Search results for "lexicon"

Hits ?▲	Authors	Title	Venue	Year	Link
12	An Long Doan, Son T. Luu	Improving Sentiment Analysis By Emotion Lexicon Approach on Vietnamese Texts.	CoRR	2022	DBLP DOI BibTeX RDF
12	Zhoujin Tian, Chaozhuo Li, Shuo Ren, Zhiqiang Zuo 0004, Zengxuan Wen, Xinyue Hu, Xiao Han, Haizhen Huang, Denvy Deng, Qi Zhang, Xing Xie 0001	RAPO: An Adaptive Ranking Paradigm for Bilingual Lexicon Induction.	CoRR	2022	DBLP DOI BibTeX RDF
12	Shirley Anugrah Hayati, Kyumin Park, Dheeraj Rajagopal, Lyle H. Ungar, Dongyeop Kang	StyLEx: Explaining Styles with Lexicon-Based Human Perception.	CoRR	2022	DBLP DOI BibTeX RDF
12	Anna Di Natale, David García 0001	LEXpander: applying colexification networks to automated lexicon expansion.	CoRR	2022	DBLP DOI BibTeX RDF
12	Lalita Kumari, Sukhdeep Singh, Vaibhav Varish Singh Rathore, Anuj Sharma	Lexicon and Attention based Handwritten Text Recognition System.	CoRR	2022	DBLP DOI BibTeX RDF
12	Hazel Kim, Jaeman Son, Yo-Sub Han	LST: Lexicon-Guided Self-Training for Few-Shot Text Classification.	CoRR	2022	DBLP BibTeX RDF
12	Oscar Araque, Lorenzo Gatti, Kyriaki Kalimeri	LibertyMFD: A Lexicon to Assess the Moral Foundation of Liberty.	CoRR	2022	DBLP DOI BibTeX RDF
12	Cong Zhang, Huinan Zeng, Huang Liu, Jiewen Zheng	Applying Feature Underspecified Lexicon Phonological Features in Multilingual Text-to-Speech.	CoRR	2022	DBLP DOI BibTeX RDF
12	Brendon Boldt, David Mortensen	Mathematically Modeling the Lexicon Entropy of Emergent Language.	CoRR	2022	DBLP DOI BibTeX RDF
12	Aliette Lochy, Christine Schiltz	An input lexicon for familiar numbers.	J. Numer. Cogn.	2022	DBLP DOI BibTeX RDF
12	Minghui Huang, Haoran Xie 0001, Yanghui Rao, Yuwei Liu, Leonard K. M. Poon, Fu Lee Wang	Lexicon-Based Sentiment Convolutional Neural Networks for Online Review Analysis.	IEEE Trans. Affect. Comput.	2022	DBLP DOI BibTeX RDF
12	Oscar Araque, Lorenzo Gatti, Jacopo Staiano, Marco Guerini	DepecheMood++: A Bilingual Emotion Lexicon Built Through Simple Yet Powerful Techniques.	IEEE Trans. Affect. Comput.	2022	DBLP DOI BibTeX RDF
12	Jiwei Ding, Wei Hu 0007, Xin Yu, Yuzhong Qu	An empirical study of representing adjectives over knowledge bases: Approach, lexicon and application.	J. Web Semant.	2022	DBLP DOI BibTeX RDF
12	Ignacio Martín Borregón Musso, Marina Bagic Babac	Opinion mining of online product reviews using a lexicon-based algorithm.	Int. J. Data Anal. Tech. Strateg.	2022	DBLP DOI BibTeX RDF
12	Marina Bagic Babac, Ignacio Martín Borregón Musso	Opinion mining of online product reviews using a lexicon-based algorithm.	Int. J. Data Anal. Tech. Strateg.	2022	DBLP DOI BibTeX RDF
12	Ran Li, Yuanfei Zhang, Lihua Yin, Zhe Sun, Zheng Lin 0001, Peng Fu 0008, Weiping Wang 0005, Gang Shi	EmoMix+: An Approach of Depression Detection Based on Emotion Lexicon for Mobile Application.	Secur. Commun. Networks	2022	DBLP DOI BibTeX RDF
12	Lu Ren, Bo Xu 0009, Hongfei Lin, Jinhui Zhang, Liang Yang 0003	An attention network via pronunciation, lexicon and syntax for humor recognition.	Appl. Intell.	2022	DBLP DOI BibTeX RDF
12	Robbert De Troij, Stefan Grondelaers, Dirk Speelman, Antal van den Bosch	Lexicon or grammar? Using memory-based learning to investigate the syntactic relationship between Belgian and Netherlandic Dutch.	Nat. Lang. Eng.	2022	DBLP DOI BibTeX RDF
12	Sergio Consoli, Luca Barbaglia, Sebastiano Manzan	Fine-grained, aspect-based sentiment analysis on economic and financial lexicon.	Knowl. Based Syst.	2022	DBLP DOI BibTeX RDF
12	Mengjuan Zha, Changping Hu, Yu Shi	Sentiment lexicon construction for Chinese book reviews based on ultrashort reviews.	Electron. Libr.	2022	DBLP DOI BibTeX RDF
12	Claudia Lanza, Antonietta Folino, Erika Pasceri, Anna Perri	Lexicon of pandemics: a semantic analysis of the Spanish flu and the Covid-19 timeframe terminology.	J. Documentation	2022	DBLP DOI BibTeX RDF
12	Kristína Machová, Marián Mach, Kamil Adamisín	Machine Learning and Lexicon Approach to Texts Processing in the Detection of Degrees of Toxicity in Online Discussions.	Sensors	2022	DBLP DOI BibTeX RDF
12	Wei-Chung Shia, Fang-Rong Hsu, Seng-Tong Dai, Shih-Lin Guo, Dar-Ren Chen	Semantic Segmentation of the Malignant Breast Imaging Reporting and Data System Lexicon on Breast Ultrasound Images by Using DeepLab v3+.	Sensors	2022	DBLP DOI BibTeX RDF
12	Tarique Anwar, Matthew Fuller-Tyszkiewicz, Hannah K. Jarman, Mohammad Abuhassan, Adrian Shatte, WIRED Team, Suku Sukunesan	EDBase: Generating a Lexicon Base for Eating Disorders Via Social Media.	IEEE J. Biomed. Health Informatics	2022	DBLP DOI BibTeX RDF
12	Liqin Wang, Dinah Foer, Erin MacPhaul, Ying-Chih Lo, David W. Bates, Li Zhou 0007	PASCLex: A comprehensive post-acute sequelae of COVID-19 (PASC) symptom lexicon derived from electronic health record clinical notes.	J. Biomed. Informatics	2022	DBLP DOI BibTeX RDF
12	Aiqi Jiang, Xiaohan Yang, Yang Liu 0206, Arkaitz Zubiaga	SWSR: A Chinese dataset and lexicon for online sexism detection.	Online Soc. Networks Media	2022	DBLP DOI BibTeX RDF
12	Kia Dashtipour, Mandar Gogate, Alexander F. Gelbukh, Amir Hussain 0001	Extending persian sentiment lexicon with idiomatic expressions for sentiment analysis.	Soc. Netw. Anal. Min.	2022	DBLP DOI BibTeX RDF
12	Torge Huckhagel, Christine Stadelmann, Tammam Abboud, Christian Riedel	Determining the applicability of the RSNA radiology lexicon (RadLex) in high-grade glioma MRI reporting - a preliminary study on 20 consecutive cases with newly diagnosed glioblastoma.	BMC Medical Imaging	2022	DBLP DOI BibTeX RDF
12	Kaitlin De Chastelain Finnigan, Fahim Anzum, Jon G. Rokne, Marina L. Gavrilova	Weighted Lexicon-based Sentiment Analysis for Women Career Traits in Information Technology.	ICCI*CC	2022	DBLP DOI BibTeX RDF
12	Marco Polignano, Giuseppe Colavito, Cataldo Musto, Marco de Gemmis, Giovanni Semeraro	Lexicon Enriched Hybrid Hate Speech Detection with Human-Centered Explanations.	UMAP (Adjunct Publication)	2022	DBLP DOI BibTeX RDF
12	Mutian He 0001, Jingzhou Yang, Lei He 0005, Frank K. Soong	Neural Lexicon Reader: Reduce Pronunciation Errors in End-to-end TTS by Leveraging External Textual Knowledge.	INTERSPEECH	2022	DBLP DOI BibTeX RDF
12	Liam Lonergan, Mengjie Qian, Neasa Ní Chiaráin, Christer Gobl, Ailbhe Ní Chasaide	Cross-dialect lexicon optimisation for an endangered language ASR system: the case of Irish.	INTERSPEECH	2022	DBLP DOI BibTeX RDF
12	Zhongwei Li, Bing Guo, Yuchuan Hu, Qin Zheng, Xinhua Suo	BERT-Based Chinese NER with Lexicon and Position Enhanced Information Adapter.	HPCC/DSS/SmartCity/DependSys	2022	DBLP DOI BibTeX RDF
12	Min-Jeong Gu, Shin-Gak Kang	A Study on the improvement of chinese automatic speech recognition accuracy using a lexicon.	ICAIIC	2022	DBLP DOI BibTeX RDF
12	Izabela Müller, Nuno J. Mamede, Jorge Baptista	Bootstrapping a Lexicon of Multiword Adverbs for Brazilian Portuguese.	Europhras	2022	DBLP DOI BibTeX RDF
12	Luyao Shi, Tanveer F. Syeda-Mahmood, Tyler Baldwin	Improving Neural Models for Radiology Report Retrieval with Lexicon-based Automated Annotation.	NAACL-HLT	2022	DBLP DOI BibTeX RDF
12	Bo-Shau Lin, Jian-He Chen, Tao-Hsing Chang	NERVE at ROCLING 2022 Shared Task: A Comparison of Three Named Entity Recognition Frameworks Based on Language Model and Lexicon Approach.	ROCLING	2022	DBLP BibTeX RDF
12	Lihua Cai, Yujue Zhou, Yulong Ding, Jie Jiang 0011, Shuang-Hua Yang	Utilizing Lexicon-enhanced Approach to Sensitive Information Identification.	ICAC	2022	DBLP DOI BibTeX RDF
12	Michael Zock, Emmanuele Chersoni, Yu-Yin Hsu, Enrico Santus (eds.)	Proceedings of the Workshop on Cognitive Aspects of the Lexicon, CogALex@AACL/IJCNLP, Taipei, Taiwan, November 20, 2022	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Junho Lee, Jaeseo Lim, Jooyong Park, Cheong-Tag Kim	Emotion Evaluator: Expanding the Affective Lexicon with Neural Network Model.	CogSci	2022	DBLP BibTeX RDF
12	Qingyu Wang, Guokai Sun, Jianguo Sun, Yuan Zhuang, Lu Li, Tianyi Gao	Lexicon-matched Word Injection for Chinese NER.	MLMI	2022	DBLP DOI BibTeX RDF
12	Zhikun Yang, Shumin Shi, Junyu Tian, En Li, Heyan Huang	LACNNER: Lexicon-Aware Character Representation for Chinese Nested Named Entity Recognition.	ICSI (2)	2022	DBLP DOI BibTeX RDF
12	Yinlong Xiao, Jianqiang Li 0002, Qing Zhao 0005, Qing Zhu, Yu-Chih Wei	Enhancing Chinese Medical Named Entity Recognition with Auto-Mined Lexicon.	SMC	2022	DBLP DOI BibTeX RDF
12	Francisco Supino Marcondes, Maria Araújo Barbosa, Ricardo Queiroz, Luis Brito, Adelino Gala, Dalila Durães	MentaLex: A Mental Processes Lexicon Based on the Essay Dataset.	SGAI Conf.	2022	DBLP DOI BibTeX RDF
12	Jingsheng Zhao, Mingyu Cui, Xiang Gao, Shuai Yan, Qihui Ni	Chinese Named Entity Recognition Based on BERT and Lexicon Enhancement.	RICAI	2022	DBLP DOI BibTeX RDF
12	David L. John, Bela Stantic	Machine Learning or Lexicon Based Sentiment Analysis Techniques on Social Media Posts.	ACIIDS (2)	2022	DBLP DOI BibTeX RDF
12	Hyewon Jang	Lexicon-Based Profiling of Irony and Stereotype Spreaders.	CLEF (Working Notes)	2022	DBLP BibTeX RDF
12	Sattam Almatarneh, Israa Abdullah Almatarneh, Ghassan Samara, Mohammad Aljaidi, Amneh Alamleh, Aref Abuawad	Polarity Classification of Hotel Reviews: Lexicon-Based Method.	ACIT	2022	DBLP DOI BibTeX RDF
12	Mara Deac-Petrusel	A Lexicon-based Collaborative Filtering Approach for Recommendation Systems.	ICAART (3)	2022	DBLP DOI BibTeX RDF
12	Zihao Feng, Hailong Cao, Tiejun Zhao, Weixuan Wang, Wei Peng	Cross-lingual Feature Extraction from Monolingual Corpora for Low-resource Unsupervised Bilingual Lexicon Induction.	COLING	2022	DBLP BibTeX RDF
12	Donglin Yang, Huifan Yang, Bin Wu 0001	TsERL: Two-stage Enhancement of Radical and Lexicon for Chinese Medical Named Entity Recognition.	BIBM	2022	DBLP DOI BibTeX RDF
12	Oscar Araque, Lorenzo Gatti, Kyriaki Kalimeri	LibertyMFD: A Lexicon to Assess the Moral Foundation of Liberty.	GoodIT	2022	DBLP DOI BibTeX RDF
12	Yaoyiran Li, Fangyu Liu 0001, Ivan Vulic, Anna Korhonen	Improving Bilingual Lexicon Induction with Cross-Encoder Reranking.	EMNLP (Findings)	2022	DBLP DOI BibTeX RDF
12	Kelly Marchisio, Ali Saad-Eldin, Kevin Duh, Carey E. Priebe, Philipp Koehn	Bilingual Lexicon Induction for Low-Resource Languages using Graph Matching via Optimal Transport.	EMNLP	2022	DBLP DOI BibTeX RDF
12	Zhoujin Tian, Chaozhuo Li, Shuo Ren, Zhiqiang Zuo 0004, Zengxuan Wen, Xinyue Hu, Xiao Han, Haizhen Huang, Denvy Deng, Qi Zhang, Xing Xie 0001	RAPO: An Adaptive Ranking Paradigm for Bilingual Lexicon Induction.	EMNLP	2022	DBLP DOI BibTeX RDF
12	Angel Daza, Antske Fokkens, Tomaz Erjavec	Dealing with Abbreviations in the Slovenian Biographical Lexicon.	EMNLP	2022	DBLP DOI BibTeX RDF
12	Houxing Ren, Linjun Shou, Jian Pei, Ning Wu, Ming Gong, Daxin Jiang	Lexicon-Enhanced Self-Supervised Training for Multilingual Dense Retrieval.	EMNLP (Findings)	2022	DBLP DOI BibTeX RDF
12	Jing Chen, Emmanuele Chersoni, Chu-Ren Huang	Lexicon of Changes: Towards the Evaluation of Diachronic Semantic Shift in Chinese.	LChange@ACL	2022	DBLP DOI BibTeX RDF
12	Javi Fernández	A Supervised Approach for Sentiment Lexicon Generation using Word Skipgrams.	PLN-DS@SEPLN	2022	DBLP BibTeX RDF
12	Suong N. Hoang, Binh T. Nguyen 0001, Nam P. Nguyen, Son T. Luu, Hieu T. Phan, Hien D. Nguyen 0002	Enhanced Task-based Knowledge for Lexicon-based Approach in Vietnamese Hate Speech Detection.	KSE	2022	DBLP DOI BibTeX RDF
12	Huidan Xu, Lijiao Yang	Construction and Application of a Large-Scale Chinese Abstractness Lexicon Based on Word Similarity.	NLPCC (2)	2022	DBLP DOI BibTeX RDF
12	Sergiu Limboi, Laura Diosan	A Lexicon-based Feature for Twitter Sentiment Analysis.	ICCP	2022	DBLP DOI BibTeX RDF
12	Kyriakos Skoularikis, Ilias K. Savvas, Georgia Garani, George Kakarontzas	Developing a Domain-Specific Lexicon for the Greek Language.	PCI	2022	DBLP DOI BibTeX RDF
12	Ian H. J. Ho, Hui-Ngo Goh, Yi-Fei Tan	Inducing a Malay Lexicon from an Unlabelled Dataset Using Word Embeddings.	IEA/AIE	2022	DBLP DOI BibTeX RDF
12	Sead Jahic, Jernej Vicic	Annotated Lexicon for Sentiment Analysis in Bosnian Language.	ALTNLP	2022	DBLP BibTeX RDF
12	Lalita Kumari, Sukhdeep Singh, Vaibhav Varish Singh Rathore, Anuj Sharma	A Lexicon and Depth-Wise Separable Convolution Based Handwritten Text Recognition System.	IVCNZ	2022	DBLP DOI BibTeX RDF
12	Mingjie Sun, Lisong Wang, Tianye Sheng, Zongfeng He, Yuhua Huang	Chinese Named Entity Recognition Using the Improved Transformer Encoder and the Lexicon Adapter.	ICANN (2)	2022	DBLP DOI BibTeX RDF
12	Matias Urbieta, Leandro Antonelli 0001, Javier Guerra, Gustavo Rossi	Tracing User Stories and Source Code Using the Language Extended Lexicon.	WorldCIST (2)	2022	DBLP DOI BibTeX RDF
12	Moonis Ali, Savvas Zannettou	Analyzing Antisemitism and Islamophobia using a Lexicon-based Approach.	ICWSM Workshops	2022	DBLP DOI BibTeX RDF
12	Shahd Dibas, Christian Khairallah, Nizar Habash, Omar Fayez Sadi, Tariq Sairafy, Karmel Sarabta, Abrar Ardah	Maknuune: A Large Open Palestinian Arabic Lexicon.	WANLP@EMNLP	2022	DBLP DOI BibTeX RDF
12	An Long Doan, Son T. Luu	Improving Sentiment Analysis By Emotion Lexicon Approach on Vietnamese Texts.	IALP	2022	DBLP DOI BibTeX RDF
12	Irene Murtagh, Víctor Ubieto Nogales, Josep Blat	Sign Language Machine Translation and the Sign Language Lexicon: A Linguistically Informed Approach.	AMTA	2022	DBLP BibTeX RDF
12	Jonas Waldendorf, Alexandra Birch, Barry Hadow, Antonio Valerio Micele Barone	Improving Translation of Out Of Vocabulary Words using Bilingual Lexicon Induction in Low-Resource Machine Translation.	AMTA	2022	DBLP BibTeX RDF
12	Leonel Figueiredo de Alencar, Lucas Ribeiro Coutinho, Wellington José Leite da Silva, Ana Luiza Nunes, Alexandre Rademaker	Extracting Valences from a Dependency Treebank for Populating the Verb Lexicon of a Portuguese HPSG Grammar.	PROPOR	2022	DBLP DOI BibTeX RDF
12	Delphine Bernhard, Pablo Ruiz Fabo	ELAL: An Emotion Lexicon for the Analysis of Alsatian Theatre Plays.	LREC	2022	DBLP BibTeX RDF
12	Veronika Kolárová, Anna Vernerová	NomVallex: A Valency Lexicon of Czech Nouns and Adjectives.	LREC	2022	DBLP BibTeX RDF
12	Flor Miriam Plaza del Arco, Ana Belén Parras Portillo, Pilar López-Úbeda, Beatriz Botella Gil, María Teresa Martín Valdivia	SHARE: A Lexicon of Harmful Expressions by Spanish Speakers.	LREC	2022	DBLP BibTeX RDF
12	Jennifer Weber, Eliana Colunga	Representing the Toddler Lexicon: Do the Corpus and Semantics Matter?	LREC	2022	DBLP BibTeX RDF
12	Ana-Maria Barbu, Verginica Barbu Mititelu, Catalin Mititelu	Aligning the Romanian Reference Treebank and the Valence Lexicon of Romanian Verbs.	LREC	2022	DBLP BibTeX RDF
12	Huixue Zhou, Robin Austin, Halil Kilicoglu, Sheng-Chieh Lu, Rui Zhang 0028	CIHLex: Complementary and Integrative Health Lexicon.	AMIA	2022	DBLP BibTeX RDF
12	Esther Félix, Nicolas Hernandez, Issam Rebaï	Exploring the Limits of Lexicon-based Natural Language Processing Techniques for Measuring Engagement and Predicting MOOC's Certification.	CSEDU (2)	2022	DBLP DOI BibTeX RDF
12	Kailan Zhang, Baopeng Zhang, Zhu Teng	Leveraging Graph to Improve Lexicon Enhanced Chinese Sequence Labelling.	PAAP	2022	DBLP DOI BibTeX RDF
12	Maria Chiara Martinis, Chiara Zucco, Mario Cannataro	An Italian lexicon-based sentiment analysis approach for medical applications.	BCB	2022	DBLP DOI BibTeX RDF
12	Samir de O. Ramos, Ronaldo R. Goldschmidt, Alex de V. Garcia	Social Bots Detection: A Method based on a Sentiment Lexicon Learned from Messages.	ICEIS (1)	2022	DBLP DOI BibTeX RDF
12	Ying Hao Lim, Jasy Suet Yan Liew	English-Malay Cross-Lingual Embedding Alignment using Bilingual Lexicon Augmentation.	ACL (student)	2022	DBLP DOI BibTeX RDF
12	Xinyi Wang, Sebastian Ruder, Graham Neubig	Expanding Pretrained Models to Thousands More Languages via Lexicon-based Adaptation.	ACL (1)	2022	DBLP DOI BibTeX RDF
12	Piroska Lendvai, Claudia Wick	Finetuning Latin BERT for Word Sense Disambiguation on the Thesaurus Linguae Latinae.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Giulia Rambelli, Emmanuele Chersoni, Philippe Blache, Alessandro Lenci	Compositionality as an Analogical Process: Introducing ANNE.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	De-ran Kong, Yu-Yin Hsu	(In)Alienable Possession in Mandarin Relative Clauses.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Mar Domínguez Orfila, Maite Melero Nogués, Gemma Boleda Torrent	CAT ManyNames: A New Dataset for Object Naming in Catalan.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Chen Long, Laura Kallmeyer, Rainer Osswald	A Frame-Based Model of Inherent Polysemy, Copredication and Argument Coercion.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Chenxin Liu, Emmanuele Chersoni	Exploring Nominal Coercion in Semantic Spaces with Static and Contextualized Word Embeddings.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Werner Winiwarter, Bartholomäus Wloka	VISCOSE - a Kanji Dictionary Enriched with VISual, COmpositional, and SEmantic Information.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Mohammad Momenian	Do Age of Acquisition and Orthographic Transparency Have the Same Effects in Different Modalities?	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Nora Hollenstein, Itziar Gonzalez-Dios, Lisa Beinborn, Lena A. Jäger	Patterns of Text Readability in Human and Predicted Eye Movements.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Fatemah Almeman, Luis Espinosa Anke	Putting WordNet's Dictionary Examples in the Context of Definition Modelling: An Empirical Analysis.	CogALex@AACL/IJCNLP	2022	DBLP BibTeX RDF
12	Panpan Li, Mengxiang Wang, Jian Wang	Named entity translation method based on machine translation lexicon.	Neural Comput. Appl.	2021	DBLP DOI BibTeX RDF
12	Rini Wijayanti, Andria Arisal	Automatic Indonesian Sentiment Lexicon Curation with Sentiment Valence Tuning for Social Media Sentiment Analysis.	ACM Trans. Asian Low Resour. Lang. Inf. Process.	2021	DBLP DOI BibTeX RDF
12	Jiawen Shi, Hong Li, Chiyu Wang, Zhicheng Pang, Jiale Zhou	Pseudo-siamese networks with lexicon for Chinese short text matching.	J. Intell. Fuzzy Syst.	2021	DBLP DOI BibTeX RDF
12	Euisung Jung, Hemant K. Jain 0001, Atish P. Sinha, Carmelo Gaudioso	Building a specialized lexicon for breast cancer clinical trial subject eligibility analysis.	Health Informatics J.	2021	DBLP DOI BibTeX RDF