CN107562769A - A kind of online answer topic recommends method and device - Google Patents
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Abstract
本发明公开了一种在线答题题目推荐方法，该方法包括以下步骤：接收用户针对目标题库的在线答题请求；获得用户的历史行为数据；根据历史行为数据，确定待输出题目；进一步确定题目输出顺序，按照题目输出顺序，逐一输出待输出题目；在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件；如果是，则在目标题库中确定当前题目的关联题目；将关联题目推荐给用户。应用本发明实施例所提供的技术方案，根据历史行为数据确定的待输出题目更符合用户的答题意愿，在答题过程中将关联题目推荐给用户，使得用户可以有针对性的进行知识点巩固练习，提升了用户的答题体验。本发明还公开了一种在线答题题目推荐装置，具有相应技术效果。
The invention discloses an online question answering topic recommendation method, which comprises the following steps: receiving a user's online answering request for a target question bank; obtaining the user's historical behavior data; determining the topic to be output according to the historical behavior data; and further determining the output sequence of the topic , output the questions to be output one by one according to the order of question output; during the online answering process of the user, determine whether the current question meets the preset recommendation conditions for related questions; if so, determine the related questions of the current question in the target question bank; recommended to users. Applying the technical solution provided by the embodiment of the present invention, the questions to be output determined according to the historical behavior data are more in line with the user's willingness to answer the questions, and the related questions are recommended to the user during the answering process, so that the user can carry out targeted knowledge consolidation exercises , which improves the user experience of answering questions. The invention also discloses an online answering topic recommending device, which has corresponding technical effects.
Description
技术领域technical field
本发明涉及计算机应用技术领域，特别是涉及一种在线答题题目推荐方法及装置。The invention relates to the field of computer application technology, in particular to an online answering topic recommendation method and device.
背景技术Background technique
随着终端技术的快速发展，终端中可安装的客户端种类越来越多，不同客户端具有不同功能，如在线答题客户端。用户通过在线答题客户端可以对题库中的题目进行练习，掌握相关知识点。With the rapid development of terminal technology, more and more types of clients can be installed in the terminal, and different clients have different functions, such as an online answering client. Users can practice the questions in the question bank through the online answering client to master relevant knowledge points.
目前，在有用户的在线答题请求时，一般都是随机或者按照一定的顺序为用户输出题目，输出题目方式较为单一。At present, when there is a user's online answering request, the questions are generally output for the user randomly or in a certain order, and the way of outputting the questions is relatively simple.
这种方法存在一定的缺点，有的题目涉及的知识点用户可能早已掌握，但是还是在每次用户有答题需求时输出给用户，或者有的题目总是在最后输出，使得用户对这些题目练习较少，不能很好掌握这些题目涉及的知识点。使得用户答题体验较差。This method has certain shortcomings. Some questions involve knowledge points that the user may have already mastered, but they are still output to the user every time the user needs to answer the question, or some questions are always output at the end, so that the user can practice on these questions. There are few, and the knowledge points involved in these topics cannot be well grasped. It makes the user experience of answering questions poor.
发明内容Contents of the invention
本发明的目的是提供一种在线答题题目推荐方法及装置，以解决用户答题过程中题目输出形式单一的问题，更好地为用户提供答题服务，提升用户的答题体验。The purpose of the present invention is to provide an online answering topic recommendation method and device to solve the problem of single output form of questions during the user answering process, provide users with better answering services, and improve the user's answering experience.
为解决上述技术问题，本发明提供如下技术方案：In order to solve the above technical problems, the present invention provides the following technical solutions:
一种在线答题题目推荐方法，包括：A method for recommending an online question answering topic, comprising:
接收用户针对目标题库的在线答题请求；Receive the user's online answering request for the target question bank;
获得所述用户的历史行为数据；Obtain the historical behavior data of the user;
根据所述历史行为数据，确定待输出题目；According to the historical behavior data, determine the topic to be output;
进一步确定题目输出顺序，按照所述题目输出顺序，逐一输出所述待输出题目；Further determining the output order of the questions, and outputting the questions to be output one by one according to the output order of the questions;
在所述用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件；During the process of online question answering by the user, determine whether the current topic meets the preset recommended conditions for related topics;
如果是，则在所述目标题库中确定所述当前题目的关联题目；If yes, then determine the associated topic of the current topic in the target topic bank;
将所述关联题目推荐给所述用户。Recommending the associated topic to the user.
在本发明的一种具体实施方式中，所述历史行为数据包括历史答题行为数据，所述根据所述历史行为数据，确定待输出题目，包括：In a specific embodiment of the present invention, the historical behavior data includes historical answering behavior data, and according to the historical behavior data, determining the topic to be output includes:
根据所述历史答题行为数据，确定已答题目的相关信息，所述相关信息至少包括已答次数、答错次数；According to the historical question answering behavior data, determine the related information of the answered questions, the related information includes at least the number of times of answers and the number of times of wrong answers;
根据所述已答题目的相关信息，确定所述目标题库中待输出题目。According to the relevant information of the answered questions, the questions to be output in the target question bank are determined.
在本发明的一种具体实施方式中，所述历史行为数据包括历史学习行为数据，所述根据所述历史行为数据，确定待输出题目，包括：In a specific embodiment of the present invention, the historical behavior data includes historical learning behavior data, and according to the historical behavior data, determining the topic to be output includes:
根据所述历史学习行为数据，确定最近一次的学习内容；Determine the latest learning content according to the historical learning behavior data;
在所述目标题库中查找与所述学习内容相似度高于预设第一阈值的题目；Searching for a question whose similarity with the learning content is higher than a preset first threshold in the target question bank;
将查找到的题目确定为待输出题目。Determine the found topic as a topic to be output.
在本发明的一种具体实施方式中，所述历史行为数据包括历史搜索行为数据，所述根据所述历史行为数据，确定待输出题目，包括：In a specific implementation manner of the present invention, the historical behavior data includes historical search behavior data, and determining the topic to be output according to the historical behavior data includes:
根据所述历史搜索行为数据，确定热度高于预设第二阈值的搜索关键词；According to the historical search behavior data, determine search keywords whose popularity is higher than a preset second threshold;
在所述目标题库中查找与所述搜索关键词相似度高于预设第三阈值的题目；Searching for a topic whose similarity with the search keyword is higher than a preset third threshold in the target question bank;
将查找到的题目确定为待输出题目。Determine the found topic as a topic to be output.
在本发明的一种具体实施方式中，所述确定当前题目是否符合预设的关联题目推荐条件，包括：In a specific implementation manner of the present invention, the determining whether the current topic meets the preset recommendation conditions for related topics includes:
如果所述当前题目的错误次数大于预设第四阈值，且错误率大于预设第五阈值，则确定所述当前题目符合预设的关联题目推荐条件。If the number of errors of the current topic is greater than a preset fourth threshold and the error rate is greater than a preset fifth threshold, it is determined that the current topic meets a preset recommendation condition for an associated topic.
在本发明的一种具体实施方式中，所述在所述目标题库中确定所述当前题目的关联题目，包括：In a specific implementation manner of the present invention, the determining the related topic of the current topic in the target question bank includes:
根据预先确定的所述目标题库中两两题目的相似度，在所述目标题库中确定所述当前题目的关联题目。According to the predetermined similarity between any two questions in the target question bank, the related question of the current question is determined in the target question bank.
在本发明的一种具体实施方式中，通过以下步骤预先确定所述目标题库中两两题目的相似度：In a specific embodiment of the present invention, the similarity between any two items in the target item bank is predetermined by the following steps:
获得所述目标题库中各题目的知识点关键词和难易程度；Obtain the knowledge point keywords and degree of difficulty of each topic in the target question bank;
针对所述目标题库中任意两个题目，根据这两个题目的知识点关键词和难易程度，确定这两个题目的相似度。For any two questions in the target question bank, the similarity between the two questions is determined according to the knowledge point keywords and the degree of difficulty of the two questions.
在本发明的一种具体实施方式中，在所述用户的历史行为数据为空时，还包括：In a specific implementation manner of the present invention, when the historical behavior data of the user is empty, it also includes:
将所述目标题库中的题目按照从易到难的顺序输出给所述用户。Outputting the questions in the target question bank to the user in order from easy to difficult.
在本发明的一种具体实施方式中，所述在线答题请求中携带目标关键词，在所述接收用户针对所述目标题库的在线答题请求之后，还包括：In a specific embodiment of the present invention, the online answering request carries target keywords, and after receiving the user's online answering request for the target question bank, further includes:
直接将与所述目标关键词相似度高于预设第六阈值的题目确定为所述待输出题目。A topic whose similarity with the target keyword is higher than a preset sixth threshold is directly determined as the topic to be output.
一种在线答题题目推荐装置，包括：An online answering topic recommendation device, comprising:
在线答题请求接收模块，用于接收用户针对目标题库的在线答题请求；The online question answering request receiving module is used to receive the user's online question answering request for the target question bank;
历史行为数据获得模块，用于获得所述用户的历史行为数据；A historical behavior data obtaining module, configured to obtain the historical behavior data of the user;
待输出题目确定模块，用于根据所述历史行为数据，确定待输出题目；A topic to be output determining module, configured to determine a topic to be output according to the historical behavior data;
题目输出模块，用于进一步确定题目输出顺序，按照所述题目输出顺序，逐一输出所述待输出题目；A topic output module, configured to further determine the output sequence of the topics, and output the topics to be output one by one according to the output sequence of the topics;
推荐条件确定模块，用于在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件，如果是，则触发关联题目确定模块；The recommendation condition determination module is used to determine whether the current topic meets the preset recommendation conditions for associated topics during the user's online answering process, and if so, trigger the associated topic determination module;
所述关联题目确定模块，用于在所述目标题库中确定所述当前题目的关联题目；The related topic determination module is used to determine the related topic of the current topic in the target question bank;
关联题目推荐模块，用于将所述关联题目推荐给所述用户。An associated topic recommendation module, configured to recommend the associated topic to the user.
应用本发明实施例所提供的技术方案，在接收到用户针对目标题库的在线答题请求时，获得用户的历史行为数据，根据历史行为数据，确定待输出题目，进一步确定题目输出顺序，逐一输出待输出题目，在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件，如果是，则在目标题库中确定当前题目的关联题目，将关联题目推荐给用户。根据历史行为数据确定的待输出题目更符合用户的答题意愿，在答题过程中将关联题目推荐给用户，使得用户可以有针对性的进行知识点巩固练习，提升了用户的答题体验。Applying the technical solution provided by the embodiment of the present invention, when receiving the user's online answering request for the target question bank, the user's historical behavior data is obtained, and according to the historical behavior data, the topics to be output are determined, the output order of the topics is further determined, and the output to be output one by one Output the topic. During the user's online answering process, determine whether the current topic meets the preset recommendation conditions for related topics. If so, determine the related topic of the current topic in the target question bank, and recommend the related topic to the user. The questions to be output determined according to the historical behavior data are more in line with the user's willingness to answer the questions. During the answering process, the related questions are recommended to the user, so that the user can carry out targeted exercises to consolidate knowledge points and improve the user's answering experience.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本发明实施例中一种在线答题题目推荐方法的实施流程图；Fig. 1 is the implementation flowchart of a kind of online answer topic recommendation method in the embodiment of the present invention;
图2为本发明实施例中一种在线答题题目推荐装置的结构示意图。FIG. 2 is a schematic structural diagram of an online answering topic recommendation device in an embodiment of the present invention.
具体实施方式detailed description
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
参见图1所示，为本发明实施例所提供的一种在线答题题目推荐方法的实施流程图，该方法可以包括以下步骤：Referring to Fig. 1, it is an implementation flowchart of an online answering topic recommendation method provided by an embodiment of the present invention, the method may include the following steps:
S110：接收用户针对目标题库的在线答题请求。S110: Receive a user's online question answering request for a target question bank.
目标题库为支持应用本发明实施例所提供技术方案的任意一个题库。目标题库中包含数量较多的题目。用户可以根据实际需要，发送针对目标题库的在线答题请求。The target question bank is any question bank that supports the application of the technical solutions provided by the embodiments of the present invention. The target question bank contains a large number of questions. Users can send online answering requests for the target question bank according to actual needs.
在接收到用户针对目标题库的在线答题请求时，可以继续执行步骤S120的操作。When the user's online question answering request for the target question bank is received, the operation of step S120 may be continued.
S120：获得用户的历史行为数据。S120: Obtain historical behavior data of the user.
用户的历史行为数据为在本次用户发送的针对目标题库的在线答题请求之前设定时间段内的用户行为数据，可以包括历史答题行为数据、历史学习行为数据、历史搜索行为数据等。The user's historical behavior data is the user's behavior data within a set period of time before the online answering request for the target question bank sent by the user this time, and may include historical answering behavior data, historical learning behavior data, historical search behavior data, etc.
在接收到用户针对目标题库的在线答题请求之后，可以获得用户的历史行为数据。After receiving the user's online answering request for the target question bank, the user's historical behavior data can be obtained.
S130：根据历史行为数据，确定待输出题目。S130: Determine the topic to be output according to the historical behavior data.
在步骤S120，获得用户的历史行为数据，根据该历史行为数据，可以确定待输出题目。In step S120, the historical behavior data of the user is obtained, and according to the historical behavior data, the topic to be output can be determined.
在本发明的一种具体实施方式中，历史行为数据包括历史答题行为数据，可以根据历史答题行为数据，确定已答题目的相关信息，相关信息至少包括已答次数、答错次数；根据已答题目的相关信息，确定目标题库中待输出题目。In a specific embodiment of the present invention, the historical behavior data includes historical answer behavior data, and the relevant information of the answered questions can be determined according to the historical answer behavior data. The relevant information includes at least the number of times answered and the number of wrong answers; Relevant information, determine the questions to be output in the target question bank.
针对目标题库，用户可能已经多次进行了答题操作。根据历史答题行为数据，可以确定出用户已答题目的相关信息，相关信息至少包括已答次数、答错次数等。For the target question bank, the user may have answered questions many times. According to the historical answering behavior data, the relevant information of the user's answered questions can be determined, and the relevant information includes at least the number of times answered and the number of wrong answers.
根据已答题目的相关信息，可以确定目标题库中待输出题目。如可以根据已答题目的已答次数、答错次数等信息，确定目标题库中各题目的使用频率和出错频率等，并确定出使用频率大于某一预设阈值，出错频率小于另一预设阈值的题目，将目标题库中除这些题目外的题目确定为待输出题目。因为这些题目用户已经做过很多次，且出错率较低，没有必要再让用户重复去做。According to the relevant information of the answered questions, the questions to be output in the target question bank can be determined. For example, the frequency of use and error frequency of each question in the target question bank can be determined according to the number of answers and the number of wrong answers of the answered questions, and it can be determined that the frequency of use is greater than a certain preset threshold and the frequency of errors is less than another preset threshold , and determine the questions in the target question bank other than these questions as the questions to be output. Because users have done these questions many times, and the error rate is low, there is no need for users to do it repeatedly.
当然，还可以预先设定其他规则，根据已答题目的相关信息，确定目标题库中待输出题目。本发明实施例对此不做限制。Of course, other rules can also be set in advance to determine the questions to be output in the target question bank according to the relevant information of the answered questions. This embodiment of the present invention does not limit this.
在本发明的一种具体实施方式中，历史行为数据包括历史学习行为数据，可以根据历史学习行为数据，确定最近一次的学习内容；在目标题库中查找与学习内容相似度高于预设第一阈值的题目，将查找到的题目确定为待输出题目。In a specific embodiment of the present invention, the historical behavior data includes historical learning behavior data, and the latest learning content can be determined according to the historical learning behavior data; in the target question bank, it is found that the similarity with the learning content is higher than the preset first Threshold topics, determine the found topics as topics to be output.
目标题库可以与视频学习库关联。获得用户在视频学习库中的学习行为数据。可以理解的是，用户在进行视频学习后，如果想要进行在线答题，其最想做的题目应该是与视频学习内容相关的题目。The target question bank can be associated with the video study bank. Obtain the user's learning behavior data in the video learning library. It is understandable that if users want to answer questions online after video learning, the topics they most want to do should be those related to the video learning content.
在接收到用户针对目标题库的在线答题请求后，可以根据历史学习行为数据，确定最近一次的学习内容。在目标题库中查找与学习内容相似度高于预设第一阈值的题目。After receiving the user's online answering request for the target question bank, the latest learning content can be determined according to the historical learning behavior data. Searching for questions whose similarity to the learning content is higher than a preset first threshold in the target question bank.
在本发明实施例中，可以预先为目标题库中每个题目进行知识点关键词标注。确定每个题目的知识点关键词与学习内容的相似度，具体的可以使用现有技术中相似度确定方法，本发明实施例在此不再赘述。In the embodiment of the present invention, each topic in the target question bank can be tagged with keywords of knowledge points in advance. To determine the similarity between the knowledge point keywords of each topic and the learning content, specifically, the similarity determination method in the prior art can be used, and the embodiments of the present invention will not repeat them here.
将相似度高于预设第一阈值的题目确定为待输出题目，以便用户能够针对最近一次的学习内容进行相关知识点题目的集中练习。A topic whose similarity is higher than the preset first threshold is determined as a topic to be output, so that the user can perform concentrated exercises on related knowledge points for the latest learning content.
在本发明的另一种具体实施方式中，历史行为数据包括历史搜索行为数据，根据历史搜索行为数据，确定热度高于预设第二阈值的搜索关键词；在目标题库中查找与搜索关键词相似度高于预设第三阈值的题目；将查找到的题目确定为待输出题目。In another specific embodiment of the present invention, the historical behavior data includes historical search behavior data, and according to the historical search behavior data, determine the search keywords whose popularity is higher than the preset second threshold; search and search keywords in the target question bank Topics whose similarity is higher than the preset third threshold; determine the found topics as topics to be output.
在本发明实施例中，用户可以通过搜索方式查找目标题库中的题目。根据历史搜索行为数据，可以确定出各搜索关键词的热度，热度可以通过使用频率来衡量。确定出热度高于预设第二阈值的搜索关键词，确定出的搜索关键词可以有一个或多个。用户使用某一搜索关键词越频繁，表明其对该搜索关键词相关知识点的题目越关注。可以在目标题库中查找与搜索关键词相似度高于预设第三阈值的题目。将查找到的题目确定为待输出题目。In the embodiment of the present invention, the user can search for the questions in the target question bank. According to the historical search behavior data, the popularity of each search keyword can be determined, and the popularity can be measured by the frequency of use. The search keywords whose popularity is higher than the preset second threshold are determined, and there may be one or more determined search keywords. The more frequently a user uses a certain search keyword, it indicates that he pays more attention to the topic of knowledge points related to the search keyword. Questions whose similarity with the search keyword is higher than the preset third threshold can be searched in the target question bank. Determine the found topic as a topic to be output.
需要说明的是，第一阈值、第二阈值、第三阈值可以根据实际情况进行设定和调整，本发明实施例对此不做限制。It should be noted that the first threshold, the second threshold, and the third threshold may be set and adjusted according to actual conditions, which is not limited in this embodiment of the present invention.
在实际应用中，可以综合考虑用户的历史答题行为数据、历史学习行为数据和历史搜索行为数据，在目标题库中确定出待输出题目，以便确定的待输出题目更加符合用户的意愿。In practical applications, the user's historical answering behavior data, historical learning behavior data and historical search behavior data can be considered comprehensively, and the topics to be output can be determined in the target question bank, so that the determined output topics can better meet the user's wishes.
S140：进一步确定题目输出顺序，按照题目输出顺序，逐一输出待输出题目。S140: Further determine the output order of the questions, and output the questions to be output one by one according to the output order of the questions.
在目标题库中确定出待输出题目后，进一步可以确定题目输出顺序。After the questions to be output are determined in the target question bank, the output order of the questions can be further determined.
在本发明实施例中，可以预先对目标题库中各题目的难易程度进行标注，如按照1至5星进行题目的难易程度的标注，1星表示简单，5星表示极难。In the embodiment of the present invention, the difficulty level of each item in the target item bank can be marked in advance, for example, the difficulty level of each item is marked according to 1 to 5 stars, 1 star means easy, and 5 stars means extremely difficult.
在确定题目输出顺序时，可以根据待输出题目的难易程度，确定从易到难的输出顺序。或者可以确定题目输出顺序为随机。或者可以按照知识点相关性确定输出顺序。When determining the output order of the questions, the output order from easy to difficult can be determined according to the degree of difficulty of the questions to be output. Alternatively, it may be determined that the output order of the questions is random. Or the output order may be determined according to the knowledge point correlation.
按照题目输出顺序，逐一输出待输出题目，用户可以进入在线答题过程。According to the output order of the questions, output the questions to be output one by one, and the user can enter the online answering process.
S150：在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件。S150: During the user's online question answering process, determine whether the current question meets a preset recommendation condition for related questions.
在用户在线答题过程中，针对当前题目，可以确定该当前题目是否符合预设的关联题目推荐条件。During the user's online question answering process, for the current question, it can be determined whether the current question meets the preset recommendation conditions for related questions.
在本发明的一种具体实施方式中，如果当前题目的错误次数大于预设第四阈值，且错误率大于预设第五阈值，则确定当前题目符合预设的关联题目推荐条件。In a specific implementation of the present invention, if the number of errors of the current topic is greater than the preset fourth threshold and the error rate is greater than the preset fifth threshold, it is determined that the current topic meets the preset recommendation conditions for related topics.
在用户在线答题过程中，如果当前题目的错误次数大于预设第四阈值，且错误率大于预设第五阈值，则表明用户可能对当前题目的知识点比较生疏，可以通过让用户集中处理该知识点相关题目使用户掌握该知识点。During the user's online answering process, if the number of errors in the current question is greater than the preset fourth threshold, and the error rate is greater than the preset fifth threshold, it indicates that the user may be relatively unfamiliar with the knowledge points of the current question, and the user can concentrate on processing this question. Topics related to knowledge points enable users to master the knowledge points.
在这种情况下，可以确定当前题目符合预设的关联题目推荐条件。In this case, it may be determined that the current topic meets the preset recommendation conditions for related topics.
在确定当前题目符合预设的关联题目推荐条件时，可以继续执行步骤S160的操作，否则，可以不做其他处理，在当前题目答完之后，继续按照确定的题目输出顺序输出下一道题目。When it is determined that the current topic meets the preset recommendation conditions for related topics, the operation of step S160 can be continued; otherwise, no other processing can be performed, and after the current topic is answered, the next topic can be output in accordance with the determined topic output sequence.
S160：在目标题库中确定当前题目的关联题目。S160: Determine the related question of the current question in the target question bank.
在当前题目符合预设的关联题目推荐条件时，在目标题库中确定当前题目的关联题目。具体的，可以根据预先确定的目标题库中两两题目的相似度，在目标题库中确定当前题目的关联题目。When the current topic meets the preset recommendation conditions for related topics, the related topics of the current topic are determined in the target question bank. Specifically, the related topic of the current topic may be determined in the target question bank according to the similarity between any pair of questions in the predetermined target question bank.
在本发明的一种具体实施方式中，可以通过以下步骤预先确定目标题库中两两题目的相似度：In a specific embodiment of the present invention, the similarity between any two items in the target item bank can be pre-determined through the following steps:
步骤一：获得目标题库中各题目的知识点关键词和难易程度；Step 1: Obtain the knowledge point keywords and difficulty level of each topic in the target question bank;
步骤二：针对目标题库中任意两个题目，根据这两个题目的知识点关键词和难易程度，确定这两个题目的相似度。Step 2: For any two questions in the target question bank, determine the similarity between the two questions according to the knowledge point keywords and difficulty levels of the two questions.
可以预先在目标题库中对每个题目进行知识点关键词标注和难易程度标注。获得目标题库中各题目的知识点关键词和难易程度后，可以根据每个题目对应的知识点关键词和难易程度，确定目标题库中两两题目的相似度。Each topic can be pre-marked with knowledge point keywords and difficulty level in the target question bank. After obtaining the knowledge point keywords and the degree of difficulty of each topic in the target question bank, the similarity between any pair of questions in the target question bank can be determined according to the knowledge point keywords and difficulty level corresponding to each topic.
具体的，可以通过以下公式确定题目i和题目j的相似度sim(ti,tj)：Specifically, the similarity sim(ti,tj) between topic i and topic j can be determined by the following formula:
其中，item_tags(ti)存储了题目i的标注向量，item_tags(tj)存储了题目j的标注向量。Among them, item_tags(ti) stores the tag vector of topic i, and item_tags(tj) stores the tag vector of topic j.
S170：将关联题目推荐给用户。S170: Recommend related topics to the user.
在目标题库中确定当前题目的关联题目后，可以将关联题目推荐给用户。具体的，可以直接输出关联题目，或者可以输出推荐提示信息，根据用户的需求，确定是否输出关联题目。如果用户认为当前没有必要对当前题目的知识点进行巩固练习，则可以拒绝推荐，如果用户同意推荐，则可以将关联题目插入到当前题目之后输出给用户。After the related questions of the current question are determined in the target question bank, the related questions can be recommended to the user. Specifically, related topics may be directly output, or recommended prompt information may be output, and it is determined whether to output related topics according to user requirements. If the user thinks that there is no need to consolidate the knowledge points of the current topic, the recommendation can be rejected. If the user agrees to the recommendation, the associated topic can be inserted into the current topic and output to the user.
应用本发明实施例所提供的方法，在接收到用户针对目标题库的在线答题请求时，获得用户的历史行为数据，根据历史行为数据，确定待输出题目，进一步确定题目输出顺序，逐一输出待输出题目，在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件，如果是，则在目标题库中确定当前题目的关联题目，将关联题目推荐给用户。根据历史行为数据确定的待输出题目更符合用户的答题意愿，在答题过程中将关联题目推荐给用户，使得用户可以有针对性的进行知识点巩固练习，提升了用户的答题体验。Applying the method provided by the embodiment of the present invention, when receiving the user's online answering request for the target question bank, obtain the user's historical behavior data, determine the topics to be output according to the historical behavior data, further determine the output sequence of the topics, and output the to-be-output one by one Question, during the user's online answering process, determine whether the current topic meets the preset recommendation conditions for related topics, and if so, determine the related topic of the current topic in the target question bank, and recommend the related topic to the user. The questions to be output determined according to the historical behavior data are more in line with the user's willingness to answer the questions. During the answering process, the related questions are recommended to the user, so that the user can carry out targeted exercises to consolidate knowledge points and improve the user's answering experience.
在本发明一个实施例中，在用户的历史行为数据为空时，该方法还可以包括以下步骤：In one embodiment of the present invention, when the user's historical behavior data is empty, the method may further include the following steps:
将目标题库中的题目按照从易到难的顺序输出给用户。Output the questions in the target question bank to the user in order from easy to difficult.
在实际应用中，如果用户为新用户，不存在历史行为数据，则可以将目标题库中的题目按照从易到难的顺序输出给用户。In practical applications, if the user is a new user and there is no historical behavior data, the questions in the target question bank can be output to the user in order from easy to difficult.
在本发明的一个实施例中，在线答题请求中携带目标关键词，在步骤S110之后，该方法还可以包括以下步骤：In one embodiment of the present invention, the target keyword is carried in the online question answering request, and after step S110, the method may also include the following steps:
直接将与目标关键词相似度高于预设第六阈值的题目确定为待输出题目。Directly determine the topic whose similarity with the target keyword is higher than the preset sixth threshold as the topic to be output.
在用户有实际需求时，可以基于目标关键词发出针对目标题库的在线答题请求，在线答题请求中携带目标关键词。在这种情况下，可以直接将与目标关键词相似度高于预设第六阈值的题目确定为待输出题目。进一步执行步骤S140及以下步骤。以满足用户当前需求。When the user has actual needs, an online answer request for the target question bank can be issued based on the target keyword, and the online answer request carries the target keyword. In this case, the topic whose similarity with the target keyword is higher than the preset sixth threshold can be directly determined as the topic to be output. Step S140 and the following steps are further executed. to meet the current needs of users.
相应于上面的方法实施例，本发明实施例还提供了一种在线答题题目推荐装置，下文描述的一种在线答题题目推荐装置与上文描述的一种在线答题题目推荐方法可相互对应参照。Corresponding to the above method embodiment, the embodiment of the present invention also provides an online answer topic recommendation device, the online answer topic recommendation device described below and the online answer topic recommendation method described above can be referred to each other.
参见图2所示，该装置包括以下模块：Referring to shown in Figure 2, the device includes the following modules:
在线答题请求接收模块210，用于接收用户针对目标题库的在线答题请求；An online answering request receiving module 210, configured to receive the user's online answering request for the target question bank;
历史行为数据获得模块220，用于获得用户的历史行为数据；Historical behavior data acquisition module 220, used to obtain the user's historical behavior data;
待输出题目确定模块230，用于根据历史行为数据，确定待输出题目；The topic to be output determination module 230 is used to determine the topic to be output according to the historical behavior data;
题目输出模块240，用于进一步确定题目输出顺序，按照题目输出顺序，逐一输出待输出题目；The topic output module 240 is used to further determine the output sequence of the topics, and output the topics to be output one by one according to the output sequence of the topics;
推荐条件确定模块250，用于在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件，如果是，则触发关联题目确定模块260；The recommendation condition determination module 250 is used to determine whether the current topic meets the preset related topic recommendation conditions during the user's online answering process, and if so, trigger the related topic determination module 260;
关联题目确定模块260，用于在目标题库中确定当前题目的关联题目；An associated topic determination module 260, configured to determine an associated topic of the current topic in the target item bank;
关联题目推荐模块270，用于将关联题目推荐给用户。The associated topic recommendation module 270 is configured to recommend associated topics to users.
应用本发明实施例所提供的方法，在接收到用户针对目标题库的在线答题请求时，获得用户的历史行为数据，根据历史行为数据，确定待输出题目，进一步确定题目输出顺序，逐一输出待输出题目，在用户在线答题过程中，确定当前题目是否符合预设的关联题目推荐条件，如果是，则在目标题库中确定当前题目的关联题目，将关联题目推荐给用户。根据历史行为数据确定的待输出题目更符合用户的答题意愿，在答题过程中将关联题目推荐给用户，使得用户可以有针对性的进行知识点巩固练习，提升了用户的答题体验。By applying the method provided by the embodiment of the present invention, when receiving the user's online answering request for the target question bank, the user's historical behavior data is obtained, and according to the historical behavior data, the topics to be output are determined, and the output order of the topics is further determined, and the output to be output is output one by one Question, during the user's online answering process, determine whether the current topic meets the preset recommendation conditions for related topics, and if so, determine the related topic of the current topic in the target question bank, and recommend the related topic to the user. The questions to be output determined according to the historical behavior data are more in line with the user's willingness to answer the questions. During the answering process, the related questions are recommended to the user, so that the user can carry out targeted exercises to consolidate knowledge points and improve the user's answering experience.
在本发明的一种具体实施方式中，历史行为数据包括历史答题行为数据，待输出题目确定模块230，具体用于：In a specific implementation of the present invention, the historical behavior data includes historical answering behavior data, and the topic determination module 230 to be output is specifically used for:
根据历史答题行为数据，确定已答题目的相关信息，相关信息至少包括已答次数、答错次数；According to the historical answering behavior data, determine the relevant information of the answered questions, and the relevant information includes at least the number of times answered and the number of wrong answers;
根据已答题目的相关信息，确定目标题库中待输出题目。According to the relevant information of the answered questions, determine the questions to be output in the target question bank.
在本发明的一种具体实施方式中，历史行为数据包括历史学习行为数据，待输出题目确定模块230，具体用于：In a specific implementation of the present invention, the historical behavior data includes historical learning behavior data, and the topic determination module 230 to be output is specifically used for:
根据历史学习行为数据，确定最近一次的学习内容；Determine the latest learning content based on historical learning behavior data;
在目标题库中查找与学习内容相似度高于预设第一阈值的题目；Find the questions whose similarity with the learning content is higher than the preset first threshold in the target question bank;
将查找到的题目确定为待输出题目。Determine the found topic as a topic to be output.
在本发明的一种具体实施方式中，历史行为数据包括历史搜索行为数据，待输出题目确定模块230，具体用于：In a specific implementation manner of the present invention, the historical behavior data includes historical search behavior data, and the topic determination module 230 to be output is specifically used for:
根据历史搜索行为数据，确定热度高于预设第二阈值的搜索关键词；According to the historical search behavior data, determine the search keywords whose popularity is higher than the preset second threshold;
在目标题库中查找与搜索关键词相似度高于预设第三阈值的题目；Searching for questions whose similarity with the search keywords is higher than the preset third threshold in the target question bank;
将查找到的题目确定为待输出题目。Determine the found topic as a topic to be output.
在本发明的一种具体实施方式中，推荐条件确定模块250，具体用于：In a specific implementation manner of the present invention, the recommended condition determination module 250 is specifically used for:
如果当前题目的错误次数大于预设第四阈值，且错误率大于预设第五阈值，则确定当前题目符合预设的关联题目推荐条件。If the number of errors of the current topic is greater than the preset fourth threshold and the error rate is greater than the preset fifth threshold, it is determined that the current topic meets the preset recommendation conditions for related topics.
在本发明的一种具体实施方式中，关联题目确定模块260，具体用于：In a specific implementation manner of the present invention, the associated topic determination module 260 is specifically used for:
根据预先确定的目标题库中两两题目的相似度，在目标题库中确定当前题目的关联题目。According to the similarity of any pair of questions in the predetermined target question bank, the related question of the current question is determined in the target question bank.
在本发明的一种具体实施方式中，还包括相似度确定模块，用于通过以下步骤预先确定目标题库中两两题目的相似度：In a specific embodiment of the present invention, it also includes a similarity determination module, which is used to predetermine the similarity of any pair of questions in the target question bank through the following steps:
获得目标题库中各题目的知识点关键词和难易程度；Obtain the knowledge point keywords and difficulty level of each topic in the target question bank;
针对目标题库中任意两个题目，根据这两个题目的知识点关键词和难易程度，确定这两个题目的相似度。For any two questions in the target question bank, determine the similarity between the two questions according to the knowledge point keywords and difficulty of the two questions.
在本发明的一种具体实施方式中，在用户的历史行为数据为空时，题目输出模块240，还用于：In a specific implementation of the present invention, when the user's historical behavior data is empty, the topic output module 240 is also used to:
将目标题库中的题目按照从易到难的顺序输出给用户。Output the questions in the target question bank to the user in order from easy to difficult.
在本发明的一种具体实施方式中，在线答题请求中携带目标关键词，待输出题目确定模块230，还用于：In a specific embodiment of the present invention, the online answering request carries target keywords, and the topic determination module 230 to be output is also used for:
在接收用户针对目标题库的在线答题请求之后，直接将与目标关键词相似度高于预设第六阈值的题目确定为待输出题目。After receiving the user's online question answering request for the target question bank, directly determine the questions whose similarity with the target keyword is higher than the preset sixth threshold as the questions to be output.
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其它实施例的不同之处，各个实施例之间相同或相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处参见方法部分说明即可。Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the related part, please refer to the description of the method part.
专业人员还可以进一步意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。Professionals can further realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, computer software or a combination of the two. In order to clearly illustrate the possible For interchangeability, in the above description, the composition and steps of each example have been generally described according to their functions. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.
结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein may be directly implemented by hardware, software modules executed by a processor, or a combination of both. Software modules can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other Any other known storage medium.
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的技术方案及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。In this paper, specific examples are used to illustrate the principles and implementation methods of the present invention, and the descriptions of the above embodiments are only used to help understand the technical solutions and core ideas of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
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