Patent ID: 11860964
Assignee: ABB SCHWEIZ AG
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. An industrial internet of things search method, comprising:
a) identifying, using a crawler, devices and their associated Open Platform Communication Unified Architecture “OPC UA” servers within a network as identified OPC UA servers, the network comprising boundaries set based on network segments, plant hierarchy, or specific sites;
b) creating, using the crawler, a plant index by searching the network and scanning the identified OPC US servers;
c) browsing, using the crawler, the identified OPC UA servers and extracting and storing data items in an external database as extracted data items,
wherein the data items comprise one or more of: image data and image data for specific devices; and
wherein the data items comprise device parameter values or output values;

e) searching, using a search engine, the extracted data items and determining search results;
interpret references; and
wherein the search engine is configured to determine a number of times each search result was previously selected by different users, a plurality of similarity metrics for each search result, and a plurality of measures of variability for parameter values or output values for devices, wherein the plurality of measures of variability is based on frequency of changes to the parameter value or output value;

f) determining, using a result processor, a score for each search result by utilization of the number of times each search result was previously selected by different users, the plurality of similarity metrics, and the plurality of measures of variability for parameter values or output values for devices, wherein the plurality of measures of variability is utilized to increase the score of the each search results, where the parameter value or output value changes at a higher frequency than other node values; and
g) presenting, using a web user interface the search results according to the scores.