CN105704168B - The method and apparatus of relationship between a kind of network node in adjustment Internet of Things - Google Patents
The method and apparatus of relationship between a kind of network node in adjustment Internet of Things Download PDFInfo
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Abstract
本发明公开了一种调整物联网中的网络节点之间关系的方法和装置，用以解决现有技术中由于无法确定物联网中的网络节点的重要性，从而导致网物联网中信息冗余，消息分发效率降低的问题。该方法包括：确定网络节点的节点集合；所述节点集合中包含所述网络节点的消息订阅节点和消息推送节点；获取所述网络节点和所述节点集合中每个节点的属性信息和发布的消息数量；根据所述网络节点和所述节点集合中每个节点的属性信息和发布的消息数量，确定表征所述网络节点在所述节点集合中的重要性的评估值；根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的关系进行调整。
The invention discloses a method and device for adjusting the relationship between network nodes in the Internet of Things, which are used to solve the problem of information redundancy in the Internet of Things due to the inability to determine the importance of network nodes in the Internet of Things in the prior art , the problem of reduced message distribution efficiency. The method includes: determining a node set of network nodes; the node set includes a message subscription node and a message push node of the network node; obtaining attribute information and published information of the network node and each node in the node set The number of messages; according to the attribute information of the network node and each node in the node set and the number of published messages, determine the evaluation value that characterizes the importance of the network node in the node set; according to the determined characterization The evaluation value of the importance of the network node in the node set adjusts the relationship between the network nodes.
Description
技术领域technical field
本发明涉及物联网技术领域，尤其涉及一种调整物联网中的网络节点之间关系的方法和装置。The invention relates to the technical field of the Internet of Things, in particular to a method and a device for adjusting the relationship between network nodes in the Internet of Things.
背景技术Background technique
现有的物联网技术通常是按照设计者预先设想好的物联网业务逻辑来组织网络节点(比如终端和传感器)之间的通信连接和消息传递。如果把物联网网络节点间的业务逻辑比喻为社交关系，那么物联网网络节点间的社交关系大都是被动建立的，比如，一个自动的照明控制系统由三台设备组成，一台用于检测房间内光照强度的光照传感器、一台用于检测房间内是否有人的生物传感器和一台控制照明等开关的控制器。设计者设想的业务逻辑为当房间中有人且光照强度低于门限值时开启照明，当房间中没有人时关闭照明，于是网络节点之间的连接方式和消息发送与接收机制就确定了，即网络节点间的社交关系就确定了。Existing IoT technologies usually organize communication connections and message delivery between network nodes (such as terminals and sensors) according to the IoT business logic pre-conceived by the designer. If the business logic between IoT network nodes is compared to social relationships, then the social relationships between IoT network nodes are mostly passively established. For example, an automatic lighting control system consists of three devices, one is used to detect room A light sensor for the level of light in the room, a biometric sensor to detect if someone is in the room, and a controller to switch the lights, etc. on and off. The business logic conceived by the designer is to turn on the lighting when there are people in the room and the light intensity is lower than the threshold value, and turn off the lighting when there is no one in the room, so the connection mode between network nodes and the message sending and receiving mechanism are determined. That is, the social relationship between network nodes is determined.
现有的物联网中网络节点间的社交关系基本都是以此种方式建立起来的，然而随着网络规模的扩大，新设备的加入，前期建立的社交关系可能后期会失去价值，同时，可能造成信息冗余，消息分发效率降低。The social relationship between network nodes in the existing Internet of Things is basically established in this way. However, with the expansion of the network scale and the addition of new devices, the social relationship established in the early stage may lose value in the later stage. At the same time, it may It causes information redundancy and reduces the efficiency of message distribution.
如果能够确定出各网络节点在物联网中的重要性，就能够根据其重要性对各网络节点的网络结构进行优化和分析，以提高网络能力。但是，由于当前的物联网都是由各自独立的网络节点组成的，这些网络节点只完成各自独立的应用，彼此间没有直接的联系，无法进行信息的有效共享，故无法确定出各网络节点在整个物联网中的重要性。If the importance of each network node in the Internet of Things can be determined, the network structure of each network node can be optimized and analyzed according to its importance to improve network capabilities. However, since the current Internet of Things is composed of independent network nodes, these network nodes only complete their own independent applications, have no direct connection with each other, and cannot effectively share information, so it is impossible to determine where each network node is. Importance in the entire Internet of Things.
发明内容Contents of the invention
本发明实施例提供一种调整物联网中的网络节点之间关系的方法和装置，用以解决现有技术中由于无法确定物联网中的网络节点的重要性，从而导致网物联网中信息冗余，消息分发效率降低的问题。Embodiments of the present invention provide a method and device for adjusting the relationship between network nodes in the Internet of Things to solve the problem of information redundancy in the Internet of Things due to the inability to determine the importance of network nodes in the Internet of Things in the prior art. In addition, the problem of reduced message distribution efficiency.
本发明实施例采用以下技术方案：Embodiments of the present invention adopt the following technical solutions:
本发明实施例提供了一种调整物联网中的网络节点之间关系的方法，包括：An embodiment of the present invention provides a method for adjusting the relationship between network nodes in the Internet of Things, including:
确定网络节点的节点集合；所述节点集合中包含所述网络节点的消息订阅节点和消息推送节点；Determining a node set of network nodes; the node set includes message subscription nodes and message push nodes of the network nodes;
获取所述网络节点和所述节点集合中每个节点的属性信息和发布的消息数量；Obtain the attribute information and the number of published messages of the network node and each node in the node set;
根据所述网络节点和所述节点集合中每个节点的属性信息和发布的消息数量，确定表征所述网络节点在所述节点集合中的重要性的评估值；determining an evaluation value representing the importance of the network node in the node set according to the attribute information and the number of published messages of the network node and each node in the node set;
根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的关系进行调整。According to the determined evaluation value representing the importance of the network node in the node set, the relationship between the network nodes is adjusted.
其中，节点的属性信息包括：节点的消息订阅节点的数量和节点的消息推送节点的数量；则Among them, the attribute information of the node includes: the number of message subscription nodes of the node and the number of message push nodes of the node;
根据所述网络节点和所述节点集合中每个节点的属性信息和发布的消息数量，确定表征所述网络节点在所述节点集合中的重要性的评估值，具体包括：According to the attribute information and the number of published messages of the network node and each node in the node set, determine an evaluation value representing the importance of the network node in the node set, specifically including:
根据所述网络节点和所述节点集合中每个消息推送节点的属性信息，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；以及According to the attribute information of the network node and each message push node in the node set, determine the contribution value of each message push node in the node set to the network node; and
根据所述网络节点和所述节点集合中每个节点发布的消息数量以及所述网络节点的属性信息，确定表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值；According to the number of messages published by each node in the network node and the node set and the attribute information of the network node, determine an evaluation characterizing the importance of the message issued by the network node in the messages issued by the node set value;
根据所述节点集合中每个消息推送节点对所述网络节点的贡献值和表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，确定表征所述网络节点在所述节点集合中的重要性的评估值。According to the contribution value of each message push node in the node set to the network node and the evaluation value representing the importance of the message published by the network node in the messages published by the node set, determine the network node Estimated value of importance in the set of nodes.
其中，根据所述网络节点和所述节点集合中每个消息推送节点的属性信息，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值，具体包括：Wherein, according to the attribute information of the network node and each message push node in the node set, determine the contribution value of each message push node in the node set to the network node, specifically including:
根据公式确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；其中：According to the formula Determine the contribution value of each message push node in the node set to the network node; wherein:
VB→A为所述节点集合中每个消息推送节点B对所述网络节点A的贡献值；V B→A is the contribution value of each message pushing node B in the node set to the network node A;
VB为所述节点集合中每个消息推送节点B的重要性，其中，VB的初始值为NB，所述NB为所述节点集合中每个消息推送节点B的消息推送节点的数量；V B is the importance of each message push node B in the node set, wherein the initial value of V B is NB , and the NB is the message push node of each message push node B in the node set quantity;
Nj为节点j的消息推送节点的数量，其中，j为所述节点集合中的消息推送节点B的消息订阅节点，且所述j的数量为p。N j is the number of message push nodes of node j, wherein j is the message subscription node of message push node B in the node set, and the number of j is p.
其中，根据所述网络节点和所述节点集合中每个节点发布的消息数量以及所述网络节点的属性信息，确定表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，具体包括：Wherein, according to the number of messages published by each node in the network node and the node set and the attribute information of the network node, determine the importance of the message published by the network node in the messages published by the node set The estimated value of , including:
根据公式确定所述网络节点发布的消息在所述节点集合发布的消息中的重要性；其中：According to the formula determining the importance of the messages published by the network nodes among the messages published by the set of nodes; wherein:
MV为表征所述网络节点A发布的消息在所述节点集合发布的消息中的重要性的评估值；M V is an evaluation value representing the importance of the message issued by the network node A in the messages issued by the node set;
MA为所述网络节点A发布的消息数量；M A is the number of messages issued by the network node A;
Mk为节点k发布的消息数量，其中，所述k为所述网络节点A的消息推送节点，且所述k的数量为n；M k is the number of messages issued by node k, wherein the k is the message push node of the network node A, and the number of k is n;
Mt为节点t发布的消息数量，其中，所述t为所述网络节点A的消息订阅节点，且所述t的数量为m；M t is the number of messages published by node t, wherein the t is the message subscription node of the network node A, and the number of t is m;
Mr为节点r发布的消息数量，其中，所述r为所述网络节点A的消息推送节点和消息订阅节点的交集节点，且所述r的数量为o。M r is the number of messages published by node r, where r is the intersection node of the message push node and the message subscription node of the network node A, and the number of r is o.
其中，根据所述节点集合中每个消息推送节点对所述网络节点的贡献值和表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，确定表征所述网络节点在所述节点集合中的重要性的评估值，具体包括：Wherein, according to the contribution value of each message push node in the node set to the network node and the evaluation value representing the importance of the message published by the network node in the message published by the node set, determine the The evaluation value of the importance of the network node in the node set, specifically including:
根据所述节点集合中每个消息推送节点对所述网络节点的贡献值，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值的和值；According to the contribution value of each message push node in the node set to the network node, determine the sum of the contribution value of each message push node in the node set to the network node;
将所述和值以及表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，按照预先设置的权重值相加，得到表征所述网络节点在所述节点集合中的重要性的评估值。Adding the sum value and the evaluation value representing the importance of the message issued by the network node in the message issued by the node set according to the preset weight value to obtain The evaluation value of the importance in .
其中，根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的关系进行调整，具体包括：Wherein, adjusting the relationship between the network nodes according to the determined evaluation value representing the importance of the network node in the node set, specifically includes:
根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的消息订阅关系和消息推送关系进行调整。According to the determined evaluation value representing the importance of the network node in the node set, the message subscription relationship and the message push relationship between the network nodes are adjusted.
本发明实施例提供了一种调整物联网中的网络节点之间关系的装置，包括：An embodiment of the present invention provides a device for adjusting the relationship between network nodes in the Internet of Things, including:
节点集合确定单元，用于确定网络节点的节点集合；所述节点集合中包含所述网络节点的消息订阅节点和消息推送节点；A node set determining unit, configured to determine a node set of network nodes; the node set includes message subscription nodes and message push nodes of the network nodes;
节点信息获取单元，用于获取所述网络节点和所述节点集合确定单元确定的节点集合中每个节点的属性信息和发布的消息数量；a node information acquiring unit, configured to acquire the attribute information and the number of published messages of the network node and each node in the node set determined by the node set determining unit;
重要性评估值确定单元，用于根据所述节点信息获取单元获取的网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征所述网络节点在所述节点集合中的重要性的评估值；An importance evaluation value determination unit, configured to determine the importance of the network node in the node set according to the attribute information and the number of published messages of the network nodes and each node in the node set acquired by the node information acquisition unit Sexual evaluation value;
调整单元，用于根据所述重要性评估值确定单元确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的关系进行调整。An adjustment unit, configured to adjust the relationship between the network nodes according to the evaluation value representing the importance of the network node in the node set determined by the importance evaluation value determination unit.
其中，节点的属性信息包括：节点的消息订阅节点的数量和节点的消息推送节点的数量；则Among them, the attribute information of the node includes: the number of message subscription nodes of the node and the number of message push nodes of the node;
所述重要性评估值确定单元，具体包括：The importance evaluation value determination unit specifically includes:
贡献值确定模块，用于根据所述网络节点和所述节点集合中每个消息推送节点的属性信息，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；A contribution value determination module, configured to determine the contribution value of each message push node in the node set to the network node according to the network node and the attribute information of each message push node in the node set;
第一重要性评估值确定模块，用于根据所述网络节点和所述节点集合中每个节点发布的消息数量以及所述网络节点的属性信息，确定表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值；The first importance evaluation value determining module is configured to determine, according to the number of messages published by the network node and each node in the node set, and the attribute information of the network node, to determine that the message issued by the network node is in the An evaluation of importance in messages published by a collection of nodes;
第二重要性评估值确定模块，用于根据所述贡献值确定模块确定的节点集合中每个消息推送节点对所述网络节点的贡献值和所述第一重要性评估值确定模块确定的表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，确定表征所述网络节点在所述节点集合中的重要性的评估值。The second importance evaluation value determination module is configured to use the contribution value of each message pushing node in the node set determined by the contribution value determination module to the network node and the characterization determined by the first importance evaluation value determination module The evaluation value of the importance of the message issued by the network node in the messages issued by the node set determines the evaluation value representing the importance of the network node in the node set.
其中，所述贡献值确定模块，具体用于：Wherein, the contribution value determination module is specifically used for:
根据公式确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；其中：According to the formula Determine the contribution value of each message push node in the node set to the network node; wherein:
VB→A为所述节点集合中每个消息推送节点B对所述网络节点A的贡献值；V B→A is the contribution value of each message pushing node B in the node set to the network node A;
VB为所述节点集合中每个消息推送节点B的重要性，其中，VB的初始值为NB，所述NB为所述节点集合中每个消息推送节点B的消息推送节点的数量；V B is the importance of each message push node B in the node set, wherein the initial value of V B is NB , and the NB is the message push node of each message push node B in the node set quantity;
Nj为节点j的消息推送节点的数量，其中，j为所述节点集合中的消息推送节点B的消息订阅节点，且所述j的数量为p。N j is the number of message push nodes of node j, wherein j is the message subscription node of message push node B in the node set, and the number of j is p.
其中，所述第一重要性评估值确定模块，具体用于：Wherein, the first importance evaluation value determining module is specifically used for:
根据公式确定所述网络节点发布的消息在所述节点集合发布的消息中的重要性；其中：According to the formula determining the importance of the messages published by the network nodes among the messages published by the set of nodes; wherein:
MV为表征所述网络节点A发布的消息在所述节点集合发布的消息中的重要性的评估值；M V is an evaluation value representing the importance of the message issued by the network node A in the messages issued by the node set;
MA为所述网络节点A发布的消息数量；M A is the number of messages issued by the network node A;
Mk为节点k发布的消息数量，其中，所述k为所述网络节点A的消息推送节点，且所述k的数量为n；M k is the number of messages issued by node k, wherein the k is the message push node of the network node A, and the number of k is n;
Mt为节点t发布的消息数量，其中，所述t为所述网络节点A的消息订阅节点，且所述t的数量为m；M t is the number of messages published by node t, wherein the t is the message subscription node of the network node A, and the number of t is m;
Mr为节点r发布的消息数量，其中，所述r为所述网络节点A的消息推送节点和消息订阅节点的交集节点，且所述r的数量为o。M r is the number of messages published by node r, where r is the intersection node of the message push node and the message subscription node of the network node A, and the number of r is o.
其中，所述第二重要性评估值确定模块，具体用于：Wherein, the second importance evaluation value determining module is specifically used for:
根据所述节点集合中每个消息推送节点对所述网络节点的贡献值，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值的和值；将所述和值以及表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，按照预先设置的权重值相加，得到表征所述网络节点在所述节点集合中的重要性的评估值。According to the contribution value of each message push node in the node set to the network node, determine the sum of the contribution value of each message push node in the node set to the network node; The evaluation value of the importance of the message issued by the network node among the messages issued by the node set is added according to the preset weight value to obtain an evaluation value representing the importance of the network node in the node set .
其中，所述调整单元，具体用于：Wherein, the adjustment unit is specifically used for:
根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的消息订阅关系和消息推送关系进行调整。According to the determined evaluation value representing the importance of the network node in the node set, the message subscription relationship and the message push relationship between the network nodes are adjusted.
本发明实施例的有益效果如下：The beneficial effects of the embodiments of the present invention are as follows:
本发明实施例中，确定网络节点的节点集合之后，根据网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征网络节点在节点集合中的重要性的评估值，从而能够基于确定出的评估值，对网络节点之间的关系进行调整，实现了对物联网整体的网络结构的优化，提高了网络能力，避免了物联网中信息冗余，消息分发效率降低的问题。In the embodiment of the present invention, after determining the node set of network nodes, according to the network node and the attribute information of each node in the node set and the number of published messages, determine the evaluation value representing the importance of the network node in the node set, so that Based on the determined evaluation value, the relationship between network nodes is adjusted to optimize the overall network structure of the Internet of Things, improve network capabilities, and avoid the problems of information redundancy and reduced message distribution efficiency in the Internet of Things.
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在所写的说明书、权利要求书、以及附图中所特别指出的结构来实现和获得。Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
附图说明Description of drawings
此处所说明的附图用来提供对本发明的进一步理解，构成本发明的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings described here are used to provide a further understanding of the present invention, and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute improper limitations to the present invention. In the attached picture:
图1为本发明实施例提供的一种调整物联网中的网络节点之间关系的方法的实现流程图；FIG. 1 is an implementation flowchart of a method for adjusting the relationship between network nodes in the Internet of Things provided by an embodiment of the present invention;
图2为本发明实施例提供的一种确定表征网络节点在节点集合中的重要性的评估值的方法的实现流程图；FIG. 2 is an implementation flowchart of a method for determining an evaluation value representing the importance of a network node in a node set provided by an embodiment of the present invention;
图3为本发明实施例提供的一种调整物联网中的网络节点之间关系的装置的结构示意图。FIG. 3 is a schematic structural diagram of an apparatus for adjusting the relationship between network nodes in the Internet of Things provided by an embodiment of the present invention.
具体实施方式Detailed ways
为了解决现有技术中存在的问题，本发明实施例提供了一种调整物联网中的网络节点之间关系的方案。该技术方案中，确定网络节点的节点集合之后，根据网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征网络节点在节点集合中的重要性的评估值，从而能够基于确定出的评估值，对网络节点之间的关系进行调整，实现了对物联网整体的网络结构的优化，提高了网络能力，避免了物联网中信息冗余，消息分发效率降低的问题。In order to solve the problems in the prior art, an embodiment of the present invention provides a solution for adjusting the relationship between network nodes in the Internet of Things. In this technical solution, after determining the node set of network nodes, according to the network node and the attribute information of each node in the node set and the number of published messages, determine the evaluation value representing the importance of the network node in the node set, so that it can be based on The determined evaluation value adjusts the relationship between network nodes, realizes the optimization of the overall network structure of the Internet of Things, improves the network capacity, and avoids the problems of information redundancy and reduced message distribution efficiency in the Internet of Things.
以下结合说明书附图对本发明的实施例进行说明，应当理解，此处所描述的实施例仅用于说明和解释本发明，并不用于限制本发明。并且在不冲突的情况下，本发明中的实施例及实施例的特征可以互相结合。The embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention. And in the case of no conflict, the embodiments and the features of the embodiments in the present invention can be combined with each other.
为了便于对本发明实施例进行介绍，首先对本发明实施例中涉及到的几个概念进行说明。In order to facilitate the introduction of the embodiments of the present invention, several concepts involved in the embodiments of the present invention are described first.
物联网社交平台：提供社交网络功能，比如各网络节点间的社交关系建立，消息发布和消息传递等。Internet of Things social platform: Provides social network functions, such as the establishment of social relationships between network nodes, news release and message delivery, etc.
物联网网络节点：可以是传感器、终端或通信网关基本设备等，也可以是具体到应用场景中的智能家居设备和智能交通设备等，以及物联网中的用户和应用。Internet of Things network nodes: It can be sensors, terminals or basic communication gateway devices, etc., or it can be smart home devices and smart transportation devices specific to application scenarios, as well as users and applications in the Internet of Things.
本发明实施例提供了一种调整物联网中的网络节点之间关系的方法，如图1所示，为该方法的实现流程图，具体包括下述步骤：The embodiment of the present invention provides a method for adjusting the relationship between network nodes in the Internet of Things, as shown in Figure 1, which is a flow chart for the implementation of the method, specifically including the following steps:
步骤11，确定网络节点的节点集合；其中，该节点集合中包含该网络节点的消息订阅节点和消息推送节点。Step 11, determine the node set of the network node; wherein, the node set includes the message subscribing node and the message pushing node of the network node.
其中，网络节点的消息订阅节点，指的是向该网络节点发送消息的节点。以社交网络来说，网络节点的消息订阅节点就是该网络节点关注的节点，即该网络节点的好友。Wherein, a message subscribing node of a network node refers to a node that sends a message to the network node. Taking a social network as an example, a message subscription node of a network node is a node that the network node pays attention to, that is, a friend of the network node.
网络节点的消息推送节点，指的是该网络节点推送消息的节点。以社交网络来说，网络节点的消息推送节点就是关注该网络节点的节点，即该网络节点的粉丝。The message push node of the network node refers to the node that the network node pushes the message. In the case of a social network, the message push node of a network node is the node that pays attention to the network node, that is, the fan of the network node.
而包含网络节点的消息订阅节点和消息推送节点的节点集合可以理解为该网络节点的社交圈。The node set including the message subscription node and the message push node of the network node can be understood as the social circle of the network node.
步骤12，获取网络节点和节点集合中每个节点的属性信息和发布的消息数量。Step 12, acquire the attribute information and the number of published messages of the network nodes and each node in the node set.
其中，节点属性信息包括其基本属性，比如设备类型、名称、生产厂家、生产时间等，其中和重要性最相关的属性可以认为是该网络节点的消息订阅节点和消息推送节点的数量。Among them, the node attribute information includes its basic attributes, such as device type, name, manufacturer, production time, etc. Among them, the attribute most related to importance can be considered as the number of message subscription nodes and message push nodes of the network node.
另外，节点根据其应用不同，会有不同的业务逻辑，其动态发布的消息数量也。在特定应用场景中，单一节点发布的消息越多，其重要性可认为越大。In addition, nodes will have different business logics depending on their applications, and the number of messages they dynamically publish will also vary. In a specific application scenario, the more messages a single node publishes, the greater its importance can be considered.
比如，在车联网应用中，路口信号灯可作为物联网中的一个节点，其周边一定范围内可定义为一个车联网社交圈，路口信号灯可以实时将周边一定范围内的交通信息发布到物联网社交平台中，便于此社交圈内的其它车辆获取实时路况信息，那么该路口信号灯发布的消息数量必然多余同属此社交圈中的其它车辆，即路口信号灯的重要性肯定大于同属此社交圈中的其它车辆。For example, in the application of the Internet of Vehicles, the intersection signal light can be used as a node in the Internet of Things, and a certain range around it can be defined as a social circle of the Internet of Vehicles. The intersection signal light can publish traffic information within a certain range around it to the Internet of Things social network in real time In the platform, it is convenient for other vehicles in this social circle to obtain real-time traffic information, so the number of messages released by the intersection signal must be more than that of other vehicles belonging to the same social circle, that is, the importance of the intersection signal must be greater than that of other vehicles belonging to the same social circle. vehicle.
步骤13，根据获取的网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征网络节点在节点集合中的重要性的评估值。Step 13, according to the acquired attribute information of the network nodes and each node in the node set, and the number of published messages, determine an evaluation value representing the importance of the network node in the node set.
其中，本发明实施例中，节点的属性信息可以但不限于包括节点的消息订阅节点的数量和节点的消息推送节点的数量。Wherein, in the embodiment of the present invention, the attribute information of the node may include, but is not limited to, the number of message subscribing nodes of the node and the number of message pushing nodes of the node.
步骤14，根据确定出的表征网络节点在所述节点集合中的重要性的评估值，对网络节点之间的关系进行调整。Step 14, adjust the relationship between the network nodes according to the determined evaluation value representing the importance of the network nodes in the node set.
具体的，根据确定出的表征网络节点在所述节点集合中的重要性的评估值，对网络节点之间的消息订阅关系和消息推送关系进行调整。Specifically, according to the determined evaluation value representing the importance of the network node in the node set, the message subscription relationship and the message push relationship between the network nodes are adjusted.
本发明实施例中，确定网络节点的节点集合之后，根据网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征网络节点在节点集合中的重要性的评估值，从而能够基于确定出的评估值，对网络节点之间的关系进行调整，实现了对物联网整体的网络结构的优化，提高了网络能力，避免了物联网中信息冗余，消息分发效率降低的问题。In the embodiment of the present invention, after determining the node set of network nodes, according to the network node and the attribute information of each node in the node set and the number of published messages, determine the evaluation value representing the importance of the network node in the node set, so that Based on the determined evaluation value, the relationship between network nodes is adjusted to optimize the overall network structure of the Internet of Things, improve network capabilities, and avoid the problems of information redundancy and reduced message distribution efficiency in the Internet of Things.
网络节点的重要性评估值(即表征其重要性的评估值)是优化物联网社交网络结构及消息传递速度的重要输入，由于物联网中网络节点间的社交关系建立大都为被动建立，故随着网络规模的扩大，新物体及应用的加入，前期建立的关系可能后期会失去价值，同时，可能造成信息冗余，消息分发效率降低，通过重要性评估值便可以删除不必要的社交关系，减少社交圈中的冗余信息的传递，或者优化网络结构，减少信息传递的层次，优化信息传递速度。The evaluation value of the importance of network nodes (that is, the evaluation value representing its importance) is an important input for optimizing the social network structure and message delivery speed of the Internet of Things. Since the establishment of social relationships between network nodes in the Internet of Things is mostly passive, it is With the expansion of the network scale and the addition of new objects and applications, the relationship established in the early stage may lose value in the later stage. At the same time, it may cause information redundancy and reduce the efficiency of message distribution. Unnecessary social relationships can be deleted through the importance evaluation value. Reduce the transmission of redundant information in the social circle, or optimize the network structure, reduce the level of information transmission, and optimize the speed of information transmission.
为了更好的理解本发明实施例，以下结合具体的实施对本发明实施例中的步骤13的具体实施过程进行说明。In order to better understand the embodiment of the present invention, the specific implementation process of step 13 in the embodiment of the present invention will be described below in conjunction with specific implementation.
步骤13可以如图2所示的方法执行：Step 13 can be performed as shown in Figure 2:
步骤21，根据网络节点和节点集合中每个消息推送节点的属性信息，确定节点集合中每个消息推送节点对网络节点的贡献值；Step 21, according to the network node and the attribute information of each message push node in the node set, determine the contribution value of each message push node in the node set to the network node;
由于网络节点发布的消息都会被其消息推送节点接收到，其消息推送节点会将网络节点发布的消息进行处理及转发，因此可以认为是消息推送节点帮助该网络节点扩散了消息，即增大了该网络节点的重要性。Since the messages released by the network nodes will be received by their message push nodes, and their message push nodes will process and forward the messages released by the network nodes, it can be considered that the message push nodes help the network node to spread the message, that is, increase the The importance of this network node.
因此，如果网络节点的消息推送节点的数量越多，则该网络节点的重要性越高，同时消息推送节点对该网络节点的贡献值也越大，因此可以根据消息推送节点在自身(指消息推送节点)的消息订阅节点中对该网络节点的贡献值的比率确定出消息推送节点对该网络节点的贡献值。Therefore, if the number of message push nodes of the network node is more, the importance of the network node is higher, and the contribution value of the message push node to the network node is also greater, so it can be based on the message push node in itself (referring to the message The ratio of the contribution value of the message subscription node of the push node to the network node determines the contribution value of the message push node to the network node.
假设网络节点为A，A的消息推送节点(粉丝)为B，B的消息订阅节点(好友)数量为p，则可以根据下述公式(1)确定节点集合中每个消息推送节点对所述网络节点的贡献值：Assuming that the network node is A, the message push node (fan) of A is B, and the number of message subscription nodes (friends) of B is p, then the following formula (1) can be used to determine the contribution of each message push node in the node set to the Contribution value of network nodes:
其中：VB→A为节点集合中每个消息推送节点B对网络节点A的贡献值；Among them: V B→A is the contribution value of each message push node B to network node A in the node set;
VB为节点集合中每个消息推送节点B的重要性，其中，VB的初始值可以为NB，而NB为节点集合中每个消息推送节点B的消息推送节点的数量；V B is the importance of each message push node B in the node set, wherein the initial value of V B can be NB , and NB is the number of message push nodes of each message push node B in the node set;
Nj为节点j的消息推送节点的数量，其中，j为节点集合中的消息推送节点B的消息订阅节点，且j的数量为p。N j is the number of message push nodes of node j, where j is the message subscription node of message push node B in the node set, and the number of j is p.
步骤22，根据网络节点和节点集合中每个节点发布的消息数量以及网络节点的属性信息，确定表征网络节点发布的消息在节点集合发布的消息中的重要性的评估值；Step 22, according to the network node and the number of messages issued by each node in the node set and the attribute information of the network node, determine an evaluation value representing the importance of the message issued by the network node in the messages issued by the node set;
网络节点的社交圈包括其消息订阅节点和消息推送节点，因此，可以根据该网络节点发布的消息占其社交圈中发布的消息数量的比率来确定表征该网络节点在其社交圈中发布的消息的重要性的评估值。The social circle of a network node includes its message subscription node and message push node, therefore, the message published by the network node in its social circle can be determined according to the ratio of the message published by the network node to the number of messages published in its social circle The evaluation value of the importance.
依然以网络节点为A为例，A的消息推送节点(粉丝)数量为n，A的消息订阅节点(好友)数量为n，A的消息推送节点和消息订阅节点的交集节点(互粉，即是好友又是粉丝)数量为o，则可以根据下述公式(2)确定表征网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值：Still taking the network node as A as an example, the number of A’s message push nodes (fans) is n, the number of A’s message subscription nodes (friends) is n, and the intersection nodes of A’s message push nodes and message subscription nodes (mutual fans, that is, is a good friend and a fan) is o, then it can be determined according to the following formula (2) to characterize the evaluation value of the importance of the message issued by the network node in the message issued by the node set:
其中：MV为表征网络节点A发布的消息在节点集合发布的消息中的重要性的评估值；Among them: M V is an evaluation value representing the importance of the message issued by the network node A in the message issued by the node set;
MA为网络节点A发布的消息数量；M A is the number of messages published by network node A;
Mk为节点k发布的消息数量，其中，k为网络节点A的消息推送节点，且k的数量为n；M k is the number of messages published by node k, where k is the message push node of network node A, and the number of k is n;
Mt为节点t发布的消息数量，其中，t为网络节点A的消息订阅节点，且t的数量为m；M t is the number of messages published by node t, where t is the message subscription node of network node A, and the number of t is m;
Mr为节点r发布的消息数量，其中，r为网络节点A的消息推送节点和消息订阅节点的交集节点，且r的数量为o。M r is the number of messages published by node r, where r is the intersection node of the message push node and message subscription node of network node A, and the number of r is o.
步骤23，根据节点集合中每个消息推送节点对网络节点的贡献值和表征网络节点发布的消息在节点集合发布的消息中的重要性的评估值，确定表征网络节点在节点集合中的重要性的评估值。Step 23, according to the contribution value of each message push node in the node set to the network node and the evaluation value representing the importance of the message published by the network node in the message published by the node set, determine the importance of the representative network node in the node set evaluation value.
具体的，首先根据节点集合中每个消息推送节点对网络节点的贡献值，确定节点集合中每个消息推送节点对网络节点的贡献值的和值；再将上述和值以及确定出的表征网络节点发布的消息在节点集合发布的消息中的重要性的评估值，按照预先设置的权重值相加，得到表征网络节点在节点集合中的重要性的评估值。Specifically, first, according to the contribution value of each message push node in the node set to the network node, determine the sum of the contribution value of each message push node in the node set to the network node; then the above sum value and the determined representative network The evaluation value of the importance of the message published by the node in the message published by the node set is added according to the preset weight value to obtain the evaluation value representing the importance of the network node in the node set.
上述过程可以如下述公式(3)所示：The above process can be shown in the following formula (3):
其中，VA为表征网络节点在节点集合中的重要性的评估值；Among them, V A is an evaluation value representing the importance of a network node in a node set;
为节点集合中每个消息推送节点对网络节点的贡献值的和值； It is the sum of the contribution value of each message push node in the node set to the network nodes;
MV为表征网络节点发布的消息在节点集合发布的消息中的重要性的评估值；M V is an evaluation value that characterizes the importance of the message published by the network node in the message published by the node set;
C1和C2是两个预先设置的权重值，C1+C2＝1。C1 and C2 are two preset weight values, C1+C2=1.
结合上述步骤21和步骤22，上述公式(3)变化为下述公式(4)：In combination with the above step 21 and step 22, the above formula (3) changes into the following formula (4):
完成初始化计算后，就可以根据计算结果动态计算更新各网络节点的重要性的评估值。After the initialization calculation is completed, the evaluation value of the importance of each network node can be dynamically calculated and updated according to the calculation result.
基于同一发明构思，本发明实施例中还提供了一种调整物联网中的网络节点之间关系的装置，由于上述装置解决问题的原理与调整物联网中的网络节点之间关系的方法相似，因此上述装置的实施可以参见方法的实施，重复之处不再赘述。Based on the same inventive concept, an embodiment of the present invention also provides a device for adjusting the relationship between network nodes in the Internet of Things. Since the problem-solving principle of the above-mentioned device is similar to the method for adjusting the relationship between network nodes in the Internet of Things, Therefore, the implementation of the above-mentioned device can refer to the implementation of the method, and repeated descriptions will not be repeated.
如图3所示，为本发明实施例提供的调整物联网中的网络节点之间关系的装置的结构示意图，包括：As shown in FIG. 3, it is a schematic structural diagram of a device for adjusting the relationship between network nodes in the Internet of Things provided by an embodiment of the present invention, including:
节点集合确定单元31，用于确定网络节点的节点集合；所述节点集合中包含所述网络节点的消息订阅节点和消息推送节点；A node set determining unit 31, configured to determine a node set of a network node; the node set includes a message subscription node and a message push node of the network node;
节点信息获取单元32，用于获取所述网络节点和所述节点集合确定单元31确定的节点集合中每个节点的属性信息和发布的消息数量；A node information acquiring unit 32, configured to acquire the attribute information and the number of published messages of the network node and each node in the node set determined by the node set determining unit 31;
重要性评估值确定单元33，用于根据所述节点信息获取单元32获取的网络节点和节点集合中每个节点的属性信息和发布的消息数量，确定表征所述网络节点在所述节点集合中的重要性的评估值；An importance evaluation value determining unit 33, configured to determine the network node in the node set according to the attribute information and the number of published messages of the network node and each node in the node set acquired by the node information acquiring unit 32. The evaluation value of the importance;
调整单元34，用于根据所述重要性评估值确定单元33确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的关系进行调整。The adjustment unit 34 is configured to adjust the relationship between the network nodes according to the evaluation value representing the importance of the network node in the node set determined by the importance evaluation value determination unit 33 .
其中，节点的属性信息包括：节点的消息订阅节点的数量和节点的消息推送节点的数量；则Among them, the attribute information of the node includes: the number of message subscription nodes of the node and the number of message push nodes of the node;
所述重要性评估值确定单元33，具体包括：The importance evaluation value determining unit 33 specifically includes:
贡献值确定模块331，用于根据所述网络节点和所述节点集合中每个消息推送节点的属性信息，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；A contribution value determination module 331, configured to determine the contribution value of each message push node in the node set to the network node according to the attribute information of the network node and each message push node in the node set;
第一重要性评估值确定模块332，用于根据所述网络节点和所述节点集合中每个节点发布的消息数量以及所述网络节点的属性信息，确定表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值；The first importance evaluation value determining module 332 is configured to determine, according to the number of messages published by the network node and each node in the node set, and the attribute information of the network node, to determine that the message that characterizes the network node is published in the set Estimated value of the importance in the messages published by the set of nodes;
第二重要性评估值确定模块333，用于根据所述贡献值确定模块331确定的节点集合中每个消息推送节点对所述网络节点的贡献值和所述第一重要性评估值确定模块332确定的表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，确定表征所述网络节点在所述节点集合中的重要性的评估值。The second importance evaluation value determination module 333 is configured to determine the contribution value of each message pushing node to the network node in the node set determined by the contribution value determination module 331 and the first importance evaluation value determination module 332 The determined evaluation value representing the importance of the message issued by the network node in the messages issued by the node set determines the evaluation value representing the importance of the network node in the node set.
其中，所述贡献值确定模块331，具体用于：Wherein, the contribution value determining module 331 is specifically used for:
根据公式确定所述节点集合中每个消息推送节点对所述网络节点的贡献值；其中：According to the formula Determine the contribution value of each message push node in the node set to the network node; wherein:
VB→A为所述节点集合中每个消息推送节点B对所述网络节点A的贡献值；V B→A is the contribution value of each message pushing node B in the node set to the network node A;
VB为所述节点集合中每个消息推送节点B的重要性，其中，VB的初始值为NB，所述NB为所述节点集合中每个消息推送节点B的消息推送节点的数量；V B is the importance of each message push node B in the node set, wherein the initial value of V B is NB , and the NB is the message push node of each message push node B in the node set quantity;
Nj为节点j的消息推送节点的数量，其中，j为所述节点集合中的消息推送节点B的消息订阅节点，且所述j的数量为p。N j is the number of message push nodes of node j, wherein j is the message subscription node of message push node B in the node set, and the number of j is p.
其中，所述第一重要性评估值确定模块332，具体用于：Wherein, the first importance evaluation value determining module 332 is specifically used for:
根据公式确定所述网络节点发布的消息在所述节点集合发布的消息中的重要性；其中：According to the formula determining the importance of the messages published by the network nodes among the messages published by the set of nodes; wherein:
MV为表征所述网络节点A发布的消息在所述节点集合发布的消息中的重要性的评估值；M V is an evaluation value representing the importance of the message issued by the network node A in the messages issued by the node set;
MA为所述网络节点A发布的消息数量；M A is the number of messages issued by the network node A;
Mk为节点k发布的消息数量，其中，所述k为所述网络节点A的消息推送节点，且所述k的数量为n；M k is the number of messages issued by node k, wherein the k is the message push node of the network node A, and the number of k is n;
Mt为节点t发布的消息数量，其中，所述t为所述网络节点A的消息订阅节点，且所述t的数量为m；M t is the number of messages published by node t, wherein the t is the message subscription node of the network node A, and the number of t is m;
Mr为节点r发布的消息数量，其中，所述r为所述网络节点A的消息推送节点和消息订阅节点的交集节点，且所述r的数量为o。M r is the number of messages published by node r, where r is the intersection node of the message push node and the message subscription node of the network node A, and the number of r is o.
其中，所述第二重要性评估值确定模块333，具体用于：Wherein, the second importance evaluation value determining module 333 is specifically used for:
根据所述节点集合中每个消息推送节点对所述网络节点的贡献值，确定所述节点集合中每个消息推送节点对所述网络节点的贡献值的和值；将所述和值以及表征所述网络节点发布的消息在所述节点集合发布的消息中的重要性的评估值，按照预先设置的权重值相加，得到表征所述网络节点在所述节点集合中的重要性的评估值。According to the contribution value of each message push node in the node set to the network node, determine the sum of the contribution value of each message push node in the node set to the network node; The evaluation value of the importance of the message issued by the network node among the messages issued by the node set is added according to the preset weight value to obtain an evaluation value representing the importance of the network node in the node set .
其中，所述调整单元34，具体用于：Wherein, the adjustment unit 34 is specifically used for:
根据确定出的表征所述网络节点在所述节点集合中的重要性的评估值，对所述网络节点之间的消息订阅关系和消息推送关系进行调整。According to the determined evaluation value representing the importance of the network node in the node set, the message subscription relationship and the message push relationship between the network nodes are adjusted.
为了描述的方便，以上各部分按照功能划分为各模块(或单元)分别描述。当然，在实施本发明时可以把各模块(或单元)的功能在同一个或多个软件或硬件中实现。For the convenience of description, the above parts are divided into modules (or units) according to their functions and described separately. Certainly, when implementing the present invention, the functions of each module (or unit) can be implemented in one or more pieces of software or hardware.
具体实施时，上述确定物联网中的网络节点的重要性的装置可以设置在物联网中的网络节点中。During specific implementation, the above-mentioned device for determining the importance of a network node in the Internet of Things may be set in a network node in the Internet of Things.
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.
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