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Lexicons are important resources for semantic tagging. However,
commonly used lexicons collected from entity databases suffer
from multiple problems, such as ambiguity, limited coverage and
lack...
Query Understanding Enhanced by Hierarchical Parsing Structures
query understanding semantic tagging
2015/3/9
Query understanding has been well studied in the areas of
information retrieval and spoken language understanding
(SLU). There are generally three layers of query
understanding: domain classific...