[PDF] Top 20 Using semantic roles to improve summaries

... In order to identify the semantic role a specific entity express, the entity must be first identified in the text. This is the task of named entity recognition (NER). NER systems typically use linguistic ... See full document

... higher semantic level and can also facilitate new forms of indexing for efficiency, and classifying existing documents according to a given thematic or personalized, hierarchical ontology to make searching more ... See full document

... thematic roles bridged semantic roles in different ...FrameNet roles into 18 thematic ...thematic roles as the target of mappings from the roles defined by the different ... See full document

... labeling for VERB+A0. In fact, cost-sensitive training helps the system refine irrelevant projec- tions at each iteration and assigns more weight on less noisy projections, hence enhancing precision. Our analysis on ... See full document

... In the realm of supervised SRL methods, however, there have been several efforts to build SRL models that do not need a wide range of linguistic features (specifically syntactic features) (Marcheggiani et al., 2017; Zhou ... See full document

... shallow semantic representa- ...of semantic roles from sentences an- notated with automatically-predicted syntactic dependency representations and use a state- of-the-art generative Bayesian ... See full document

... system using gram- matical function, along with the head word, phrase type, and target word, but no passive information, scored ...system using position rather than grammatical func- tion scored ...However, ... See full document

... The first such feature, which we call “governing category,” or gov, has only two values, S and VP, corresponding to subjects and objects of verbs, respectively. This feature is restricted to apply only to NPs, as it was ... See full document

... tic roles are mapped onto the same syntactic func- tion, the canonical function of an argument uniquely references a specific semantic ...than using manually labeled data, we train our model on ... See full document

... A. Major Drawbacks of Keyword-Based Search Engines Currently, there are a number of search engines for internet users. These engines differ in both the indexing methods and the search algorithm used for generating ... See full document

... to improve answer extraction, surprising little work has been done to this effect (see Section 2 for details) and initial results have been mostly inconclusive or negative (Sun et ...shallow semantic ... See full document

... ated summaries are similar to source texts literally, they have low semantic ...to improve se- mantic relevance between source texts and summaries for Chinese social media sum- ...a ... See full document

... used semantic net- works for English and European languages respec- ...task, semantic networks have been used in the following works: Negri et ...[16], semantic net- works where used to expand a list ... See full document

... VerbNet semantic role annotation scheme and establish detailed annotation ...and semantic role annotation raises several ques- tions that we will address in our study: To what extent are word sense and role ... See full document

... Ontologies can be used to build machine-interpretable semantic representations of domain knowledge. Concepts in a domain, their attributes and their inter-relationships can be expressed using statements ... See full document

... the roles of women and men established by the ...the roles played by women and men and has specific expectations from them (Bell, McCarthy, & McNamara, ... See full document

... Ontology is an explicit specification of a conceptualization". Based on this definition, ontologies are used in the IR field to represent shared and more or less formal domain descriptions in order to add a ... See full document

... Although we have tried to present the theories in regard with theta roles, what they are and how they are projected into syntax, still many questions and problems remain unanswered. This is because, the Universal ... See full document

... For Chomsky Chomsky (1965), the deep structure is a simple, logical, general one, and the surface one is an evolution from the first; it generally truncates relationships and eliminates redundancy. Both are syntactic ... See full document

... Nowadays with increase of information, users need to have access to effective methods in order to search for the requested information. In most cases, people study the summary of a document rather than the whole. ... See full document