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Crasto CJ Marenco LN Migliore M Mao B Nadkarni PM Miller P Shepherd GM 《Neuroinformatics》2003,1(3):215-237
We have developed a program NeuroText to populate the neuroscience databases in SenseLab (http://senselab.med.yale.edu/senselab)
by mining the natural language text of neuroscience articles. NeuroText uses a two-step approach to identify relevant articles.
The first step (pre-processing), aimed at 100% sensitivity, identifies abstracts containing database keywords. In the second
step, potentially relveant abstracts identified in the first step are processed for specificity dictated by database architecture,
and neuroscience, lexical and semantic contexts. NeuroText results were presented to the experts for validation using a dynamically
generated interface that also allows expert-validated articles to be automatically deposited into the databases. Of the test
set of 912 articles, 735 were rejected at the pre-processing step. For the remaining articles, the accuracy of predicting
database-relevant articles was 85%. Twenty-two articles were erroneously identified. NeuroText deferred decisions on 29 articles
to the expert. A comparison of NeuroText results versus the experts’ analyses revealed that the program failed to correctly
identify articles’ relevance due to concepts that did not yet exist in the knowledgebase or due to vaguely presented information
in the abstracts. NeuroText uses two “evolution” techniques (supervised and unsupervised) that play an important role in the
continual improvement of the retrieval results. Software that uses the NeuroText approach can facilitate the creation of curated,
special-interest, bibliography databases. 相似文献
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