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upload hub_repos/medhop/README.md to hub from bigbio repo
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README.md
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---
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language:
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- en
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license: cc-by-sa-3.0
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license_bigbio_shortname: CC_BY_SA_3p0
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pretty_name: MedHop
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---
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# Dataset Card for MedHop
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## Dataset Description
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- **Homepage:** http://qangaroo.cs.ucl.ac.uk/
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- **Pubmed:** True
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- **Public:** True
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- **Tasks:** Question Answering
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With the same format as WikiHop, this dataset is based on research paper
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abstracts from PubMed, and the queries are about interactions between
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pairs of drugs. The correct answer has to be inferred by combining
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information from a chain of reactions of drugs and proteins.
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## Citation Information
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```
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@article{welbl-etal-2018-constructing,
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title = Constructing Datasets for Multi-hop Reading Comprehension Across Documents,
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author = Welbl, Johannes and Stenetorp, Pontus and Riedel, Sebastian,
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journal = Transactions of the Association for Computational Linguistics,
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volume = 6,
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year = 2018,
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address = Cambridge, MA,
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publisher = MIT Press,
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url = https://aclanthology.org/Q18-1021,
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doi = 10.1162/tacl_a_00021,
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pages = 287--302,
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abstract = {
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Most Reading Comprehension methods limit themselves to queries which
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can be answered using a single sentence, paragraph, or document.
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Enabling models to combine disjoint pieces of textual evidence would
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extend the scope of machine comprehension methods, but currently no
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resources exist to train and test this capability. We propose a novel
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task to encourage the development of models for text understanding
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across multiple documents and to investigate the limits of existing
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methods. In our task, a model learns to seek and combine evidence
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-- effectively performing multihop, alias multi-step, inference.
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We devise a methodology to produce datasets for this task, given a
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collection of query-answer pairs and thematically linked documents.
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Two datasets from different domains are induced, and we identify
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potential pitfalls and devise circumvention strategies. We evaluate
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two previously proposed competitive models and find that one can
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integrate information across documents. However, both models
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struggle to select relevant information; and providing documents
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guaranteed to be relevant greatly improves their performance. While
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the models outperform several strong baselines, their best accuracy
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reaches 54.5 % on an annotated test set, compared to human
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performance at 85.0 %, leaving ample room for improvement.
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}
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```
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