	Shuren Qi, Yushu Zhang, Chao Wang, Jiantao Zhou 0001, Xiaochun Cao	A Survey of Orthogonal Moments for Image Representation: Theory, Implementation, and Evaluation.	CoRR	2021	DBLP BibTeX RDF
11	Qi Li 0029, Xingyuan Wang 0001, Bin Ma 0003, Xiaoyu Wang 0011, Chunpeng Wang, Zhiqiu Xia, Yunqing Shi 0001	Image steganography based on style transfer and quaternion exponent moments.	Appl. Soft Comput.	2021	DBLP DOI BibTeX RDF
11	Xiaomin Gong, Changrui Yu, Liangyu Min, Zhipeng Ge	Regret theory-based fuzzy multi-objective portfolio selection model involving DEA cross-efficiency and higher moments.	Appl. Soft Comput.	2021	DBLP DOI BibTeX RDF
11	Jingpeng Wu, Xianwen Zhang	Polynomial propagation of moments for a Plasma-Charge model with large data.	Appl. Math. Lett.	2021	DBLP DOI BibTeX RDF
11	Junpu Li, Lan Zhang, Qing-Hua Qin	A regularized method of moments for three-dimensional time-harmonic electromagnetic scattering.	Appl. Math. Lett.	2021	DBLP DOI BibTeX RDF
11	Nomenjanahary Alexia Raharinirina, Felix Peppert, Max von Kleist, Christof Schütte, Vikram Sunkara	Inferring gene regulatory networks from single-cell RNA-seq temporal snapshot data requires higher-order moments.	Patterns	2021	DBLP DOI BibTeX RDF
11	Haruhiko Ogasawara	A non-recursive formula for various moments of the multivariate normal distribution with sectional truncation.	J. Multivar. Anal.	2021	DBLP DOI BibTeX RDF
11	Nicole C. Eva, Marissa S. Rocca, D. Bruce Mackay	Aha Moments and Continued Confusion: An Analysis of Threshold Concepts through Student Reflections in the ACRL Framework.	Coll. Res. Libr.	2021	DBLP DOI BibTeX RDF
11	Aurélien Alfonsi, Rafaël Coyaud, Virginie Ehrlacher, Damiano Lombardi	Approximation of optimal transport problems with marginal moments constraints.	Math. Comput.	2021	DBLP DOI BibTeX RDF
11	Satoshi Mizoguchi, Yuki Saito, Shinnosuke Takamichi, Hiroshi Saruwatari	DNN-Based Low-Musical-Noise Single-Channel Speech Enhancement Based on Higher-Order-Moments Matching.	IEICE Trans. Inf. Syst.	2021	DBLP DOI BibTeX RDF
11	Milan Gocic, Lazar Velimirovic, Miomir Stankovic, Slavisa Trajkovic	Determining the best fitting distribution of annual precipitation data in Serbia using L-moments method.	Earth Sci. Informatics	2021	DBLP DOI BibTeX RDF
11	Xiaoheng Yan, Zhengyang Xu, Weihua Chen, Ye Pan	Implementation method for magneto-acoustic concentration tomography with magnetic induction (MACT-MI) based on the method of moments.	Comput. Biol. Medicine	2021	DBLP DOI BibTeX RDF
11	Seyed Ali Hosseini, Philipp Berg, Feng Huang, Christoph Roloff, Gábor Janiga, Dominique Thévenin	Central moments multiple relaxation time LBM for hemodynamic simulations in intracranial aneurysms: An in-vitro validation study using PIV and PC-MRI.	Comput. Biol. Medicine	2021	DBLP DOI BibTeX RDF
11	Zhiqiu Xia, Xingyuan Wang 0001, Chunpeng Wang, Bin Ma 0003, Mingxu Wang, Yun Qing Shi 0001	Local quaternion polar harmonic Fourier moments-based multiple zero-watermarking scheme for color medical images.	Knowl. Based Syst.	2021	DBLP DOI BibTeX RDF
11	Chunpeng Wang, Qixian Hao, Bin Ma 0003, Xiaoming Wu, Jian Li 0034, Zhiqiu Xia, Hongling Gao	Octonion continuous orthogonal moments and their applications in color stereoscopic image reconstruction and zero-watermarking.	Eng. Appl. Artif. Intell.	2021	DBLP DOI BibTeX RDF
11	Muhammad Adeel Ashraf, Yaser Daanial Khan, Bilal Shoaib, Muhammad Adnan Khan 0001, Faheem Khan, Taeg Keun Whangbo	βLact-Pred: A Predictor Developed for Identification of Beta-Lactamases Using Statistical Moments and PseAAC via 5-Step Rule.	Comput. Intell. Neurosci.	2021	DBLP DOI BibTeX RDF
11	William R. Johnson, Ajmal Mian, Mark A. Robinson, Jasper Verheul, David G. Lloyd, Jacqueline A. Alderson	Multidimensional Ground Reaction Forces and Moments From Wearable Sensor Accelerations via Deep Learning.	IEEE Trans. Biomed. Eng.	2021	DBLP DOI BibTeX RDF
11	Takehiro Hasegawa, Seiken Saito	A note on the moments of the Kesten distribution.	Discret. Math.	2021	DBLP DOI BibTeX RDF
11	Bernard L. S. Lin, Lin Peng, Pee Choon Toh	Weighted generalized crank moments for k-colored partitions and Andrews-Beck type congruences.	Discret. Math.	2021	DBLP DOI BibTeX RDF
11	Seoyoon Hwang, Seoyoung Choi, Yang-Soo Lee, Jonghyun Kim	A Novel Simplified System to Estimate Lower-Limb Joint Moments during Sit-to-Stand.	Sensors	2021	DBLP DOI BibTeX RDF
11	Sadiq H. Abdulhussain, Basheera M. Mahmmod, Marwah Abdulrazzaq Naser, Muntadher Alsabah, Roslizah Ali, S. A. R. Al-Haddad	A Robust Handwritten Numeral Recognition Using Hybrid Orthogonal Polynomials and Moments.	Sensors	2021	DBLP DOI BibTeX RDF
11	Mostafa M. Abdel-Aziz, Khalid M. Hosny, Nabil A. Lashin, Mostafa M. Fouda	Blind Watermarking of Color Medical Images Using Hadamard Transform and Fractional-Order Moments.	Sensors	2021	DBLP DOI BibTeX RDF
11	Chunpeng Wang, Hongling Gao, Meihong Yang, Jian Li 0034, Bin Ma 0003, Qixian Hao	Invariant Image Representation Using Novel Fractional-Order Polar Harmonic Fourier Moments.	Sensors	2021	DBLP DOI BibTeX RDF
11	Dinah Maria Brandner, Xiran Cai, Josquin Foiret, Katherine W. Ferrara, Bernhard G. Zagar	Estimation of Tissue Attenuation from Ultrasonic B-Mode Images - Spectral-Log-Difference and Method-of-Moments Algorithms Compared.	Sensors	2021	DBLP DOI BibTeX RDF
11	Marion Mundt, William R. Johnson, Wolfgang Potthast, Bernd Markert, Ajmal Mian, Jacqueline A. Alderson	A Comparison of Three Neural Network Approaches for Estimating Joint Angles and Moments from Inertial Measurement Units.	Sensors	2021	DBLP DOI BibTeX RDF
11	Raoul R. Nigmatullin, Vadim S. Alexandrov	Application of the Complex Moments for Selection of an Optimal Sensor.	Sensors	2021	DBLP DOI BibTeX RDF
11	Cuong Q. Ngo, Rifai Chai, Timothy W. Jones, Hung T. Nguyen 0001	The Effect of Hypoglycemia on Spectral Moments in EEG Epochs of Different Durations in Type 1 Diabetes Patients.	IEEE J. Biomed. Health Informatics	2021	DBLP DOI BibTeX RDF
11	Yousef Alipouri, Reza Rafati Bonab, Lexuan Zhong	Sensor fusion with high-order moments constraints using projection-based neural network.	IET Signal Process.	2021	DBLP DOI BibTeX RDF
11	Omar El Ogri, Hicham Karmouni, Mhamed Sayyouri, Hassan Qjidaa	3D image recognition using new set of fractional-order Legendre moments and deep neural networks.	Signal Process. Image Commun.	2021	DBLP DOI BibTeX RDF
11	Astrid Kousholt, Julia Schulte	Reconstruction of Convex Bodies from Moments.	Discret. Comput. Geom.	2021	DBLP DOI BibTeX RDF
11	Roghaye Makouei, Hossein Jabbari Khamnei, Mahdi Salehi	Moments of order statistics and k-record values arising from the complementary beta distribution with application.	J. Comput. Appl. Math.	2021	DBLP DOI BibTeX RDF
11	Chudamani Poudyal	Truncated, censored, and actuarial payment-type moments for robust fitting of a single-parameter Pareto distribution.	J. Comput. Appl. Math.	2021	DBLP DOI BibTeX RDF
11	Baishuai Zuo, Chuancun Yin, Narayanaswamy Balakrishnan 0001	Expressions for joint moments of elliptical distributions.	J. Comput. Appl. Math.	2021	DBLP DOI BibTeX RDF
11	Jitesh Kumar Bhatia, Anand Singh Jalal	Pixel-based hybrid copy move image forgery detection using Zernike moments and auto colour correlogram.	Int. J. Inf. Comput. Secur.	2021	DBLP DOI BibTeX RDF
11	Hyeonho Song, Kunwoo Park, Meeyoung Cha	Finding epic moments in live content through deep learning on collective decisions.	EPJ Data Sci.	2021	DBLP DOI BibTeX RDF
11	Khalid M. Hosny, Mohamed M. Darwish, Ahmad Salah, Kenli Li 0001, Amr M. Abdelatif	CUDAQuat: new parallel framework for fast computation of quaternion moments for color images applications.	Clust. Comput.	2021	DBLP DOI BibTeX RDF
11	Xiang-Yang Wang 0001, Li Wang, Jialin Tian, Panpan Niu, Hong-Ying Yang	Color Image Zero-Watermarking Using Accurate Quaternion Generalized Orthogonal Fourier-Mellin Moments.	J. Math. Imaging Vis.	2021	DBLP DOI BibTeX RDF
11	Guanzhong Ma, Xiangfeng Yang, Xiao Yao	A relation between moments of Liu process and Bernoulli numbers.	Fuzzy Optim. Decis. Mak.	2021	DBLP DOI BibTeX RDF
11	Sudipta Paul 0007, Niluthpol Chowdhury Mithun, Amit K. Roy-Chowdhury	Text-Based Localization of Moments in a Video Corpus.	IEEE Trans. Image Process.	2021	DBLP DOI BibTeX RDF
11	Francesco Benedetto, Gaetano Giunta, Luca Pallotta	Cognitive Satellite Communications Spectrum Sensing Based on Higher Order Moments.	IEEE Commun. Lett.	2021	DBLP DOI BibTeX RDF