Deeper Text Understanding for IR with Contextual Neural Language Modeling
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Abstract (arXiv)
Neural networks provide new possibilities to automatically learn complex language patterns and query-document relations. Neural IR models have achieved promising results in learning query-document relevance patterns, but few explorations have been done on understanding the text content of a query or a document. This paper studies leveraging a recently-proposed contextual neural language model, BERT, to provide deeper text understanding for IR. Experimental results demonstrate that the contextual text representations from BERT are more effective than traditional word embeddings. Compared to bag-of-words retrieval models, the contextual language model can better leverage language structures, bringing large improvements on queries written in natural languages. Combining the text understanding ability with search knowledge leads to an enhanced pre-trained BERT model that can benefit related search tasks where training data are limited.
Key facts. Cited by 111 papers in the map (data through 7 Oct 2026). First posted on arXiv 22 May 2019.
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Citing papers per year: 2021: 23; 2022: 31; 2023: 13; 2024: 19; 2025: 15; 2026: 10.
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- 2025Hierarchical Document Refinement for Long-context Retrieval-augmented Generation15 May 2025
- 2025RA-MTR: A Retrieval Augmented Multi-Task Reader based Approach for Inspirational Quote Extraction from Long Documents17 Feb 2025
- 2025ListConRanker: A Contrastive Text Reranker with Listwise Encoding13 Jan 2025
- 2024LongRAG: Enhancing Retrieval-Augmented Generation with Long-context LLMs21 Jun 2024
- 2024PipeRAG: Fast Retrieval-Augmented Generation via Algorithm-System Co-design8 Mar 2024
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- 2022Task-aware Retrieval with Instructionscited by 107
- 2021Adversarial Retriever-Ranker for dense text retrievalcited by 82
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- 2026Revisiting Text Ranking in Deep Research25 Feb 2026
- 2026DeepMTL2R: A Library for Deep Multi-task Learning to Rank16 Feb 2026
- 2026To Case or Not to Case: An Empirical Study in Learned Sparse Retrieval24 Jan 2026
- 2026LACONIC: Dense-Level Effectiveness for Scalable Sparse Retrieval via a Two-Phase Training Curriculum4 Jan 2026
- 2026TeleDoCTR: Domain-Specific and Contextual Troubleshooting for Telecommunications2 Jan 2026
- 2025REGENT: Relevance-Guided Attention for Entity-Aware Multi-Vector Neural Re-Ranking13 Oct 2025
- 2025QDER: Query-Specific Document and Entity Representations for Multi-Vector Document Re-Ranking13 Oct 2025
- 2025Benchmarking Information Retrieval Models on Complex Retrieval Tasks8 Sep 2025
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