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    • 81. 发明申请
    • RELATION EXTRACTION SYSTEM
    • 关系抽取系统
    • WO2009017464A1
    • 2009-02-05
    • PCT/SG2008000281
    • 2008-07-31
    • AGENCY SCIENCE TECH & RESYONG STANELY WAI KEONGSU JIANYANG XIAO FENG
    • YONG STANELY WAI KEONGSU JIANYANG XIAO FENG
    • G06F17/21G01L15/00G10L13/08
    • G06F17/2715
    • A classification system comprising a first supervised classifier module configured to access an annotated corpus during a training mode, a second semi-supervised module configured to access a raw text and index at least one pseudo document extracted from the raw text according to the location of a skip bigram within the at least one pseudo document during the training mode, a third classifier module configured to receive the output of the first supervised classifier module and a plurality of skip bigram similarity features derived from the skip bigram from the second semi-supervised module during a validation mode, and to receive a raw text document for relation extraction during a normal operation mode. Also a method.
    • 一种分类系统,包括:第一监督分类器模块,被配置为在训练模式期间访问被注释的语料库;第二半监督模块,被配置为访问原始文本并且索引从原始文本提取的至少一个伪文档, 在训练模式期间跳过所述至少一个伪文档内的二元组;第三分类器模块,被配置为接收所述第一监督分类器模块的输出以及从所述第二半监督模块期间从所述第二半监督模块导出的多个跳过二元组相似性特征 验证模式,并且在正常操作模式期间接收用于关系提取的原始文本文档。 也是一种方法。
    • 86. 发明申请
    • METHOD FOR ENHANCING THE EFFICACY OF ANTIGEN SPECIFIC TUMOR IMMUNOTHERAPY
    • 提高抗原特异性肿瘤免疫功能的方法
    • WO2008027800A2
    • 2008-03-06
    • PCT/US2007076717
    • 2007-08-24
    • UNIV TEMPLEYANG XIAO-FENG
    • YANG XIAO-FENG
    • A61K39/00
    • A61K39/00A61K39/0011A61K39/12A61K39/145A61K39/21A61K39/29A61K39/292C12N2730/10134C12N2740/16034C12N2760/16134C12N2770/24234
    • The invention provides a method for the improved processing efficiency of T cell tumor antigen epitopes using bioinformatic means. The proteolytic sites in the generation of 47 experimentally identified HLA-A2.1-restricted immunodominant tumor antigen epitopes was compared to those of 52 documented HLA-A2.1-restricted immunodominant viral antigen epitopes. The amino acid frequencies in the C-terminal cleavage sites of the tumor antigen epitopes, as well as several positions within the 10 amino acid (aa) flanking regions, were significantly different from those of the viral antigen epitopes. These two groups of epitopes may be cleaved by distinct sets of proteasomes and peptidases or similar enzymes with lower efficiencies for tumor epitopes, targeted activation of the immunoproteasomes and peptidases can be achieved that mediate the cleavage of viral epitopes in order to more effectively generate tumor antigen epitopes thus enhancing antigen-specific tumor immunotherapy.
    • 本发明提供使用生物信息学手段提高T细胞肿瘤抗原表位的加工效率的方法。 将47个实验鉴定的HLA-A2.1限制免疫显性肿瘤抗原表位的蛋白水解位点与52个记录的HLA-A2.1限制性免疫显性病毒抗原表位的蛋白水解位点进行比较。 肿瘤抗原表位的C末端切割位点的氨基酸频率以及10个氨基酸(aa)侧翼区域内的几个位置与病毒抗原表位的氨基酸频率显着不同。 这两组表位可以被不同组的蛋白酶体和肽酶或相似的酶切割,对肿瘤表位具有较低的效率,可以实现介导病毒表位的切割以更有效地产生肿瘤抗原的免疫蛋白酶体和肽酶的靶向激活 表位因此增强抗原特异性肿瘤免疫治疗。