Abstract
Citation Context Analysis has obtained the interest of many researchers in the field of bibliometrics. To do this, the first step is to extract the context of each citation from a citing paper. In this paper, we proposed a novel unsupervised approach for the identification of implicit citation sentences without attaching a citation tag. Our approach selects the neighboring sentences around an explicit citation sentence as candidate sentences, calculates the similarity between a candidate sentence and a cited or citing paper, and deems those that are more similar to the cited paper to be implicit citation sentences. To calculate text similarity, we proposed four methods based on the Doc2vec model, the Vector Space Model (VSM) and the LDA model respectively. The experiment results showed that the hybrid method combing the probabilistic TF-IDF weighted VSM with the TF-IDF weighted Doc2vec obtained the best performance. Compared against other supervised methods, our approach does not need any annotated training corpus, and thus can be easy to apply to other domains in theory.
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- 1.
SENSEVAL is a English corpus used in a word sense disambiguation evaluation exercise, see https://raw.githubusercontent.com/nltk/nltk_data/gh-pages/packages/corpora/senseval.zip.
- 2.
Apache PDFBox is an open source Java PDF library, see https://pdfbox.apache.org/.
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Acknowledgement
This paper is one of the research outputs of the project supported by the State Key Program of National Social Science Foundation of China (Grant No. 17ATQ001).
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Ou, S., Kim, H. (2018). Unsupervised Citation Sentence Identification Based on Similarity Measurement. In: Chowdhury, G., McLeod, J., Gillet, V., Willett, P. (eds) Transforming Digital Worlds. iConference 2018. Lecture Notes in Computer Science(), vol 10766. Springer, Cham. https://doi.org/10.1007/978-3-319-78105-1_42
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DOI: https://doi.org/10.1007/978-3-319-78105-1_42
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