Yashen Wang

Microblog Retrieval Based on Concept-Enhanced Pre-Training Model

2022 · ACM Transactions on Knowledge Discovery from Data

Despite substantial interest in applications of neural networks to information retrieval, neural ranking models have mostly been applied to conventional ad-hoc retrieval tasks over web pages and newswire articles. This article proposes a concept-enhanced pre-training …

CSE: Conceptual Sentence Embeddings based on Attention Model

2016

Most sentence embedding models typically represent each sentence only using word surface, which makes these models indiscriminative for ubiquitous homonymy and polysemy. In order to enhance representation capability of sentence, we employ conceptualization model to …