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Table 1 Examples of type assignment.

From: Event extraction of bacteria biotopes: a knowledge-intensive NLP-based approach

  Corpus term Matching rule Head Assigned Type
Ex. 1 aquatic sediment Exact term sediment Environment
Ex. 2 sludge of a zinc decantation tank Term head sludge Environment
Ex. 3 tooth canal Term head and disambiguation canal Host-Part (not Water)
Ex. 4 marine environment Subterm head marine (environment is an uninformative head) Water
Ex. 5 wound infections None infection None