Table of Contents International Journal on Semantic Web and Information Systems Volume 14 • Issue 2 • April-June-2018 • ISSN: 1552-6283 • eISSN: 1552-6291 An official publication of the Information Resources Management Association Research Articles 1 Rapid Relevance Feedback Strategy Based on Distributed CBIR System; Jianxin Liao, Beijing University of Posts and Telecommunications, Beijing, China baoran li, Beijing University of Posts and Telecommunications, Beijing, China Jingyu Wang, Beijing University of Posts and Telecommunications, Beijing, China Qi Qi, Beijing University of Posts and Telecommunications, Beijing, China Jing Wang, Beijing University of Posts and Telecommunications, Beijing, China Tonghong Li, Technical University of Madrid, Madrid, Spain 27 Using the Linked Data Approach in European e-Government Systems: Example from Serbia; Valentina Janev, The Mihajlo Pupin Institute, University of Belgrade, Belgrade, Serbia Vuk Mijović, The Mihajlo Pupin Institute, University of Belgrade, Belgrade, Serbia Sanja Vraneš, The Mihajlo Pupin Institute, University of Belgrade, Belgrade, Serbia 47 N-Dimensional Matrix-Based Ontology: A Novel Model to Represent Ontologies; Ahmad A. Kardan, Department of Computer Engineering and Information Technology, Amirkabir University of Technology, Tehran, Iran Hamed Jafarpour, Department of Computer Engineering and Information Technology, Amirkabir University of Technology, Tehran, Iran 70 On the Graph Structure of the Web of Data; Alberto Nogales Moyano, Alcalá University, Alcalá de Henares, Spain Miguel Angel Sicilia, Alcalá University, Alcalá de Henares, Spain Elena Garcia Barriocanal, Alcalá University, Alcalá de Henares, Spain 86 Named Data Networking: A Promising Architecture for the Internet of Things (IoT); Maroua Meddeb, LAAS-CNRS, University of Toulouse, Toulouse, France Amine Dhraief, HANA Research Laboratory, University of Manouba, Manouba, Tunisia Abdelfettah Belghith, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia Thierry Monteil, LAAS-CNRS, University of Toulouse, Toulouse, France Khalil Drira, LAAS-CNRS, University of Toulouse, Toulouse, France Saad Al-Ahmadi, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia 113 Time-Based Web Service Composition; Fella Bey, USTHB University, Bab Ezzouar, Algeria Samia Bouyakoub, USTHB University, Bab Ezzouar, Algeria Abdelkader Belkhir, USTHB University, Bab Ezzouar, Algeria 138 Study on Ontology Ranking Models Based on the Ensemble Learning; Liu Jie, College of Information Engineering, Capital Normal University, Beijing, China & Beijing Advanced Innovation Center for Imaging Technology, Capital Normal University, Beijing, China Yuan Kerou, College of Information Engineering, Capital Normal University, Beijing, China Zhou Jianshe, Beijing Advanced Innovation Center for Imaging Technology, Capital Normal University, Beijing, China Shi Jinsheng, Beijing Advanced Innovation Center for Imaging Technology, Capital Normal University, Beijing, China 162 Managing QoS Degradation of Component Web Services in a Dynamic Environment; Navinderjit Kaur Kahlon, Department of Computer Science, Guru Nanak Dev University, Amritsar, India Kuljit Kaur Chahal, Department of Computer Science, Guru Nanak Dev University, Amritsar, India Sukhleen Bindra Narang, Department of Electronics Technology, Guru Nanak Dev University, Amritsar, India Copyright The International Journal on Semantic Web and Information Systems (IJSWIS) (ISSN 1552-6283; eISSN 1552-6291), Copyright © 2018 IGI Global. All rights, including translation into other languages reserved by the publisher. No part of this journal may be reproduced or used in any form or by any means without written permission from the publisher, except for noncommercial, educational use including classroom teaching purposes. Product or company names used in this journal are for identification purposes only. Inclusion of the names of the products or companies does not indicate a claim of ownership by IGI Global of the trademark or registered trademark. The views expressed in this journal are those of the authors but not necessarily of IGI Global. The International Journal on Semantic Web and Information Systems is indexed or listed in the following: ACM Digital Library; Bacon’s Media Directory; Burrelle’s Media Directory; Cabell’s Directories; Compendex (Elsevier Engineering Index); CSA Illumina; Current Contents®/Engineering, Computing, & Technology; DBLP; DEST Register of Refereed Journals; Gale Directory of Publications & Broadcast Media; GetCited; Google Scholar; INSPEC; JournalTOCs; Library & Information Science Abstracts (LISA); MediaFinder; Norwegian Social Science Data Services (NSD); SCOPUS; The Index of Information Systems Journals; The Standard Periodical Directory; Ulrich’s Periodicals Directory; Web of Science; Web of Science Science Citation Index Expanded (SCIE).