Semantic Keyword-based Search on Structured Data Sources [electronic resource] : First COST Action IC1302 International KEYSTONE Conference, IKC 2015, Coimbra, Portugal, September 8-9, 2015. Revised Selected Papers / edited by Jorge Cardoso, Francesco Guerra, Geert-Jan Houben, Alexandre Miguel Pinto, Yannis Velegrakis.

Recommending Web Pages using Item-based Collaborative Filtering Approaches -- Processing Keyword Queries under Access Limitations -- Balanced Large Scale Knowledge Matching Using LSH Forest -- Improving css-KNN Classification Performance by Shifts in Training Data. Classification using various ML Methods and Combinations of Key-Phrases and Visual Features -- Mining Workflow Repositories for Improving Fragments Reuse -- Agile DBLP: A Search-based Mobile Application for Structured Digital Libraries -- Support of Part-whole Relations in Query Answering -- Key-Phrases as Means to Estimate Birth and Death Years of Jewish Text Authors -- Professional Collaborative Information Seeking: On Traceability and Creative Sensemaking -- Visualization of Uncertain Information in Tag Clouds -- Multimodal Image Retrieval Based on Keywords and Low-level Image Features -- Toward Optimized Multimodal Concept Indexing -- Semantic URL Analytics to Support Efficient Annotation of Large Scale Web Archives -- Indexing of textual databases based on lexical resources: A case study for Serbian -- Domain-specific modeling: Towards a Food and Drink Gazetteer -- Analysing Entity Context in Multilingual Wikipedia to Support Entity-Centric Retrieval Applications.