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Towards Best Practices for Training Multilingual Dense Retrieval Models ...
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Sparsifying Sparse Representations for Passage Retrieval by Top-$k$ Masking ...
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Aligning Cross-Lingual Entities with Multi-Aspect Information ...
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End-to-End Open-Domain Question Answering with BERTserini ...
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What Would Elsa Do? Freezing Layers During Transformer Fine-Tuning ...
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Simple BERT Models for Relation Extraction and Semantic Role Labeling ...
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Lucene for Approximate Nearest-Neighbors Search on Arbitrary Dense Vectors ...
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Abstract:
We demonstrate three approaches for adapting the open-source Lucene search library to perform approximate nearest-neighbor search on arbitrary dense vectors, using similarity search on word embeddings as a case study. At its core, Lucene is built around inverted indexes of a document collection's (sparse) term-document matrix, which is incompatible with the lower-dimensional dense vectors that are common in deep learning applications. We evaluate three techniques to overcome these challenges that can all be natively integrated into Lucene: the creation of documents populated with fake words, LSH applied to lexical realizations of dense vectors, and k-d trees coupled with dimensionality reduction. Experiments show that the "fake words" approach represents the best balance between effectiveness and efficiency. These techniques are integrated into the Anserini open-source toolkit and made available to the community. ...
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Keyword:
FOS Computer and information sciences; Information Retrieval cs.IR
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URL: https://arxiv.org/abs/1910.10208 https://dx.doi.org/10.48550/arxiv.1910.10208
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Simple Attention-Based Representation Learning for Ranking Short Social Media Posts ...
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ARCHITECTURE, MODELS, AND ALGORITHMS FOR TEXTUAL SIMILARITY
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Integrating Lexical and Temporal Signals in Neural Ranking Models for Searching Social Media Streams ...
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Searching to Translate and Translating to Search: When Information Retrieval Meets Machine Translation
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Frontiers, Challenges, and Opportunities for Information Retrieval – Report from SWIRL 2012, The Second Strategic Workshop on Information Retrieval in Lorne
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COMPUTATIONAL ANALYSIS OF THE CONVERSATIONAL DYNAMICS OF THE UNITED STATES SUPREME COURT
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Multiple Alternative Sentene Compressions as a Tool for Automatic Summarization Tasks
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