Quo Vadis: A Corpus of Entities and Relations

This chapter describes a collective work aimed to build a corpus including annotations of semantic relations on a text belonging to the belletristic genre. The paper presents conventions of annotations for four categories of semantic relations and the process of building the corpus as a collaborative work. Part of the annotation is done automatically, such as the token/part of speech/lemma layer, and is performed during a preprocessing phase. Then, an entity layer (where entities of type person are marked) and a relation layer (evidencing binary relations between entities) are added manually by a team of trained annotators, the result being a heavily annotated file. A number of methods to obtain accuracy are detailed. Finally, some statistics over the corpus are drawn. The language under investigation is Romanian, but the proposed annotation conventions and methodological hints are applicable to any language and text genre.

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