J
Jiexun Li
Researcher at Drexel University
Publications - 42
Citations - 1989
Jiexun Li is an academic researcher from Drexel University. The author has contributed to research in topics: Matching (statistics) & Information extraction. The author has an hindex of 19, co-authored 41 publications receiving 1849 citations. Previous affiliations of Jiexun Li include University of Arizona & Tsinghua University.
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A framework for authorship identification of online messages: Writing-style features and classification techniques
TL;DR: A framework for authorship identification of online messages to address the identity-tracing problem is developed and four types of writing-style features are extracted and inductive learning algorithms are used to build feature-based classification models to identify authorship ofonline messages.
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Mining comparative opinions from customer reviews for Competitive Intelligence
TL;DR: A novel graphical model is proposed to extract and visualize comparative relations between products from customer reviews, with the interdependencies among relations taken into consideration, to help enterprises discover potential risks and further design new products and marketing strategies.
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Sentiment analysis of Chinese documents: From sentence to document level
TL;DR: A rule-based approach including two phases: determining each sentence's sentiment based on word dependency, and aggregating sentences to predict the document sentiment is proposed to address the unique challenges posed by Chinese sentiment analysis.
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From fingerprint to writeprint
TL;DR: Identifying the key features to help identify and trace online authorship are identified.
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Kernel-based learning for biomedical relation extraction
TL;DR: A framework of kernel-based learning for biomedical relation extraction is developed, modified the standard tree kernel function by incorporating a trace kernel to capture richer contextual information and shows that a tree kernel outperforms word and sequence kernels for relation detection.