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On Efficient Retrieval of Top Similarity Vectors

  • Shulong Tan
  • , Zhixin Zhou
  • , Zhaozhuo Xu
  • , Ping Li

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Retrieval of relevant vectors produced by representation learning critically influences the efficiency in natural language processing (NLP) tasks. In this paper we demonstrate an efficient method for searching vectors via a typical nonmetric matching function: inner product. Our method, which constructs an approximate Inner Product Delaunay Graph (IPDG) for top-1Maximum Inner Product Search (MIPS), transforms retrieving the most suitable latent vectors into a graph search problem with great benefits of efficiency. Experiments on data representations learned for different machine learning tasks verify the outperforming effectiveness and efficiency of the proposed IPDG. 
Original languageEnglish
Title of host publicationProceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP)
PublisherAssociation for Computational Linguistics
Pages5236–5246
ISBN (Print)9781950737901
DOIs
Publication statusPublished - Nov 2019
Externally publishedYes
Event2019 Conference on Empirical Methods in Natural Language Processing and 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP 2019) - Asia World Expo , Hong Kong, China
Duration: 3 Nov 20197 Nov 2019
https://www.emnlp-ijcnlp2019.org/

Publication series

NameEMNLP-IJCNLP - Conference on Empirical Methods in Natural Language Processing and International Joint Conference on Natural Language Processing, Proceedings of the Conference

Conference

Conference2019 Conference on Empirical Methods in Natural Language Processing and 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP 2019)
PlaceHong Kong, China
Period3/11/197/11/19
Internet address

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