Search results for "Gazetteer"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
103	Jun Wang, Ning Ge	Automatic feature thesaurus enrichment: extracting generic terms from digital gazetteer.	JCDL	2006	DBLP DOI BibTeX RDF	automatic gazetteer updating, digital gazetteer, generic term extraction, correlation analysis
97	Francisco J. López-Pellicer, F. Javier Zarazaga-Soria, A. Mogollón-Diaz, Javier Nogueras-Iso, Pedro R. Muro-Medrano	The gazetteer content model issue: Could Spatial Data Infrastructures provide it?.	AGILE Conf.	2007	DBLP DOI BibTeX RDF	Toponymic Standardization Processes, Digital Libraries, Geographical Information Systems, Cartography, Gazetteer, Spatial Data Infrastructures
97	Øyvind Vestavik, Ingeborg Sølvberg	Merging the Norwegian gazetteer with the ADL gazetteer.	JCDL	2007	DBLP DOI BibTeX RDF	merging of gazetteers, geographic information retrieval, controlled vocabularies, gazetteers
92	Linda L. Hill, Gail Hodge, David Smith	Digital gazetteers: integration into distributed digital library services.	JCDL	2002	DBLP DOI BibTeX RDF	gazetteer and thesaurus protocols, geoparsing, geospatial digital library components, networked knowledge organization systems, controlled vocabularies, gazetteers
86	Martin Doerr, Manos Papagelis	A Method for Estimating the Precision of Placename Matching.	IEEE Trans. Knowl. Data Eng.	2007	DBLP DOI BibTeX RDF	knowledge and data engineering tools and techniques, database integration, Data mapping, data translation
80	Carsten Keßler, Krzysztof Janowicz, Mohamed Bishr	An agenda for the next generation gazetteer: geographic information contribution and retrieval.	GIS	2009	DBLP DOI BibTeX RDF	trust, semantics, gazetteer, volunteered geographic information
74	Hugo Manguinhas, Bruno Martins 0001, José Borbinha	A geo-temporal Web gazetteer integrating data from multiple sources.	ICDIM	2008	DBLP DOI BibTeX RDF
69	Ligiane A. de Souza, Clodoveu A. Davis Jr., Karla A. V. Borges, Tiago M. Delboni, Alberto H. F. Laender	The Role of Gazetteers in Geographic Knowledge Discovery on the Web.	LA-WEB	2005	DBLP DOI BibTeX RDF
63	Adrian Popescu 0001, Gregory Grefenstette, Pierre-Alain Moëllic	Gazetiki: automatic creation of a geographical gazetteer.	JCDL	2008	DBLP DOI BibTeX RDF	geographic gazetteer, panoramio, data mining, information extraction, wikipedia, thesaurus
57	Luís Sarmento, Ana Sofia Pinto, Luís Cabral	REPENTINO - A Wide-Scope Gazetteer for Entity Recognition in Portuguese.	PROPOR	2006	DBLP DOI BibTeX RDF
52	Carsten Keßler, Patrick Maué, Jan Torben Heuer, Thomas Bartoschek	Bottom-Up Gazetteers: Learning from the Implicit Semantics of Geotags.	GeoS	2009	DBLP DOI BibTeX RDF
52	Linda L. Hill	Core Elements of Digital Gazetteers: Placenames, Categories, and Footprints.	ECDL	2000	DBLP DOI BibTeX RDF
40	A. Stewart Fotheringham, Peter F. Foley, Martin Charlton	Automated Boundary Creation: Atomic Small Areas in Ireland.	AGILE Conf.	2008	DBLP DOI BibTeX RDF	census, electoral divisions, gazetteer, spatial patterns
40	Michael Freeston	The Alexandria Digital Library and the alexandria digital earth prototype.	JCDL	2004	DBLP DOI BibTeX RDF	learning, teaching, library, environments, digital, concepts, geospatial, geography, gazetteer, georeferenced
40	Changqing Zhou, Dan Frankowski, Pamela J. Ludford, Shashi Shekhar, Loren G. Terveen	Discovering personal gazetteers: an interactive clustering approach.	GIS	2004	DBLP DOI BibTeX RDF	personal gazetteer, personal places, GPS, location-aware, spatio-temporal clustering
34	Andreas Henrich, Volker Lüdecke	Ad Hoc Determination of Geographic Regions for Concept@Location Queries.	Weaving Services and People on the World Wide Web	2008	DBLP DOI BibTeX RDF
34	Robert C. Pasley, Paul D. Clough, Ross S. Purves, Florian A. Twaroch	Mapping geographic coverage of the web.	GIS	2008	DBLP DOI BibTeX RDF	geographic references, web coverage, geographic information retrieval, gazetteers
34	Mirna Adriani, Nasikhin	Applying Geo-feedback to Geographic Information Retrieval.	CLEF	2007	DBLP DOI BibTeX RDF
34	Ray R. Larson, Fredric C. Gey, Vivien Petras	Berkeley at GeoCLEF: Logistic Regression and Fusion for Geographic Information Retrieval.	CLEF	2005	DBLP DOI BibTeX RDF
23	Adrian Popescu 0001, Gregory Grefenstette, Pierre-Alain Moëllic	Mining tourist information from user-supplied collections.	CIKM	2009	DBLP DOI BibTeX RDF	geographical gazetteer, tourist sites, visit times, image classification, k-nearest neighbors, flickr
23	Adrian Popescu 0001, Gregory Grefenstette	Deducing trip related information from flickr.	WWW	2009	DBLP DOI BibTeX RDF	geographical gazetteer, tourist sites, visit times, text mining, flickr, image mining, georeferencing
23	Jeffrey Partyka, Latifur Khan, Bhavani Thuraisingham	Geographically-typed semantic schema matching.	GIS	2009	DBLP DOI BibTeX RDF	type extraction, geographic information systems, semantic similarity, schema matching, gazetteer
23	Adrian Popescu 0001, Pierre-Alain Moëllic	MonuAnno: automatic annotation of georeferenced landmarks images.	CIVR	2009	DBLP DOI BibTeX RDF	Panoramio, geographic gazetteer, georeferenced images, image annotation, Flickr, landmarks, k-NN, bags of visual words
23	Øyvind Vestavik, Ingeborg Sølvberg	Merging Local and Global Gazetteers.	ICADL	2007	DBLP DOI BibTeX RDF	Gazetteer Merging, Standards, Geographic Information Retrieval, Controlled Vocabularies, Gazetteers
23	Sara Lana-Serrano, Julio Villena-Román, José Carlos González Cristóbal, José Miguel Goñi-Menoyo	MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information.	CLEF	2007	DBLP DOI BibTeX RDF	geographical entity recognition, Geonames, query classifier, classification, tagging, WordNet, gazetteer, Linguistic Engineering, geographical IR
23	Einat Amitay, Nadav Har'El, Ron Sivan, Aya Soffer	Web-a-where: geotagging web content.	SIGIR	2004	DBLP DOI BibTeX RDF	geographic tagging, information retrieval, World Wide Web (WWW), natural language processing, text mining, disambiguation, gazetteer
23	Praval Sharma, Ashok Samal, Leen-Kiat Soh, Deepti Joshi	A Spatially-Aware Data-Driven Approach to Automatically Geocoding Non-Gazetteer Place Names.	ACM Trans. Spatial Algorithms Syst.	2024	DBLP DOI BibTeX RDF
23	Niloy Farhan, Saman Sarker Joy, Tafseer Binte Mannan, Farig Sadeque	Gazetteer-Enhanced Bangla Named Entity Recognition with BanglaBERT Semantic Embeddings K-Means-Infused CRF Model.	CoRR	2024	DBLP DOI BibTeX RDF
23	Karl Grossner, Susan Grunewald, Ruth Mostern	Bringing places from the distant past to the present: a report on the World Historical Gazetteer.	Int. J. Digit. Libr.	2023	DBLP DOI BibTeX RDF
23	Hyungtak Choi, Hyeonmok Ko, Gurpreet Kaur, Lohith Ravuru, Kiranmayi Gandikota, Manisha Jhawar, Simma Dharani, Pranamya Patil	KILDST: Effective Knowledge-Integrated Learning for Dialogue State Tracking using Gazetteer and Speaker Information.	CoRR	2023	DBLP DOI BibTeX RDF
23	Jun-Yu Ma, Jia-Chen Gu, Jiajun Qi, Zhen-Hua Ling, Quan Liu, Xiaoyi Zhao	USTC-NELSLIP at SemEval-2023 Task 2: Statistical Construction and Dual Adaptation of Gazetteer for Multilingual Complex NER.	CoRR	2023	DBLP DOI BibTeX RDF
23	Jun-Yu Ma, Jia-Chen Gu, Jiajun Qi, Zhenhua Ling, Quan Liu, Xiaoyi Zhao	USTC-NELSLIP at SemEval-2023 Task 2: Statistical Construction and Dual Adaptation of Gazetteer for Multilingual Complex NER.	SemEval@ACL	2023	DBLP DOI BibTeX RDF
23	Karl E. Grossner, Ruth Mostern, Nathan Michalewicz, Alexandra Straub	Connecting Places In the World Historical Gazetteer.	DH	2023	DBLP DOI BibTeX RDF
23	Xuke Hu, Hussein S. Al-Olimat, Jens Kersten, Matti Wiegmann, Friederike Klan, Yeran Sun, Hongchao Fan	GazPNE: annotation-free deep learning for place name extraction from microblogs leveraging gazetteer and synthetic data by rules.	Int. J. Geogr. Inf. Sci.	2022	DBLP DOI BibTeX RDF
23	Qianglong Chen, Xiangji Zeng, Jiangang Zhu, Yin Zhang 0006, Bojia Lin, Yang Yang 0012, Daxin Jiang	Rethinking the Value of Gazetteer in Chinese Named Entity Recognition.	CoRR	2022	DBLP DOI BibTeX RDF
23	Beiduo Chen, Jun-Yu Ma, Jiajun Qi, Wu Guo, Zhen-Hua Ling, Quan Liu	USTC-NELSLIP at SemEval-2022 Task 11: Gazetteer-Adapted Integration Network for Multilingual Complex Named Entity Recognition.	CoRR	2022	DBLP DOI BibTeX RDF
23	Anne Purschwitz, Jesper Zedlitz	Vom gedruckten Gazetteer zum digitalen Ortsverzeichnis - Das Geschichtliche Ortsverzeichnis (GOV).	DHd	2022	DBLP DOI BibTeX RDF
23	Beiduo Chen, Jun-Yu Ma, Jiajun Qi, Wu Guo, Zhen-Hua Ling, Quan Liu	USTC-NELSLIP at SemEval-2022 Task 11: Gazetteer-Adapted Integration Network for Multilingual Complex Named Entity Recognition.	SemEval@NAACL	2022	DBLP DOI BibTeX RDF
23	Besnik Fetahu, Anjie Fang, Oleg Rokhlenko, Shervin Malmasi	Dynamic Gazetteer Integration in Multilingual Models for Cross-Lingual and Cross-Domain Named Entity Recognition.	NAACL-HLT	2022	DBLP DOI BibTeX RDF
23	Hyungtak Choi, Hyeonmok Ko, Gurpreet Kaur, Lohith Ravuru, Kiranmayi Gandikota, Manisha Jhawar, Simma Dharani, Pranamya Patil	KILDST: Effective Knowledge-Integrated Learning for Dialogue State Tracking using Gazetteer and Speaker Information.	ICON	2022	DBLP BibTeX RDF
23	Qianglong Chen, Xiangji Zeng, Jiangang Zhu, Yin Zhang 0006, Bojia Lin, Yang Yang 0012, Daxin Jiang	Rethinking the Value of Gazetteer in Chinese Named Entity Recognition.	NLPCC (1)	2022	DBLP DOI BibTeX RDF
23	Philipp Schneider, Jim Jones, Torsten Hiltmann, Tomi Kauppinen	Challenge-derived design practices for a semantic gazetteer for medieval and early modern places.	Semantic Web	2021	DBLP DOI BibTeX RDF
23	Qing Sun, Parminder Bhatia	Neural Entity Recognition with Gazetteer based Fusion.	CoRR	2021	DBLP BibTeX RDF
23	Britt Lonneville, Harm Delva, Marc Portier, Laurian Van Maldeghem, Lennert Schepers, Dias Bakeev, Bart Vanhoorne, Lennert Tyberghein, Pieter Colpaert	Publishing the Marine Regions Gazetteer as a Linked Data Event Stream.	JOWO	2021	DBLP BibTeX RDF
23	Tao Meng, Anjie Fang, Oleg Rokhlenko, Shervin Malmasi	GEMNET: Effective Gated Gazetteer Representations for Recognizing Complex Entities in Low-context Input.	NAACL-HLT	2021	DBLP DOI BibTeX RDF
23	Sinai Rusinek, Nitzan Gado	Feeding a Gazetteer: Leveraging word embeddings for toponym mining.	GeoHumanities@SIGSPATIAL	2021	DBLP DOI BibTeX RDF
23	Karl E. Grossner, Ruth Mostern	Linked Places in World Historical Gazetteer.	GeoHumanities@SIGSPATIAL	2021	DBLP DOI BibTeX RDF
23	Vincent Ducatteeuw	Developing an Urban Gazetteer: A Semantic Web Database for Humanities Data.	GeoHumanities@SIGSPATIAL	2021	DBLP DOI BibTeX RDF
23	Besnik Fetahu, Anjie Fang, Oleg Rokhlenko, Shervin Malmasi	Gazetteer Enhanced Named Entity Recognition for Code-Mixed Web Queries.	SIGIR	2021	DBLP DOI BibTeX RDF
23	T. Y. S. S. Santosh, Debarshi Kumar Sanyal, Plaban Kumar Bhowmick, Partha Pratim Das	Gazetteer-Guided Keyphrase Generation from Research Papers.	PAKDD (1)	2021	DBLP DOI BibTeX RDF
23	Qing Sun, Parminder Bhatia	Neural Entity Recognition with Gazetteer based Fusion.	ACL/IJCNLP (Findings)	2021	DBLP DOI BibTeX RDF
23	SaiKiranmai Gorla, Lalita Bhanu Murthy Neti, Aruna Malapati	Enhancing the Performance of Telugu Named Entity Recognition Using Gazetteer Features.	Inf.	2020	DBLP DOI BibTeX RDF
23	Elise Acheson, Michele Volpi, Ross S. Purves	Machine learning for cross-gazetteer matching of natural features.	Int. J. Geogr. Inf. Sci.	2020	DBLP DOI BibTeX RDF
23	Stanislav Peshterliev, Christophe Dupuy, Imre Kiss	Self-Attention Gazetteer Embeddings for Named-Entity Recognition.	CoRR	2020	DBLP BibTeX RDF
23	Haihui Zhang, Yuanziyi Zhang, Qi Xin, Fanghui Xiao	Contemporary Chinese Village Gazetteer Data Project: From Books to Data.	JCDL	2020	DBLP DOI BibTeX RDF
23	Chan Hee Song, Dawn J. Lawrie, Tim Finin, James Mayfield	Gazetteer Generation for Neural Named Entity Recognition.	FLAIRS	2020	DBLP BibTeX RDF
23	Paula J. Aucott, Humphrey Southall	Locating Past Places in Britain: Creating and Evaluating the GB1900 Gazetteer.	Int. J. Humanit. Arts Comput.	2019	DBLP DOI BibTeX RDF
23	Xiangdian Zhu, Ye Wu 0003, Luo Chen, Ning Jing	Research on Gazetteer Information Retrieval Involving Spatial Relationship Semantics.	CSAE	2019	DBLP DOI BibTeX RDF
23	Hongyu Lin, Yaojie Lu 0001, Xianpei Han, Le Sun 0001, Bin Dong, Shanshan Jiang	Gazetteer-Enhanced Attentive Neural Networks for Named Entity Recognition.	EMNLP/IJCNLP (1)	2019	DBLP DOI BibTeX RDF
23	Miha Stravs, Jernej Zupancic	Named Entity Recognition Using Gazetteer of Hierarchical Entities.	IEA/AIE	2019	DBLP DOI BibTeX RDF
23	Huali Li, Jun Liu 0018, Xiran Zhou	Intelligent Map Reader: A Framework for Topographic Map Understanding With Deep Learning and Gazetteer.	IEEE Access	2018	DBLP DOI BibTeX RDF
23	Sanket Kumar Singh, Davood Rafiei	Strategies for Geographical Scoping and Improving a Gazetteer.	WWW	2018	DBLP DOI BibTeX RDF
23	Blake Regalia, Krzysztof Janowicz, Gengchen Mai, Dalia Varanka, E. Lynn Usery	GNIS-LD: Serving and Visualizing the Geographic Names Information System Gazetteer as Linked Data.	ESWC	2018	DBLP DOI BibTeX RDF
23	Hussein Al-Olimat, Krishnaprasad Thirunarayan, Valerie L. Shalin, Amit P. Sheth	Location Name Extraction from Targeted Text Streams using Gazetteer-based Statistical Language Models.	COLING	2018	DBLP BibTeX RDF
23	Katherine M. Faull, Diane Jakacki	Resolving the Polynymy of Place: or How to Create a Gazetteer of Colonized Landscapes.	DH	2018	DBLP BibTeX RDF
23	Ryan Shaw 0001, Adam Rabinowitz, Patrick Golden	A Deep Gazetteer of Time Periods.	DH	2018	DBLP BibTeX RDF
23	Andrey Tagarev, Laura Tolosi, Vladimir Alexiev	Domain-Specific Modeling: A Food and Drink Gazetteer.	Trans. Comput. Collect. Intell.	2017	DBLP DOI BibTeX RDF
23	Hussein S. Al-Olimat, Krishnaprasad Thirunarayan, Valerie L. Shalin, Amit P. Sheth	Location Name Extraction from Targeted Text Streams using Gazetteer-based Statistical Language Models.	CoRR	2017	DBLP BibTeX RDF
23	Benjamin Adams	Wāhi, a discrete global grid gazetteer built using linked open data.	Int. J. Digit. Earth	2017	DBLP DOI BibTeX RDF
23	Katherine McDonough, Matje van de Camp	Mapping the Encyclopédie: Working Towards an Early Modern Digital Gazetteer.	GeoHumanities@SIGSPATIAL	2017	DBLP DOI BibTeX RDF
23	Shuo Wang 0012, Richard O. Sinnott, Surya Nepal	Sensitive gazetteer discovery and protection for mobile social media users.	IEEE BigData	2017	DBLP DOI BibTeX RDF
23	Elise Acheson, Julia Villette, Michele Volpi, Ross S. Purves	Gazetteer matching for natural features in Switzerland.	GIR	2017	DBLP DOI BibTeX RDF
23	Mafkereseb Kassahun Bekele, Rolf A. de By, Gaurav Singh	Spatiotemporal Information Extraction from a Historic Expedition Gazetteer.	ISPRS Int. J. Geo Inf.	2016	DBLP DOI BibTeX RDF
23	Patrick Golden, Ryan Shaw 0001	Nanopublication beyond the sciences: the PeriodO period gazetteer.	PeerJ Comput. Sci.	2016	DBLP DOI BibTeX RDF
23	Maxwell Guimarães de Oliveira, Cláudio E. C. Campelo, Cláudio de Souza Baptista, Michela Bertolotto	Gazetteer enrichment for addressing urban areas: a case study.	J. Locat. Based Serv.	2016	DBLP DOI BibTeX RDF
23	Silvio D. Cardoso, Flor K. Amanqui, Kleberson J. A. Serique, José L. C. dos Santos, Dilvan A. Moreira	SWI: A Semantic Web Interactive Gazetteer to support Linked Open Data.	Future Gener. Comput. Syst.	2016	DBLP DOI BibTeX RDF
23	Rui Zhu 0008, Yingjie Hu, Krzysztof Janowicz, Grant McKenzie	Spatial signatures for geographic feature types: examining gazetteer ontologies using spatial statistics.	Trans. GIS	2016	DBLP DOI BibTeX RDF
23	Eun-Suk Yang, Young-Bum Kim, Ruhi Sarikaya, Yu-Seop Kim	Drop-out Conditional Random Fields for Twitter with Huge Mined Gazetteer.	HLT-NAACL	2016	DBLP DOI BibTeX RDF
23	Jean-Sébastien Gros	Atλaς, a Gazetteer Linking Archaeological Collections.	SWASH@ESWC	2016	DBLP BibTeX RDF
23	Esko Ikkala, Jouni Tuominen, Eero Hyvönen	Contextualizing Historical Places in a Gazetteer by Using Historical Maps and Linked Data.	DH	2016	DBLP BibTeX RDF
23	Eero Hyvönen, Jouni Tuominen, Esko Ikkala, Eetu Mäkelä	Ontology Services Based on Crowdsourcing: Case National Gazetteer of Historical Places.	ISWC (Posters & Demos)	2015	DBLP BibTeX RDF
23	Patrick Golden, Ryan Shaw 0001	Period Assertion as Nanopublication: The PeriodO Period Gazetteer.	WWW (Companion Volume)	2015	DBLP DOI BibTeX RDF
23	Dirk Ahlers	Surveying GeoNames Gazetteer Data for the Nordic Countries.	NIK	2015	DBLP BibTeX RDF
23	Maxwell Guimarães de Oliveira, Cláudio E. C. Campelo, Cláudio de Souza Baptista, Michela Bertolotto	Leveraging VGI for Gazetteer Enrichment: A Case Study for Geoparsing Twitter Messages.	W2GIS	2015	DBLP DOI BibTeX RDF
23	Grant DeLozier, Jason Baldridge, Loretta London	Gazetteer-Independent Toponym Resolution Using Geographic Word Profiles.	AAAI	2015	DBLP DOI BibTeX RDF
23	Andrey Tagarev, Laura Tolosi, Vladimir Alexiev	Domain-Specific Modeling: Towards a Food and Drink Gazetteer.	International KEYSTONE Conference	2015	DBLP DOI BibTeX RDF
23	Claire Grover, Richard Tobin	A Gazetteer and Georeferencing for Historical English Documents.	LaTeCH@EACL	2014	DBLP DOI BibTeX RDF
23	Vlad Tanasescu, Philip David Smart, Christopher B. Jones	Reverse geocoding for photo captioning with a meta-gazetteer.	SIGSPATIAL/GIS	2014	DBLP DOI BibTeX RDF
23	Silvio D. Cardoso, Kleberson J. A. Serique, Flor K. Amanqui, José Laurindo Campos dos Santos, Dilvan A. Moreira	A Gazetteer for Biodiversity Data as a Linked Open Data Solution.	WETICE	2014	DBLP DOI BibTeX RDF
23	Tiago H. V. M. Moura, Clodoveu A. Davis Jr.	Integration of linked data sources for gazetteer expansion.	GIR	2014	DBLP DOI BibTeX RDF
23	Fahd Alotaibi 0001, Mark G. Lee	Automatically Developing a Fine-grained Arabic Named Entity Corpus and Gazetteer by utilizing Wikipedia.	IJCNLP	2013	DBLP BibTeX RDF
23	Judith Gelernter, Gautam Ganesh, Hamsini Krishnakumar, Wei Zhang 0057	Automatic gazetteer enrichment with user-geocoded data.	GEOGROWD	2013	DBLP DOI BibTeX RDF
23	Jerod J. Weinman	Toponym Recognition in Historical Maps by Gazetteer Alignment.	ICDAR	2013	DBLP DOI BibTeX RDF
23	Dirk Ahlers	Assessment of the accuracy of GeoNames gazetteer data.	GIR	2013	DBLP DOI BibTeX RDF
23	Ziqi Zhang 0001	Named entity recognition : challenges in document annotation, gazetteer construction and disambiguation.		2013	RDF
23	Matthew T. Rice, Ahmad O. Aburizaiza, R. Daniel Jacobson, Brandon M. Shore, Fabiana I. Paez	Supporting Accessibility for Blind and Vision-impaired People With a Localized Gazetteer and Open Source Geotechnology.	Trans. GIS	2012	DBLP DOI BibTeX RDF
23	Evan A. Sultanik, Clayton Fink	Rapid geotagging and disambiguation of social media text via an indexed gazetteer.	ISCRAM	2012	DBLP BibTeX RDF
23	Kate Beard	A semantic web based gazetteer model for VGI.	GEOCROWD	2012	DBLP DOI BibTeX RDF
23	Faryal Jahangir, Waqas Anwar, Usama Ijaz Bajwa, Xuan Wang	N-gram and Gazetteer List Based Named Entity Recognition for Urdu: A Scarce Resourced Language.	ALR@COLING	2012	DBLP BibTeX RDF
23	Ivre Marjorie Machado, Rafael Odon de Alencar, Roberto de Oliveira Campos Junior, Clodoveu A. Davis Jr.	An ontological gazetteer and its application for place name disambiguation in text.	J. Braz. Comput. Soc.	2011	DBLP DOI BibTeX RDF