人工智能-自然语言处理-中心词识别

{"moduleinfo":{"status1_count":[{"count_phone":4,"count":4}],"status2_count":[{"count_phone":3,"count":3}],"bg":"https://img.alicdn.com/tfs/TB1UtLBfxD1gK0jSZFyXXciOVXa-2880-940.jpg","status5_count":[{"count_phone":3,"count":3}],"status3_count":[{"count_phone":6,"count":6}],"title":"中心词提取","menu_count":[{"count_phone":1,"count":1}],"status4_count":[{"count_phone":6,"count":6}],"desc":"多语言中心词（目前支持中文及英文）基于海量数据，使用电商标题中心词以及类目进行训练，通过给每个词计算一个相关性分数来衡量每个词与句子的相关性程度，进而识别并提取出句子的中心词。适用于提取电商搜索query、标题及其他类似短文本（一般小于25个词）的中心词。<br>如有私有化部署（本地部署软件）需求，及商务问题，请联系：nlp-support@list.alibaba-inc.com","nav_count":[{"count_phone":4,"count":4}],"code":"alinlp"},"nav":[{"text":"产品优势","floor":"guid-3"},{"text":"适用场景","floor":"guid-4"},{"text":"更多产品与服务","floor":"guid-2"},{"text":"文档与资源","floor":"guid-5"}],"menu":[{"mLink":"https://ai.aliyun.com/nlp","menu2":[{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/nlpautoml","text":"NLP自学习平台","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ws","text":"多语言分词","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/pos","text":"词性标注","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ner","text":"命名实体","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/sa","text":"情感分析","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ie","text":"文本信息抽取","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/tc","text":"智能文本分类","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ke","text":"中心词提取","target":"true"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ra","text":"商品评价解析","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/alimt","text":"机器翻译","target":"false"}],"mText":"自然语言处理"}],"status1":[],"status2":[],"status3":[{"typeBtn":"蓝按钮","kind":"pc","link":"https://alinlp.console.aliyun.com/","text":"免费使用"},{"typeBtn":"白按钮","kind":"pc","link":"https://help.aliyun.com/document_detail/176959.html","text":"技术文档"},{"typeBtn":"链接","kind":"pc","link":"https://www.aliyun.com/core/online-consult?from=sHMTnsflE9","text":"在线咨询"}],"status4":[{"typeBtn":"蓝按钮","kind":"pc","link":"https://alinlp.console.aliyun.com/","text":"立即使用2.0"},{"typeBtn":"白按钮","kind":"pc","link":"https://nlp-cn-shanghai.console.aliyun.com/","text":"立即使用1.0"},{"typeBtn":"链接","kind":"pc","link":"https://help.aliyun.com/document_detail/176959.html","text":"技术文档"},{"typeBtn":"链接","kind":"pc","link":"https://www.aliyun.com/core/online-consult?from=sHMTnsflE9","text":"在线咨询"}],"status5":[],"countinfo":{"nav":{"length_pc":0,"length":0},"status1":{"length_pc":0,"length":0},"menu":{"length_pc":0,"length":0},"status2":{"length_pc":0,"length":0},"status3":{"length_pc":0,"length":0},"status4":{"length_pc":0,"length":0},"status5":{"length_pc":0,"length":0}}}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"status1_count":[{"count_phone":4,"count":4}],"status2_count":[{"count_phone":3,"count":3}],"bg":"https://img.alicdn.com/tfs/TB1UtLBfxD1gK0jSZFyXXciOVXa-2880-940.jpg","status5_count":[{"count_phone":3,"count":3}],"status3_count":[{"count_phone":6,"count":6}],"title":"中心词提取","menu_count":[{"count_phone":1,"count":1}],"status4_count":[{"count_phone":6,"count":6}],"desc":"多语言中心词（目前支持中文及英文）基于海量数据，使用电商标题中心词以及类目进行训练，通过给每个词计算一个相关性分数来衡量每个词与句子的相关性程度，进而识别并提取出句子的中心词。适用于提取电商搜索query、标题及其他类似短文本（一般小于25个词）的中心词。<br>如有私有化部署（本地部署软件）需求，及商务问题，请联系：nlp-support@list.alibaba-inc.com","nav_count":[{"count_phone":4,"count":4}],"code":"alinlp"},"nav":[{"text":"产品优势","floor":"guid-3"},{"text":"适用场景","floor":"guid-4"},{"text":"更多产品与服务","floor":"guid-2"},{"text":"文档与资源","floor":"guid-5"}],"menu":[{"mLink":"https://ai.aliyun.com/nlp","menu2":[{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/nlpautoml","text":"NLP自学习平台","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ws","text":"多语言分词","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/pos","text":"词性标注","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ner","text":"命名实体","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/sa","text":"情感分析","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ie","text":"文本信息抽取","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/tc","text":"智能文本分类","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ke","text":"中心词提取","target":"true"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/nlp/ra","text":"商品评价解析","target":"false"},{"tce_rule_count":"1","link":"https://ai.aliyun.com/alimt","text":"机器翻译","target":"false"}],"mText":"自然语言处理"}],"status1":[],"status2":[],"status3":[{"typeBtn":"蓝按钮","kind":"pc","link":"https://alinlp.console.aliyun.com/","text":"免费使用"},{"typeBtn":"白按钮","kind":"pc","link":"https://help.aliyun.com/document_detail/176959.html","text":"技术文档"},{"typeBtn":"链接","kind":"pc","link":"https://www.aliyun.com/core/online-consult?from=sHMTnsflE9","text":"在线咨询"}],"status4":[{"typeBtn":"蓝按钮","kind":"pc","link":"https://alinlp.console.aliyun.com/","text":"立即使用2.0"},{"typeBtn":"白按钮","kind":"pc","link":"https://nlp-cn-shanghai.console.aliyun.com/","text":"立即使用1.0"},{"typeBtn":"链接","kind":"pc","link":"https://help.aliyun.com/document_detail/176959.html","text":"技术文档"},{"typeBtn":"链接","kind":"pc","link":"https://www.aliyun.com/core/online-consult?from=sHMTnsflE9","text":"在线咨询"}],"status5":[],"countinfo":{"nav":{"length_pc":0,"length":0},"status1":{"length_pc":0,"length":0},"menu":{"length_pc":0,"length":0},"status2":{"length_pc":0,"length":0},"status3":{"length_pc":0,"length":0},"status4":{"length_pc":0,"length":0},"status5":{"length_pc":0,"length":0}}}}

中心词提取

多语言中心词（目前支持中文及英文）基于海量数据，使用电商标题中心词以及类目进行训练，通过给每个词计算一个相关性分数来衡量每个词与句子的相关性程度，进而识别并提取出句子的中心词。适用于提取电商搜索query、标题及其他类似短文本（一般小于25个词）的中心词。
如有私有化部署（本地部署软件）需求，及商务问题，请联系：nlp-support@list.alibaba-inc.com

免费使用技术文档在线咨询

产品优势
适用场景
更多产品与服务
文档与资源

产品优势

多语言支持

模型语言无关性，支持中/英/俄/西等多个语种

海量电商数据建模

依托阿里丰富大规模电商场景，借助电商大数据完成中心词建模

深度语义模型

基于卷积的深度语义网络CDSSM模型，借助电商类目体系，提升关键词提取准确率

跨语言迁移学习

借助语料丰富的语言的知识，提升语料较少的语言的分析准确率

适用场景

商品搜索

提高搜索准确率，帮助用户快速查找相关内容

商品推荐

通过分析商品的标题及属性，向用户推荐合适的商品

相关性计算

快速分析词语与主体相关性，找到相似度最高或相近的内容

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"items_count":[{"count_phone":4,"count":4}],"bg":"#F5F5F6","title":"更多产品与服务","floor":"guid-4"},"items":[{"more":"了解更多","link":"https://ai.aliyun.com/nlp/nlpautoml","pic":"dbl-icon-product-lvwang","tit":"NLP自学习平台","desc":"支持文本实体抽取、文本分类等NLP定制化算法能力，用户无需拥有丰富的算法背景，仅需标注或上传适量文档数据，即可通过平台快速创建算法模型并使用。"},{"more":"了解更多","link":"https://ai.aliyun.com/nlp/ra","pic":"dbl-icon-product-nlpra","tit":"商品评价解析","desc":"基于电商行业的大量语料研发，对消费者历史评价和新增评价的商品维度属性自动解析，将文本转化为结构化属性字段，高效甄别正负面评价，同时根据情感强烈程度进行-1分~1分的打分，可统计可分析，大幅度节省客服人工。"},{"more":"了解更多","link":"https://ai.aliyun.com/nlp/ws","pic":"dbl-icon-product-nlpws","tit":"多语言分词","desc":"将连续的自然语言文本，切分成具有语义合理性和完整性的词汇序列，同时保持对数据、模型的不断迭代更新，目前支持简体中文、英文及泰文。"},{"more":"了解更多","link":"https://ai.aliyun.com/nlp/ner","pic":"dbl-icon-product-nlpner","tit":"命名实体","desc":"命名实体服务可以帮助您快速识别文本中的实体，进而挖掘各实体间的关系，目前主要针对电商领域，识别品牌、产品、型号等，同时也包括一些通用领域实体如人名、地名、机构名、时间日期等。"}],"countinfo":{"items":{"length_pc":0,"length":0}}}}

更多产品与服务

NLP自学习平台

支持文本实体抽取、文本分类等NLP定制化算法能力，用户无需拥有丰富的算法背景，仅需标注或上传适量文档数据，即可通过平台快速创建算法模型并使用。

了解更多

商品评价解析

基于电商行业的大量语料研发，对消费者历史评价和新增评价的商品维度属性自动解析，将文本转化为结构化属性字段，高效甄别正负面评价，同时根据情感强烈程度进行-1分~1分的打分，可统计可分析，大幅度节省客服人工。

了解更多

多语言分词

将连续的自然语言文本，切分成具有语义合理性和完整性的词汇序列，同时保持对数据、模型的不断迭代更新，目前支持简体中文、英文及泰文。

了解更多

命名实体

命名实体服务可以帮助您快速识别文本中的实体，进而挖掘各实体间的关系，目前主要针对电商领域，识别品牌、产品、型号等，同时也包括一些通用领域实体如人名、地名、机构名、时间日期等。