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Linking science: approaches for linking scientific publications across different LOD repositories
by Arben Hajra; Klaus Tochtermann
International Journal of Metadata, Semantics and Ontologies (IJMSO), Vol. 12, No. 2/3, 2017

 

Abstract: Enriching the content of a digital library (DL) with additional information from other DLs and domains would facilitate the scholarly communication, scientific findings, and knowledge distribution. The implementation of semantic technologies by interlinking resources results in a new vision for interoperability among different DLs. Therefore, this research explores bibliographic Linked Open Data (LOD) repositories by investigating alignments among them. The application of global unigrams frequency is applied for determining the importance of terms on the set of metadata. The semantic relatedness of the retrieved publications is measured by comparing two main approaches with one another: Vector Space Model through TF-IDF and Cosine Similarity, versus a Deep Learning approach through Word2Vec implementation of Word Embeddings. In summary, they are performing with 40.5% difference, concerning the outcome of relevant retrieved publications. In addition to the given metadata, word embeddings achieve a better performance for short texts, such as publications titles.

Online publication date: Tue, 20-Mar-2018

 

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