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Using silver and semi-gold standard corpora to compare open named entity recognisers
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Dragon Toolkit: Incorporating Auto-learned Semantic Knowledge into Large-Scale Text Retrieval and Mining
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In: http://www.dragontoolkit.org/dragontoolkit.pdf (2007)
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Abstract:
The majority of text retrieval and mining techniques are still based on exact feature (e.g. words) matching and unable to incorporate text semantics. Many researchers believe that the extension with semantic knowledge could improve the results and various methods (most of them are heuristic) have been proposed to account for concept hierarchy, synonymy, and other semantic relationships. However, the results with such semantic extension have been mixed, ranging from slight improvements to decreases in effectiveness, mostly likely due to the lack of a formal framework. Instead, we propose a novel method to address the semantic extension within the framework of language modeling. Our method extracts explicit topic signatures from documents and then statistically maps them into singleword features. The incorporation of semantic knowledge then reduces to the smoothing of unigram language models using semantic knowledge. The dragon toolkit reflects our method and its effectiveness is demonstrated by three tasks, text retrieval, text classification, and text clustering. 1.
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URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.110.6939
http://www.dragontoolkit.org/dragontoolkit.pdf
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Topic Signature Language Models for Ad Hoc Retrieval
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In: http://www.daviszhou.net/research/TKDE2007Zhou.pdf (2007)
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A comprehensive comparison study of document clustering for a biomedical digital library medline
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In: http://cci.drexel.edu/faculty/thu/research-papers/FP_52_Yoo.pdf (2006)
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Articulation Modeling for
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In: http://www.daviszhou.net/research/CIKM2007Zhou.pdf (2004)
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Spatial Weighting for Bag-of-Visual-Words and Its Application in Content-Based Image Retrieval
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In: http://www.cis.drexel.edu/faculty/thu/research-papers/ChenHU-PAKDD09.pdf
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1 Biomedical Ontology MeSH Improves Document Clustering Qualify on MEDLINE Articles: A Comparison Study
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In: http://www.cis.drexel.edu/faculty/thu/research-papers/Yoo_CBMS_2006.pdf
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Using Term Sense to Improve Language Modeling Approach to Genomic IR *
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In: http://cci.drexel.edu/faculty/thu/research-papers/ECIR06_Submitted.pdf
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Utilizing Sentence Similarity and Question Type Similarity to Response to Similar Questions in Knowledge-Sharing Community
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In: http://www.pages.drexel.edu/~pa442/pdf/qaweb2008.pdf
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Mining Hidden Connections among Biomedical Concepts from Disjoint Biomedical Literature Sets through Semantic-Based Association Rule
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In: http://www.daviszhou.net/research/ijis2006hu.pdf
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Integration of Association Rules and Ontology for Semantic-based Query Expansion
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In: http://www.ischool.drexel.edu/dmbio/publication/song_dek_2006.pdf
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Tackling the Achilles Heel of Social Networks: Influence Propagation based Language Model Smoothing
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In: http://www.www2015.it/documents/proceedings/proceedings/p1318.pdf
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