Crowdsourcing and Recommendation.- Querying the Web Graph.- Incremental Algorithms for Effective and Efficient Query Recommendation.- Fingerprinting Ratings for Collaborative Filtering — Theoretical and Empirical Analysis.- On Tag Spell Checking.- Indexes and Compressed Indexes.- Compressed Self-indices Supporting Conjunctive Queries on Document Collections.- String Retrieval for Multi-pattern Queries.- Colored Range Queries and Document Retrieval.- Range Queries over Untangled Chains.- Theory.- Multiplication Algorithms for Monge Matrices.- Why Large Closest String Instances Are Easy to Solve in Practice.- A PTAS for the Square Tiling Problem.- On the Hardness of Counting and Sampling Center Strings.- String Algorithms I.- Counting and Verifying Maximal Palindromes.- Identifying SNPs without a Reference Genome by Comparing Raw Reads.- Dynamic Z-Fast Tries.- Improved Fast Similarity Search in Dictionaries.- Compression.- Training Parse Trees for Efficient VF Coding.- Algorithms for Finding a Minimum Repetition Representation of a String.- Faster Compressed Dictionary Matching.- Relative Lempel-Ziv Compression of Genomes for Large-Scale Storage and Retrieval.- Querying and Search User Experience.- Standard Deviation as a Query Hardness Estimator.- Using Related Queries to Improve Web Search Results Ranking.- Evaluation of Query Performance Prediction Methods by Range.- Mining Large Query Induced Graphs towards a Hierarchical Query Folksonomy.- String Algorithms II.- Finite Automata Based Algorithms for the Generalized Constrained Longest Common Subsequence Problems.- Restricted LCS.- Extracting Powers and Periods in a String from Its Runs Structure.- On Shortest Common Superstring and Swap Permutations.- Document Analysis and Comparison.- A Self-Supervised Approach for Extraction of Attribute-Value Pairs from Wikipedia Articles.- Temporal Analysis of Document Collections: Framework and Applications.- Text Comparison Using Soft Cardinality.- Hypergeometric Language Model and Zipf-Like Scoring Function for Web Document Similarity Retrieval.- Compressed Indexes.- Dual-Sorted Inverted Lists.- CST++.- Succinct Representations of Dynamic Strings.- Computing Matching Statistics and Maximal Exact Matches on Compressed Full-Text Indexes.- The Gapped Suffix Array: A New Index Structure for Fast Approximate Matching.- String Matching.- Parameterized Searching with Mismatches for Run-Length Encoded Strings.- Fast Bit-Parallel Matching for Network and Regular Expressions.- String Matching with Variable Length Gaps.- Approximate String Matching with Stuck Address Bits.- Erratum.- Erratum to: Range Queries over Untangled Chains.