Search results for "empirical"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
12	Alessandro F. Garcia 0001, Cláudio Sant'Anna, Christina Chavez, Viviane Torres da Silva, Carlos José Pereira de Lucena, Arndt von Staa	Separation of Concerns in Multi-agent Systems: An Empirical Study.	SELMAS	2003	DBLP DOI BibTeX RDF
12	Mari Abe, Masahiro Hori	Robust Pointing by XPath Language: Authoring Support and Empirical Evaluation.	SAINT	2003	DBLP DOI BibTeX RDF
12	Daniel L. Moody, Guttorm Sindre, Terje Brasethvik, Arne Sølvberg	Evaluating the Quality of Information Models: Empirical Testing of a Conceptual Model Quality Framework.	ICSE	2003	DBLP DOI BibTeX RDF
12	Mika Mäntylä, Jari Vanhanen, Casper Lassenius	A Taxonomy and an Initial Empirical Study of Bad Smells in Code.	ICSM	2003	DBLP DOI BibTeX RDF
12	Kalpesh Kapoor, Jonathan P. Bowen	Experimental Evaluation of the Variation in Effectiveness for DC, FPC and MC/DC Test Criteria.	ISESE	2003	DBLP DOI BibTeX RDF
12	Timo Ojala, Markus Aittola, Esa Matinmikko	Empirical Evaluation of MPEG-7 XM Color Descriptors in Content-Based Retrieval of Semantic Image Categories.	ICPR (2)	2002	DBLP DOI BibTeX RDF
12	Youjip Won, Bowie Shim	Empirical Study of VBR Traffic Smoothing in Wireless Environment.	IICS	2002	DBLP DOI BibTeX RDF
12	Eamonn J. Keogh, Shruti Kasetty	On the need for time series data mining benchmarks: a survey and empirical demonstration.	KDD	2002	DBLP DOI BibTeX RDF	data mining, time series, experimental evaluation
12	Yunwen Ye	An Empirical User Study of an Active Reuse Repository System.	ICSR	2002	DBLP DOI BibTeX RDF
12	Kevin Leyton-Brown, Eugene Nudelman, Yoav Shoham	Learning the Empirical Hardness of Optimization Problems: The Case of Combinatorial Auctions.	CP	2002	DBLP DOI BibTeX RDF
12	Frank Padberg	Empirical interval estimates for the defect content after an inspection.	ICSE	2002	DBLP DOI BibTeX RDF
12	Giovanni Denaro, Mauro Pezzè	An empirical evaluation of fault-proneness models.	ICSE	2002	DBLP DOI BibTeX RDF	fault-proneness models, software faultiness, principal component analysis, software metrics, software process, logistic regression, cross-validation, testing process
12	Giuseppe Arbia	The role of spatial effects in the empirical analysis of regional concentration.	J. Geogr. Syst.	2001	DBLP DOI BibTeX RDF
12	Taghi M. Khoshgoftaar, Edward B. Allen	Empirical Assessment of a Software Metric: The Information Content of Operators.	Softw. Qual. J.	2001	DBLP DOI BibTeX RDF	prediction, software quality, entropy, software metrics, information theory, software measurement, linear regression
12	Daniela E. Herlea Damian, Mildred L. G. Shaw, Armin Eberlein, Brian R. Gaines, J. Brian Woodward	An Empirical Study of Facilitation of Computer-Mediated Distributed Requirements Negotiations.	RE	2001	DBLP DOI BibTeX RDF
12	Philippe Chevalley, Pascale Thévenod-Fosse	An Empirical Evaluation of Statistical Testing Designed from UML State Diagrams: The Flight Guidance System Case Study.	ISSRE	2001	DBLP DOI BibTeX RDF
12	Jim Warren	Cost/Benefit Based Adaptive Dialog: Case Study Using Empirical Medical Practice Norms and Intelligent Split Menus.	AUIC	2001	DBLP DOI BibTeX RDF
12	Yubing Wang, Mark Claypool, Zheng Zuo	An empirical study of realvideo performance across the internet.	Internet Measurement Workshop	2001	DBLP DOI BibTeX RDF	Internet
12	James R. Warren, Patrick Bolton	Empirical Norms as a Lever for On-Line Support of General Practice.	HICSS	2001	DBLP DOI BibTeX RDF	intelligent split menus, data mining, adaptive user interfaces, health informatics
12	Steve A. Chien, Russell Knight, Gregg R. Rabideau	An Empirical Evaluation of the Effectiveness of Local Search for Replanning.	Local Search for Planning and Scheduling	2000	DBLP DOI BibTeX RDF
12	Skylar Lei, Michael R. Smith 0001, Giancarlo Succi	Empirical investigation of a novel approach to check the integrity of software engineering measuring processes (poster).	ICSE	2000	DBLP DOI BibTeX RDF
12	Jochen Renz, Reinhold Rauh, Markus Knauff	Towards Cognitive Adequacy of Topological Spatial Relations.	Spatial Cognition	2000	DBLP DOI BibTeX RDF
12	Ritu Agarwal, Prabuddha De, Atish P. Sinha	Comprehending Object and Process Models: An Empirical Study.	IEEE Trans. Software Eng.	1999	DBLP DOI BibTeX RDF	Cognitive fit, model comprehension, process-oriented modeling, human factors, object-oriented modeling, experimental method
12	Robert W. Lindeman, John L. Sibert, James K. Hahn	Towards Usable VR: An Empirical Study of User Interfaces for Immersive Virtual Environments.	CHI	1999	DBLP DOI BibTeX RDF	passive-haptic feedback, virtual reality, virtual environments, 3D user interfaces, bimanual interaction
12	Murlikrishna Viswanathan, Chris S. Wallace, David L. Dowe, Kevin B. Korb	Finding Cutpoints in Noisy Binary Sequences - A Revised Empirical Evaluation.	Australian Joint Conference on Artificial Intelligence	1999	DBLP DOI BibTeX RDF
12	Robbert-Jan Beun, Anita H. M. Cremers	Multimodal Reference to Objects: An Empirical Approach.	Cooperative Multimodal Communication	1998	DBLP DOI BibTeX RDF
12	Francesmary Modugno, Albert T. Corbett, Brad A. Myers	Graphical Representation of Programs in a Demonstrational Visual Shell - An Empirical Evaluation.	ACM Trans. Comput. Hum. Interact.	1997	DBLP DOI BibTeX RDF	pursuit, programming by demonstration
12	Nam-Yong Lee, Charles R. Litecky	An Empirical Study of Software Reuse with Special Attention to Ada.	IEEE Trans. Software Eng.	1997	DBLP DOI BibTeX RDF	software engineering, Ada, software metrics, software reuse, repository, factor analysis, object-oriented technology, multiple regression analysis
12	Alain Abran, Pierre N. Robillard	Function Points Analysis: An Empirical Study of Its Measurement Processes.	IEEE Trans. Software Eng.	1996	DBLP DOI BibTeX RDF	measurement process, functional metrics, productivity models, Function point analysis, estimation models
12	Joline Morrison, Mark Weiser 0001	A Research Framework for Empirical Studies in Organizational Memory.	HICSS (3)	1996	DBLP DOI BibTeX RDF
12	Kee Sup Kim, Charles R. Kime	Partial scan flip-flop selection by use of empirical testability.	J. Electron. Test.	1995	DBLP DOI BibTeX RDF	scan flip-flop selection, serial scan, design for testability, testability, partial scan
12	Nikolay I. Nikolaev, Evgueni N. Smirnov	Analytical Learning Guided by Empirical Technology: An Approach to Integration (Extended Abstract).	ECML	1995	DBLP DOI BibTeX RDF
12	Gerhard Widmer	Using Plausible Explanations to Bias Empirical Generalizations in Weak Theory Domains.	EWSL	1991	DBLP DOI BibTeX RDF
11	Chang Zhang, Bin Liu, Badamasi Sani Mohammed, Awais Khan Jumani	Big Data Assisted Empirical Study for Business Value Identification Using Smart Technologies: An Empirical Study for Business Value Identification of Big Data Adaption in E-Commerce.	Int. J. e Collab.	2023	DBLP DOI BibTeX RDF
11	Cenk Sezen	Pan evaporation forecasting using empirical and ensemble empirical mode decomposition (EEMD) based data-driven models in the Euphrates sub-basin, Turkey.	Earth Sci. Informatics	2023	DBLP DOI BibTeX RDF
11	Yaru Yue, Chengdong Chen, Xiaoyuan Wu, Xiaoguang Zhou	An effective electrocardiogram segments denoising method combined with ensemble empirical mode decomposition, empirical mode decomposition, and wavelet packet.	IET Signal Process.	2023	DBLP DOI BibTeX RDF
11	Zakaria El Khadiri, Rachid Latif, Amine Saddik	Breathing Pattern Assessment Through the Empirical Mode Decomposition and the Empirical Wavelet Transform Algorithms.	AICV	2023	DBLP DOI BibTeX RDF
11	Nane Winkler, Ronja Schwinghammer, Thomas Hess	Can the old world still not publish empirical papers? A literature analysis of empirical methods use in the German-speaking information systems research community.	ECIS	2023	DBLP BibTeX RDF
11	Tahereh Zohdinasab, Vincenzo Riccio, Paolo Tonella	An Empirical Study on Low- and High-Level Explanations of Deep Learning Misbehaviours.	ESEM	2023	DBLP DOI BibTeX RDF
11	Mahi Begoug, Narjes Bessghaier, Ali Ouni 0001, Eman Abdullah AlOmar, Mohamed Wiem Mkaouer	What Do Infrastructure-as-Code Practitioners Discuss: An Empirical Study on Stack Overflow.	ESEM	2023	DBLP DOI BibTeX RDF
11	Zengyang Li, Wenshuo Wang, Sicheng Wang, Peng Liang 0001, Ran Mo	Understanding Resolution of Multi-Language Bugs: An Empirical Study on Apache Projects.	ESEM	2023	DBLP DOI BibTeX RDF
11	Oliver Karras, Felix Wernlein, Jil Klünder, Sören Auer	Divide and Conquer the EmpiRE: A Community-Maintainable Knowledge Graph of Empirical Research in Requirements Engineering.	ESEM	2023	DBLP DOI BibTeX RDF
11	Dingbang Wang, Yu Zhao, Lu Xiao 0001, Tingting Yu	An Empirical Study of Regression Testing for Android Apps in Continuous Integration Environment.	ESEM	2023	DBLP DOI BibTeX RDF
11	Chi Seng Cheang, Hou Pong Chan, Derek F. Wong, Xuebo Liu 0002, Zhaocong Li, Yanming Sun, Shudong Liu 0004, Lidia S. Chao	Can LMs Generalize to Future Data? An Empirical Analysis on Text Summarization.	EMNLP	2023	DBLP DOI BibTeX RDF
11	Tingyu Xie, Qi Li, Jian Zhang, Yan Zhang, Zuozhu Liu, Hongwei Wang	Empirical Study of Zero-Shot NER with ChatGPT.	EMNLP	2023	DBLP DOI BibTeX RDF
11	Yizhe Yang, Heyan Huang, Yuhang Liu, Yang Gao	Graph vs. Sequence: An Empirical Study on Knowledge Forms for Knowledge-Grounded Dialogue.	EMNLP	2023	DBLP DOI BibTeX RDF
11	António Farinhas, José Guilherme Camargo de Souza, André F. T. Martins	An Empirical Study of Translation Hypothesis Ensembling with Large Language Models.	EMNLP	2023	DBLP DOI BibTeX RDF
11	Ruotian Ma, Xiaolei Wang, Xin Zhou 0012, Qi Zhang 0001, Xuanjing Huang 0001	Towards Building More Robust NER datasets: An Empirical Study on NER Dataset Bias from a Dataset Difficulty View.	EMNLP	2023	DBLP DOI BibTeX RDF
11	Bashar Alhafni, Go Inoue, Christian Khairallah, Nizar Habash	Advancements in Arabic Grammatical Error Detection and Correction: An Empirical Investigation.	EMNLP	2023	DBLP DOI BibTeX RDF
11	Wei Guo, Zhe Wang 0002, Menghao Ma, Lilong Chen, Hai Yang 0002, Dongdong Li, Wenli Du	Semi-supervised multiple empirical kernel learning with pseudo empirical loss and similarity regularization.	Int. J. Intell. Syst.	2022	DBLP DOI BibTeX RDF
11	D. Jaipriya, K. C. Sriharipriya	A comparative analysis of masking empirical mode decomposition and a neural network with feed-forward and back propagation along with masking empirical mode decomposition to improve the classification performance for a reliable brain-computer interface.	Frontiers Comput. Neurosci.	2022	DBLP DOI BibTeX RDF
11	Maurice H. ter Beek, Alessio Ferrari 0001	Empirical Formal Methods: Guidelines for Performing Empirical Studies on Formal Methods.	CoRR	2022	DBLP DOI BibTeX RDF
11	Md. Masudur Rahman 0005, Abdus Satter, Md. Mahbubul Alam Joarder, Kazi Sakib	An Empirical Study on the Occurrences of Code Smells in Open Source and Industrial Projects.	ESEM	2022	DBLP DOI BibTeX RDF
11	Haris Mumtaz, Paramvir Singh, Kelly Blincoe	Analyzing the Relationship between Community and Design Smells in Open-Source Software Projects: An Empirical Study.	ESEM	2022	DBLP DOI BibTeX RDF
11	Changlong Yu, Tianyi Xiao, Lingpeng Kong, Yangqiu Song, Wilfred Ng	An Empirical Revisiting of Linguistic Knowledge Fusion in Language Understanding Tasks.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Cheng Wang 0002, Jorge Balazs, György Szarvas, Patrick Ernst, Lahari Poddar, Pavel Danchenko	Calibrating Imbalanced Classifiers with Focal Loss: An Empirical Study.	EMNLP (Industry Track)	2022	DBLP DOI BibTeX RDF
11	Md. Arafat Sultan, Avi Sil, Radu Florian	Not to Overfit or Underfit the Source Domains? An Empirical Study of Domain Generalization in Question Answering.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Fatemehsadat Mireshghallah, Archit Uniyal, Tianhao Wang 0001, David E. Evans 0001, Taylor Berg-Kirkpatrick	An Empirical Analysis of Memorization in Fine-tuned Autoregressive Language Models.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Emmy Liu, Graham Neubig	Are representations built from the ground up? An empirical examination of local composition in language models.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Weiwei Gu, Boyuan Zheng, Yunmo Chen, Tongfei Chen, Benjamin Van Durme	An Empirical Study on Finding Spans.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Mohammad Akbar-Tajari, Sara Rajaee, Mohammad Taher Pilehvar	An Empirical Study on the Transferability of Transformer Modules in Parameter-efficient Fine-tuning.	EMNLP	2022	DBLP DOI BibTeX RDF
11	Milos Savic 0001, Mirjana Ivanovic, Ivan Lukovic, Boris Delibasic, Jelica Protic, Dragan Jankovic	Students' preferences in selection of computer science and informatics studies: A comprehensive empirical case studyStudents' preferences in selection of computer science and informatics studies: A comprehensive empirical case study.	Comput. Sci. Inf. Syst.	2021	DBLP DOI BibTeX RDF
11	Muhammad Kaleem, Aziz Guergachi, Sridhar Krishnan 0001	Comparison of Empirical Mode Decomposition, Wavelets, and Different Machine Learning Approaches for Patient-Specific Seizure Detection Using Signal-Derived Empirical Dictionary Approach.	Frontiers Digit. Health	2021	DBLP DOI BibTeX RDF
11	Ramakrishna Vedantam, David Lopez-Paz, David J. Schwab	An Empirical Investigation of Domain Generalization with Empirical Risk Minimizers.	NeurIPS	2021	DBLP BibTeX RDF
11	Klaus Schmid	If you want better empirical research, value your theory: On the importance of strong theories for progress in empirical software engineering research.	EASE	2021	DBLP DOI BibTeX RDF
11	Roshan Namal Rajapakse, Mansooreh Zahedi, Muhammad Ali Babar 0001	An Empirical Analysis of Practitioners' Perspectives on Security Tool Integration into DevOps.	ESEM	2021	DBLP DOI BibTeX RDF
11	Roland Croft, Dominic Newlands, Ziyu Chen, Muhammad Ali Babar 0001	An Empirical Study of Rule-Based and Learning-Based Approaches for Static Application Security Testing.	ESEM	2021	DBLP DOI BibTeX RDF
11	Massimiliano Di Penta	How Empirical Research Supports Tool Development: A Retrospective Analysis and new Horizons.	ESEM	2021	DBLP DOI BibTeX RDF
11	Jiri Gesi, Jiawei Li, Iftekhar Ahmed 0001	An Empirical Examination of the Impact of Bias on Just-in-time Defect Prediction.	ESEM	2021	DBLP DOI BibTeX RDF
11	Flávia Coelho, Nikolaos Tsantalis, Tiago Massoni, Everton L. G. Alves	An Empirical Study on Refactoring-Inducing Pull Requests.	ESEM	2021	DBLP DOI BibTeX RDF
11	Nikolaos Alexopoulos, Andrew Meneely, Dorian Arnouts, Max Mühlhäuser	Who are Vulnerability Reporters?: A Large-scale Empirical Study on FLOSS.	ESEM	2021	DBLP DOI BibTeX RDF
11	Alessandro Raganato, Raúl Vázquez, Mathias Creutz, Jörg Tiedemann	An Empirical Investigation of Word Alignment Supervision for Zero-Shot Multilingual Neural Machine Translation.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Patrick Kahardipraja, Brielen Madureira, David Schlangen	Towards Incremental Transformers: An Empirical Analysis of Transformer Models for Incremental NLU.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Samuel Mensah, Kai Sun, Nikolaos Aletras	An Empirical Study on Leveraging Position Embeddings for Target-oriented Opinion Words Extraction.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Jiaxin Huang 0001, Chunyuan Li, Krishan Subudhi, Damien Jose, Shobana Balakrishnan, Weizhu Chen, Baolin Peng, Jianfeng Gao 0001, Jiawei Han 0001	Few-Shot Named Entity Recognition: An Empirical Baseline Study.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Tuhin Chakrabarty, Arkadiy Saakyan, Smaranda Muresan	Don't Go Far Off: An Empirical Study on Neural Poetry Translation.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Zihan Wang 0001, Chengyu Dong, Jingbo Shang	"Average" Approximates "First Principal Component"? An Empirical Analysis on Representations from Neural Language Models.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Yi Chen 0019, Haiyun Jiang, Lemao Liu, Shuming Shi 0001, Chuang Fan, Min Yang 0007, Ruifeng Xu	An Empirical Study on Multiple Information Sources for Zero-Shot Fine-Grained Entity Typing.	EMNLP (1)	2021	DBLP DOI BibTeX RDF
11	Yasha Pushak, Zongxu Mu, Holger H. Hoos	Empirical scaling analyzer: An automated system for empirical analysis of performance scaling.	AI Commun.	2020	DBLP DOI BibTeX RDF
11	Marshall L. Fisher, Marcelo Olivares, Bradley R. Staats	Why Empirical Research Is Good for Operations Management, and What Is Good Empirical Operations Management?	Manuf. Serv. Oper. Manag.	2020	DBLP DOI BibTeX RDF
11	Dilshat Salikhov, Giancarlo Succi, Alexander Tormasov	An empirical analysis of success factors in the adaption of the scaled agile framework - first outcomes from an empirical study.	CoRR	2020	DBLP BibTeX RDF
11	Ehsan Firouzi, Ashkan Sami, Foutse Khomh, Gias Uddin 0001	On the use of C# Unsafe Code Context: An Empirical Study of Stack Overflow.	ESEM	2020	DBLP DOI BibTeX RDF
11	Luigi Lavazza, Geng Liu, Roberto Meli	Using Extremely Simplified Functional Size Measures for Effort Estimation: an Empirical Study.	ESEM	2020	DBLP DOI BibTeX RDF
11	Marvin Muñoz Barón, Marvin Wyrich, Stefan Wagner 0001	An Empirical Validation of Cognitive Complexity as a Measure of Source Code Understandability.	ESEM	2020	DBLP DOI BibTeX RDF
11	Gouri Deshpande, Guenther Ruhe	Beyond Accuracy: ROI-driven Data Analytics of Empirical Data.	ESEM	2020	DBLP DOI BibTeX RDF
11	Foyzul Hassan, Chetan Bansal, Nachiappan Nagappan, Thomas Zimmermann 0001, Ahmed Hassan Awadallah	An Empirical Study of Software Exceptions in the Field using Search Logs.	ESEM	2020	DBLP DOI BibTeX RDF
11	Wuwei Lan, Yang Chen, Wei Xu 0004, Alan Ritter	An Empirical Study of Pre-trained Transformers for Arabic Information Extraction.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Brielen Madureira, David Schlangen	Incremental Processing in the Age of Non-Incremental Encoders: An Empirical Assessment of Bidirectional Models for Incremental NLU.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Ilias Chalkidis, Manos Fergadiotis, Sotiris Kotitsas, Prodromos Malakasiotis, Nikolaos Aletras, Ion Androutsopoulos	An Empirical Study on Large-Scale Multi-Label Text Classification Including Few and Zero-Shot Labels.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	William Chan, Mitchell Stern, Jamie Kiros, Jakob Uszkoreit	An Empirical Study of Generation Order for Machine Translation.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Kristjan Arumae, Qing Sun, Parminder Bhatia	An Empirical Investigation Towards Efficient Multi-Domain Language Model Pre-training.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Liat Ein-Dor, Alon Halfon, Ariel Gera, Eyal Shnarch, Lena Dankin, Leshem Choshen, Marina Danilevsky, Ranit Aharonov, Yoav Katz, Noam Slonim	Active Learning for BERT: An Empirical Study.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Taylor Berg-Kirkpatrick, Daniel Spokoyny	An Empirical Investigation of Contextualized Number Prediction.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Yu-An Wang, Yun-Nung Chen	What Do Position Embeddings Learn? An Empirical Study of Pre-Trained Language Model Positional Encoding.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Hao Peng 0015, Tianyu Gao, Xu Han 0007, Yankai Lin, Peng Li 0030, Zhiyuan Liu 0001, Maosong Sun 0001, Jie Zhou 0016	Learning from Context or Names? An Empirical Study on Neural Relation Extraction.	EMNLP (1)	2020	DBLP DOI BibTeX RDF
11	Tommaso Taddei	An offline/online procedure for dual norm calculations of parameterized functionals: empirical quadrature and empirical test spaces.	Adv. Comput. Math.	2019	DBLP DOI BibTeX RDF
11	Juntong Hong, Osamu Mizuno, Masanari Kondo	An Empirical Study of Source Code Detection Using Image Classification.	IWESEP	2019	DBLP DOI BibTeX RDF
11	Valentina Lenarduzzi, Teemu Orava, Nyyti Saarimäki, Kari Systä, Davide Taibi 0001	An Empirical Study on Technical Debt in a Finnish SME.	ESEM	2019	DBLP DOI BibTeX RDF
11	Ting Chen 0002, Zihao Li 0001, Yufei Zhang 0002, Xiapu Luo, Ting Wang 0006, Teng Hu, Xiuzhuo Xiao, Dong Wang 0018, Jin Huang, Xiaosong Zhang 0001	A Large-Scale Empirical Study on Control Flow Identification of Smart Contracts.	ESEM	2019	DBLP DOI BibTeX RDF
11	Guilherme Avelino 0001, Eleni Constantinou, Marco Túlio Valente, Alexander Serebrenik	On the abandonment and survival of open source projects: An empirical investigation.	ESEM	2019	DBLP DOI BibTeX RDF