Preface.- Enhancing Software Search with Semantic Information from Wikipedia.- Using Semantic Technology to Improve Recommender Systems Based on Slope One.- Finding, Extracting and Building Academic Linked Data.- Proactive Recommendation Based on EL Concept Learning.- Impact of Multimedia in Sina Weibo: Popularity and Life Span.- Ontology based Model and Procedure Creation for Topic Analysis.- On the Temporal Dynamics of Influence on the Social Semantic Web.- A Detailed Analysis of the Quality of Stream-Based Schema Construction on Linked Open Data.- Building Large Scale Knowledge Base for Relationships from Text.- Co-mention and Context Based Entity Linking.- An Approach of Text Sentiment Analysis for Public Opinion Monitoring System.- Music Recommendation Based on Label Correlation.- Inferring Public and Private Topics for Similar Events.- SemreX: A Semantic Association based Scientific Literature Sharing System.- Consequence Based Procedure for Description Logics with Self Restriction.- SAPOP: Semi-automatic Framework for Practical Ontology Population from Structured Knowledge Bases.- Exploring Information Flow Patterns between News Portals and Micro-blogging Platforms.- A Two-Step Non-redundant Subspace Clustering.- Exploiting Ontologiesto Rank Relationships between Patents.- Search Results Diversification Based on Swap Minimal Marginal Contribution.- Who are we talking about? Identifying Scientific Populations Online.- Study of Ontology Debugging Approaches based on the Criterion Set BLUEI2CI.- NJVR: The NanJing Vocabulary Repository.- Visualizing RDF Data Profile with UML Diagram.- Empirical Study of POI-oriented Focused Crawler.- Semantic Word Similarity Learned from Heterogeneous Knowledge Bases.- A Workload-based Partitioning Scheme for Parallel RDF Data Processing.- Chinese Micro Blog Sentiment Analysis Based on Semi-supervised Learning.- Lexicon-based Sentiment Analysis on Topical Chinese Microblog Messages.- Research on Indexing Page Collection Selection Method for Search Engine.- The Chinese Bag-of-Opinions Method for Hot-Topic-Oriented Sentiment Analysis on Weibo.- A Semantic-Driven Music Recommendation Model for Digital Photo Albums.- The DReW System for Nonmonotonic DL-Programs.- Accessing Information about Linked Data Vocabularies with vocab.cc.- Qualitative Cognition for Uncertainty Knowledge Using Cloud Model.