Search results for "multimedia database"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
3	Didier Sébastien, Noël Conruyt	Online Multimedia Database for Communities of Practice in Biology: A Real Use Challenge.	ICIW	2008	DBLP DOI BibTeX RDF	Online multimedia database, user centered design, Web application
3	Jong-Hee Lee, Kwang-Hyoung Lee, Moon-Seog Jun, Keun-Wang Lee	A Multimedia Database System Using Mobile Indexing Agent in Wireless Network.	KES	2004	DBLP DOI BibTeX RDF	Mobile Indexing Agent, Semantics-based Indexing and Retrieval, Multimedia Database System
3	Ji-Rong Wen, Qing Li, Wei-Ying Ma, HongJiang Zhang	A Multi-paradigm Querying Approach for a Generic Multimedia Database Management System.	SIGMOD Record	2003	DBLP DOI BibTeX RDF	media independence, multi-paradigm querying, multimedia database management, uniform data modeling
3	Shu-Ching Chen, Rangasami L. Kashyap	A Spatio-Temporal Semantic Model for Multimedia Database Systems and Multimedia Information Systems.	IEEE Trans. Knowl. Data Eng.	2001	DBLP DOI BibTeX RDF	Augmented Transition Network (ATN), multimedia input string, semantic object, multimedia presentations, multimedia database systems
3	Wen-Syan Li, K. Selçuk Candan, Kyoji Hirata, Yoshinori Hara	Supporting efficient multimedia database exploration.	VLDB J.	2001	DBLP DOI BibTeX RDF	Progressive processing, Selectivity statistics, Human computer interaction, Multimedia database, Exploration, Query relaxation
3	Sherry Marcus, V. S. Subrahmanian	Towards a Theory of Multimedia Database Systems.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Selvakumar Samuel, Kesava Pillai Rajadorai	Mobile multimedia database common issues and future considerations.	MoMM	2009	DBLP DOI BibTeX RDF	mobile cloud computing, mobile multimedia databases, mobile target (server), static client, static target, security, testing, SaaS, LTE, IaaS, PaaS, mobile client
2	Yu-lung Lo, Ling-yi Tsai	Real-valued feature indexing for music databases.	ICUIMC	2009	DBLP DOI BibTeX RDF	numeric index, string index, content-based retrieval, multimedia database, music database
2	Wei Chen 0004, Jing Chen, Qing Li	Adaptive community-based multimedia data retrieval in a distributed environment.	ICUIMC	2008	DBLP DOI BibTeX RDF	information retrieval, distributed system, multimedia database, reputation system, social search
2	Qiong Zuo, Zhongsheng Cao	G3M: A Generalized Multimedia Data Model Based on MPEG-7.	MUE	2008	DBLP DOI BibTeX RDF	data model, Multimedia database, MPEG-7
2	Bhavani M. Thuraisingham	Security and privacy for multimedia database management systems.	Multimedia Tools Appl.	2007	DBLP DOI BibTeX RDF	Multimedia data management, Multimedia data security, Secure data model, Secure distributed multimedia data management, Data mining, Privacy, Dependability, Security policy, Security architecture
2	Fekade Getahun, Joe Tekli, Solomon Atnafu, Richard Chbeir	The use of semantic-based predicates implication to improve horizontal multimedia database fragmentation.	MS	2007	DBLP DOI BibTeX RDF	data implication, multimedia retrieval, data partition, horizontal fragmentation
2	Zhen Guo, Zhongfei Zhang, Eric P. Xing, Christos Faloutsos	Enhanced max margin learning on multimodal data mining in a multimedia database.	KDD	2007	DBLP DOI BibTeX RDF	max margin, multimodal data mining, image retrieval, image annotation
2	Leonard Brown, Le Gruenwald	Speeding up Color-Based Retrieval in Multimedia Database Management Systems that Store Images as Sequences of Editing Operations.	ICDE Workshops	2006	DBLP DOI BibTeX RDF
2	Ali E. Dashti, Seon Ho Kim, Roger Zimmermann	Zoned-RAID for Multimedia Database Servers.	DASFAA	2005	DBLP DOI BibTeX RDF
2	Keun-Wang Lee, Hyeon-Seob Cho, Jong-Hee Lee, Wha Yeon Cho	A Mobile Multimedia Database System for Infants Education Environment.	MSN	2005	DBLP DOI BibTeX RDF
2	Thomas Heimrich	Modeling of Output Constraints in Multimedia Database Systems.	MMM	2005	DBLP DOI BibTeX RDF
2	Mario Döller, Harald Kosch	Approximating the selectivity of multimedia range queries.	ICME	2005	DBLP DOI BibTeX RDF	selectivity approximation, image database query, DBSCAN clustering technique, scalable color descriptor, Oracle multimedia database system, extensible optimizer architecture, MPEG-7
2	Ramazan Savas Aygün, Adnan Yazici	Modeling and Management of Fuzzy Information in Multimedia Database Applications.	Multimedia Tools Appl.	2004	DBLP DOI BibTeX RDF	fuzzy object-oriented data model, multimedia databases, multimedia data modeling
2	Leonard Brown, Le Gruenwald	Performing Colour-Based Similarity Searches in Multimedia Database Management Systems Augmented with Derived Images.	BNCOD	2004	DBLP DOI BibTeX RDF
2	Ross King, Niko Popitsch, Utz Westermann	METIS: a flexible database foundation for unified media management.	ACM Multimedia	2004	DBLP DOI BibTeX RDF	unified media management, multimedia database systems
2	Ying-Hong Wang, Chih-Hao Lin	Two Intelligent Applications Supports English Distance Learning.	ICDCS Workshops	2003	DBLP DOI BibTeX RDF	Link grammar, Linguistic corpus, Distance learning, Multimedia database
2	Harald Kosch	MPEG-7 and Multimedia Database Systems.	SIGMOD Record	2002	DBLP DOI BibTeX RDF
2	Peter L. Stanchev, Farshad Fotouhi	MEDIMAGE - A Multimedia Database Management System for Alzheimer's Disease Patients.	VISUAL	2002	DBLP DOI BibTeX RDF
2	Yu-lung Lo, Shiou-jiuan Chen	The Numeric Indexing For Music Data.	ICDCS Workshops	2002	DBLP DOI BibTeX RDF	content-based retrieval, multimedia database, string matching
2	K. Selçuk Candan, Wen-Syan Li	On Similarity Measures for Multimedia Database Applications.	Knowl. Inf. Syst.	2001	DBLP DOI BibTeX RDF	Fuzzy logic, Image matching, Multimedia databases, Scoring functions, Partial match
2	Guohui Li, Jun Zhang, Defeng Wu	A Content-Based Multimedia Database Engine: MIR.	IEEE Pacific Rim Conference on Multimedia	2001	DBLP DOI BibTeX RDF
2	Edward Grabczewski, John Cosmas, Peter Van Santen, Damian Green, Take Itagaki, Fred Weimer	3D MURALE: multimedia database system architecture.	Virtual Reality, Archeology, and Cultural Heritage	2001	DBLP DOI BibTeX RDF	virtual Reality, multimedia Databases, photogrammetry, archaeology
2	Fangxiang Cheng, William J. Christmas, Josef Kittler	Detection and Description of Human Running Behaviour in Sports Video Multimedia Database.	ICIAP	2001	DBLP DOI BibTeX RDF
2	Henrike Berthold, Klaus Meyer-Wegener	Schema Design and Query Processing in a Federated Multimedia Database System.	CoopIS	2001	DBLP DOI BibTeX RDF
2	Harald Kosch, Mario Döller, László Böszörményi	Content-Based Indexing and Retrieval Supported by Mobile Agent Technology.	MDIC	2001	DBLP DOI BibTeX RDF	Mobile Agents, Content-based Indexing and Retrieval, Multimedia Database System
2		A Multimedia Database Supports English Distance Learning.	ISMSE	2000	DBLP DOI BibTeX RDF
2	Wolfgang Lindner, Henrike Berthold, Frank Binkowski, Andreas Heuer, Klaus Meyer-Wegener	Enabling Hypermedia Videos in Multimedia Database Systems Coupled with Realtime Media Servers. (PDF / PS)	IDEAS	2000	DBLP DOI BibTeX RDF	hypermedia videos, real time media servers, standard structured data, distinct systems, multimedia DBMS, hypermedia link anchors, client software, video playout, update processing, metadata, query processing, video stream, multimedia databases, continuous media, structured data, multimedia database systems, integrated management, video data, local structures, time-dependent data, MMDBS, media servers, hypermedia structures
2	Guntram Flach, Nico Günther	Architecture for the Integration and Access on Multimedia Database Systems in the Context of Mobile Environments. (PDF / PS)	IDEAS	2000	DBLP DOI BibTeX RDF	mobile multimedia systems, globally distributed information, Informix, internetworked LAN, Mobility Information Center, multimedia data access, mobile data exchange, media specific queries, local resources, mobile computing, bandwidth, multimedia databases, multimedia database, WAN, user preferences, object-relational database, communication channels, user mobility, content based information retrieval
2	Günther Specht, Thomas Kahabka	Information Filtering and Personalization in Databases Using Gaussian Curves. (PDF / PS)	IDEAS	2000	DBLP DOI BibTeX RDF	Gaussian curves, adaptive personalisation algorithm, arbitrary information systems, GRAS algorithm, Gaussian Rating Adaptation Scheme, retrieved document sorting, personal interests, personal relevance, user numbers, background information, feedback techniques, user profile adaptation, object profile adaptation, profile maturity, MultiMAP multimedia database, generic personalisation provider module, databases, collaborative filtering, information filtering, content-based filtering, information retrieval systems, multimedia data, content structure
2	Oya Kalipsiz	Multimedia Databases. (PDF / PS)	IV	2000	DBLP DOI BibTeX RDF	Multimedia Tools and Techniques, Multimedia Data Types, Multimedia Database Management Systems, Database Management Systems
2	T. K. Mitre, Adriano B. Huguet, Arnaldo de Albuquerque Araújo, N. S. Andrade	An Object-Relational Database Containing Multimedia Data.	SIBGRAPI	2000	DBLP DOI BibTeX RDF	criminal expert reports, multimedia data management, multimedia data storage, security techniques, cryptography, information system, digital signatures, database management system, digital watermarking, multimedia databases, multimedia database, object-relational database
2	Leonard Brown, Le Gruenwald, Gregory D. Speegle	Issues in Using Specifications to Improve Content-Based Search of Multimedia Data.	DANTE	1999	DBLP DOI BibTeX RDF	Multimedia Database Content-Based Retrieval Search
2	Shu-Ching Chen, Srinivas Sista, Mei-Ling Shyu, Rangasami L. Kashyap	Augmented Transition Networks as Video Browsing Models for Multimedia Databases and Multimedia Information Systems. (PDF / PS)	ICTAI	1999	DBLP DOI BibTeX RDF	Augmented Transition Network (ATN), Multimedia Input String, Multimedia Database Systems, Multimedia Browsing
2	Heiko Thimm, M. Tamer Özsu	A Generic Scheme and Sample Implementation Architecture for Graceful Service Adaptation in Multimedia Database Systems. (PDF / PS)	ICMCS	1998	DBLP DOI BibTeX RDF
2	Deng-Jyi Chen, Ching-Yun Lee, Hui-Chieh Huang	Media allocation methods to improve multimedia query and access reliability. (PDF / PS)	ICPADS	1997	DBLP DOI BibTeX RDF	media allocation methods, multimedia query, multimedia access reliability, distributed multimedia database systems, resource-sharing capacity, reliable performance, fault-tolerance, distributed databases, communication links
2	Sherry Marcus, V. S. Subrahmanian	Foundations of Multimedia Database Systems.	J. ACM	1996	DBLP DOI BibTeX RDF	data structures, query processing, query languages, multimedia databases
2	Heiko Thimm, Wolfgang Klas	Playout Management in Multimedia Database Systems.	Multimedia Database Systems	1996	DBLP BibTeX RDF
2	Michalis Vazirgiannis	An Object-Oriented Modeling of Multimedia Database Objects and Applications.	Multimedia Database Systems	1996	DBLP BibTeX RDF
2	Sherry Marcus	Querying Multimedia Databases in SQL.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	A. Prasad Sistla, Clement T. Yu	Retrieval of Pictures Using Approximate Matching.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Alberto Belussi, Elisa Bertino, A. Biavasco, S. Rizzo	A Data Access Structure for Filtering Distance Queries in Image Retrieval.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Ross Cutler, K. Selçuk Candan	Multimedia Athoring Systems.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Vipul Kashyap, Kshitij Shah, Amit P. Sheth	Metadata for Building the MultiMedia Patch Quilt.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Walid G. Aref, Daniel Barbará, Daniel P. Lopresti	Ink as a First-Class Datatype in Multimedia Databases.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	H. V. Jagadish	Indexing for Retrieval by Similarity.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Banu Özden, Rajeev Rastogi, Abraham Silberschatz	The Storage and Retrieval of Continuous Media Data.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Manish Arya, William F. Cody, Christos Faloutsos, Joel E. Richardson, Arthur Toya	Design and Implementation of QBISM, a 3D Medical Image Database System.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Venkat N. Gudivada, Vijay V. Raghavan, Kanonkluk Vanapipat	A Unified Approach to Data Modeling and Retrieval for a Class of Image Database Applications.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	Shahram Ghandeharizadeh	Stream-based Versus Structured Video Objects: Issues, Solutions, and Challenges.	Multimedia Database System: Issues and Research Direction	1996	DBLP BibTeX RDF
2	P. Bruce Berra, Kingsley C. Nwosu, Bhavani M. Thuraisingham	ACM Multimedia '94 Conference Workshop on Multimedia Database Management Systems.	SIGMOD Record	1995	DBLP DOI BibTeX RDF
2	Arif Ghafoor	Multimedia Database Management: Perspectives and Challenges.	BNCOD	1995	DBLP DOI BibTeX RDF
1	Adrien Depeursinge, Alejandro Vargas, Alexandra Platon, Antoine Geissbühler, Pierre-Alexandre Poletti, Henning Müller	Building a reference multimedia database for interstitial lung diseases.	Comp. Med. Imag. and Graph.	2012	DBLP DOI BibTeX RDF
1	Dong-Joo Park, Dong-Ho Lee	Spy-Tec+ : an Integrated Index Structure for k-Nearest Neighbor Queries with Semantic Predicates in Multimedia Database.	International Journal of Software Engineering and Knowledge Engineering	2011	DBLP DOI BibTeX RDF
1	Chien Yu, Teri Brandenburg	Multimedia Database Applications: Issues and Concerns for Classroom Teaching	CoRR	2011	DBLP BibTeX RDF
1	Cosmin Stoica Spahiu	Testing the Performance of a Multimedia Database System.	IJCSA	2011	DBLP BibTeX RDF
1	Cosmin Stoica Spahiu	Concurency control for a Multimedia Database System.	FedCSIS	2011	DBLP BibTeX RDF
1	Samir Saad, Bechara al Bouna, Richard Chbeir	Privacy preserving via tree augmented naïve Bayesian classifier in multimedia database.	MEDES	2011	DBLP DOI BibTeX RDF
1	Fabio Pittarello, Riccardo Stecca	Mapping Physical Objects to Digital Functions: A Tangible Interface for Querying and Navigating a Multimedia Database.	DEXA Workshops	2011	DBLP DOI BibTeX RDF
1	Cosmin Stoica Spahiu	A Multimedia Database Server: Implementation and Functions.	IJCSA	2010	DBLP BibTeX RDF
1	Xianping Fu, YuGang Men, GuoLiang Yuan	A Multimedia Database Application for Vehicle Surveillance System.	DBTA	2010	DBLP DOI BibTeX RDF
1	Cosmin Stoica Spahiu	Analyzes of the processing performances of a Multimedia Database.	IMCSIT	2010	DBLP BibTeX RDF
1	Qing Li, Na Li, Liping Wang 0002, Xiaoping Sun	A new semantic model with applications in a multimedia database system.	Concurrency and Computation: Practice and Experience	2009	DBLP DOI BibTeX RDF
1	Cosmin Stoica Spahiu	A multimedia database server for information storage and querying.	IMCSIT	2009	DBLP DOI BibTeX RDF
1	Donna L. Hudson, Maurice E. Cohen	The Electronic Medical Record: A Temporal Multimedia Database.	SEDE	2009	DBLP BibTeX RDF
1	Shuichi Kurabayashi, Taichi Ueno, Yasushi Kiyoki	A Context-Based Whole Video Retrieval System with Dynamic Video Stream Analysis Mechanisms.	ISM	2009	DBLP DOI BibTeX RDF	video search engine, context-computing, video stream analysis, query language, multimedia database
1	Jialie Shen, John Shepherd, Bin Cui, Kian-Lee Tan	A novel framework for efficient automated singer identification in large music databases.	ACM Trans. Inf. Syst.	2009	DBLP DOI BibTeX RDF	singer identification, classification, evaluation, EM algorithm, statistical modeling, Gaussian mixture models, Music retrieval
1	Sujeet Pradhan, Nimit Pattanasri	Two-Dimensional Retrieval in Synchronized Media Streams.	DASFAA	2009	DBLP DOI BibTeX RDF	comprehensive multimedia databases, multiple synchronized media streams, 2D information retrieval model
1	Murat Koyuncu	Fuzzy Querying in Intelligent Information Systems.	FQAS	2009	DBLP DOI BibTeX RDF	Database, fuzziness, rule-based system, fuzzy querying
1	Maciej Suchomski	Format independence provision of audio and video data in multimedia database management systems.		2008	RDF
1	Maciej Suchomski, Klaus Meyer-Wegener	Format independence of audio and video in multimedia database systems.	IJIIDS	2008	DBLP DOI BibTeX RDF
1	Mario Döller, Harald Kosch	The MPEG-7 Multimedia Database System (MPEG-7 MMDB).	Journal of Systems and Software	2008	DBLP DOI BibTeX RDF
1	Onur Kucuktunc, Muhammet Bastan, Ugur Güdükbay, Özgür Ulusoy	Bilkent University Multimedia Database Group at TRECVID 2008.	TRECVID	2008	DBLP BibTeX RDF
1	Liana Stanescu, Dumitru Dan Burdescu, Cosmin Stoica Spahiu, Anca Ion, Dorin Stanescu	Using a Complex Numerical and Multimedia Database in Internal Medicine - Pre-release Evaluations.	HEALTHINF	2008	DBLP BibTeX RDF
1	Sujal Subhash Wattamwar, Hiranmay Ghosh	Spatio-temporal query for multimedia databases.	MS	2008	DBLP DOI BibTeX RDF	multimedia query language, spatio-temporal relation, fuzzy logic, multimedia database
1	Eduardo Valle, Matthieu Cord, Sylvie Philipp-Foliguet	High-dimensional descriptor indexing for large multimedia databases.	CIKM	2008	DBLP DOI BibTeX RDF	document identification, high-dimensional data indexing, image retrieval, near-duplicate detection, copy detection, local descriptors, k nearest neighbors search
1	Anne-Marie Tousch, Stéphane Herbin, Jean-Yves Audibert	Semantic lattices for multiple annotation of images.	Multimedia Information Retrieval	2008	DBLP DOI BibTeX RDF	classification and regression with ontology prior, hierarchical outputs, multilabel classification, outputs with confidence levels, probabilistic outputs, semantic lattices, image annotation, image indexing, multiclass classification, concept ontology
1	Pedro Henrique Bugatti, Agma J. M. Traina, Caetano Traina Jr.	Assessing the best integration between distance-function and image-feature to answer similarity queries.	SAC	2008	DBLP DOI BibTeX RDF	feature extraction, content-based image retrieval, distance function
1	Paul Mullins, Daniel Borsch	Sharing courses: the CS & IT capstone experience.	SIGITE Conference	2008	DBLP DOI BibTeX RDF	cs curriculum, interdisciplinary software engineering course, it curriculum, project course
1	Archana M. Rajurkar, R. C. Joshi, Santanu Chaudhary	Video Content Description Using Fuzzy Spatio-temporal Relations.	HICSS	2008	DBLP DOI BibTeX RDF
1	Marcin Kwietniewski, Stephanie Wilson, Anna Topol, Sunbir Gill, Jarek Gryz, Michael Jenkin, Piotr Jasiobedzki, Ho-Kong Ng	MED: A Multimedia Event Database for 3D Crime Scene Representation and Analysis.	ICDE	2008	DBLP DOI BibTeX RDF
1	Jeremy Philippeau, Julien Pinquier, Philippe Joly, Jean Carrive	Dynamic organization of audiovisual database using a user-defined similarity measure based on low-level features.	ICIP	2008	DBLP DOI BibTeX RDF
1	Shih-Hsi Liu, Yu Cao, Ming Li, Pranay Kilaru, Thell Smith, Shaen Toner	A Semantics- and Data-Driven SOA for Biomedical Multimedia Systems.	ISM	2008	DBLP DOI BibTeX RDF
1	Liana Stanescu, Dumitru Dan Burdescu, Gabriel Mihai, Cosmin Stoica Spahiu, Anca Ion	Access Modalities to an Imagistic Library for Medical e-Learning.	ECDL	2008	DBLP DOI BibTeX RDF	imagistic library, topic map, texture feature, semantic query, color feature, content-based visual query
1	Liana Stanescu, Dumitru Dan Burdescu, Gabriel Mihai, Anca Ion, Cosmin Stoica Spahiu	Topic Map for Medical E-Learning.	IDC	2008	DBLP DOI BibTeX RDF
1	Liana Stanescu, Dumitru Dan Burdescu, Gabriel Mihai, Anca Ion, Cosmin Stoica Spahiu	Medical Imagistic Database Query for Educational Purpose.	WBL	2008	DBLP DOI BibTeX RDF	medical e-learning, topic maps, texture feature, color feature, medical image database, content-based visual query
1	Efstathios Onasoglou, Petros Daras	Semantic force relevance feedback, content-free 3D object retrieval and annotation propagation: bridging the gap and beyond.	Multimedia Tools Appl.	2008	DBLP DOI BibTeX RDF	Semantic propagation, Clustering, Relevance feedback
1	Omara Abdul Hamid, Muhammad Abdul Qadir, Nadeem Iftikhar, Mohib ur Rehman, Mobin Uddin Ahmed, Imran Ihsan	Generic Multimedia Database Architecture Based upon Semantic Libraries.	Informatica, Lith. Acad. Sci.	2007	DBLP BibTeX RDF
1	Jaime Gómez, José Luis Vicedo González	Next-Generation Multimedia Database Retrieval.	IEEE MultiMedia	2007	DBLP DOI BibTeX RDF
1	Ching-Nung Yang, Kun-Hsuan Yu, Rastislav Lukac	User-Friendly Image Sharing in Multimedia Database Using Polynomials with Different Primes.	MMM	2007	DBLP DOI BibTeX RDF
1	Hideyasu Sasaki, Yasushi Kiyoki	Frameworks for Intellectual Property Protection on Multimedia Database Systems.	EJC	2007	DBLP BibTeX RDF
1	Liana Stanescu, Dumitru Dan Burdescu, Marius Brezovan, Cosmin Stoica Spahiu	A Multimedia Database Management System for Medical Data.	SIGMAP	2007	DBLP BibTeX RDF
1	Fekade Getahun, Joe Tekli, Solomon Atnafu, Richard Chbeir	Towards Efficient Horizontal Multimedia Database Fragmentation using Semantic-based Predicates Implication.	SBBD	2007	DBLP BibTeX RDF
1	Vincent S. Tseng, Ja-Hwung Su, Wei-Jyun Huang	FCBIR: A Fuzzy Matching Technique for Content-Based Image Retrieval.	IFSA	2007	DBLP DOI BibTeX RDF	data mining, content-based image retrieval, fuzzy set, multimedia database, fuzzy search
1	Yu-lung Lo, Chun-Hsiung Wang	Hybrid Multi-Feature Indexing for Music Data Retrieval.	ACIS-ICIS	2007	DBLP DOI BibTeX RDF