4 research outputs found

    KCAT: A Knowledge-Constraint Typing Annotation Tool

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    Fine-grained Entity Typing is a tough task which suffers from noise samples extracted from distant supervision. Thousands of manually annotated samples can achieve greater performance than millions of samples generated by the previous distant supervision method. Whereas, it's hard for human beings to differentiate and memorize thousands of types, thus making large-scale human labeling hardly possible. In this paper, we introduce a Knowledge-Constraint Typing Annotation Tool (KCAT), which is efficient for fine-grained entity typing annotation. KCAT reduces the size of candidate types to an acceptable range for human beings through entity linking and provides a Multi-step Typing scheme to revise the entity linking result. Moreover, KCAT provides an efficient Annotator Client to accelerate the annotation process and a comprehensive Manager Module to analyse crowdsourcing annotations. Experiment shows that KCAT can significantly improve annotation efficiency, the time consumption increases slowly as the size of type set expands.Comment: 6 pages, acl2019 demo pape

    Flow-induced crystallization

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    Molecular properties are reflected in the rheological and crystallization behavior. The first task is to design and use some well‐defined experiments that reveal all these features. Second, the experimental findings should be translated into mathematically formulated physical models, suited to be implemented in numerical codes for simulation of polymer shaping processes. Third, this modeling should be validated for a range of conditions including processing conditions. This chapter focuses on these three aspects and addresses general questions: How do the different structures observed relate to the flow conditions: deformation rates, stress, pressure, thermal conditions, material parameters, additives, and so on? and How can one model this on a continuum level so it is applicable in numerical codes for process simulation? The chapter also focuses on the effect of flow on crystallization of polymer melts
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