Efficient Collective Entity Linking with Stacking
Zhengyan He, Shujie Liu, Yang Song, Mu Li, Ming Zhou, Houfeng Wang · 2013
Entity disambiguation works by linking ambiguous mentions in text to their corresponding real-world entities in knowledge base.Recent collective disambiguation methods enforce coherence among contextual decisions at the cost of non-trivial inference processes.We propose a fast collective disambiguation approach based on stacking.First, we train a local predictor g 0 with learning to rank as base learner, to generate initial ranking list of candidates.Second, top k candidates of related instances are searched for constructing expressive global coherence features.A global predictor g 1 is trained in the augmented feature space and stacking is employed to tackle the train/test mismatch problem.The proposed method is fast and easy to implement.Experiments show its effectiveness over various algorithms on several public datasets.By learning a rich semantic relatedness measure between entity categories and context document, performance is further improved.