Contextualized query expansion via unsupervised chunk selection for text retrieval
Zhi Zheng, Kai-Lung Hui, Ben He, Xianpei Han, Le Sun, Andrew Yates
Topics & Concepts
Ranking (information retrieval)Computer scienceQuery expansionSelection (genetic algorithm)Language modelInformation retrievalArtificial intelligenceVocabularyNatural language processingPhilosophyLinguisticsInformation Retrieval and Search BehaviorTopic ModelingRecommender Systems and Techniques