Computer science
https://openalex.org/C41008148
https://www.wikidata.org/wiki/Q21198
Computer security
https://openalex.org/C38652104
https://www.wikidata.org/wiki/Q3510521
Smart card
https://openalex.org/C110406131
https://www.wikidata.org/wiki/Q41349
Cryptosystem
https://openalex.org/C6295992
https://www.wikidata.org/wiki/Q976521
Public-key cryptography
https://openalex.org/C203062551
https://www.wikidata.org/wiki/Q201339
Identity (music)
https://openalex.org/C2778355321
https://www.wikidata.org/wiki/Q17079427
Encryption
https://openalex.org/C148730421
https://www.wikidata.org/wiki/Q141090
Joins
https://openalex.org/C2778692605
https://www.wikidata.org/wiki/Q4041866
Scheme (mathematics)
https://openalex.org/C77618280
https://www.wikidata.org/wiki/Q1155772
Key (lock)
https://openalex.org/C26517878
https://www.wikidata.org/wiki/Q228039
Signature (topology)
https://openalex.org/C2779696439
https://www.wikidata.org/wiki/Q7512811
Cryptography
https://openalex.org/C178489894
https://www.wikidata.org/wiki/Q8789
Computer network
https://openalex.org/C31258907
https://www.wikidata.org/wiki/Q1301371
Stating the purpose of the thesis, dissertation, or research article (note use of present tense)
This case study seeks to examine the changing nature of ...
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Computer security".
Paper: "Identity-Based Cryptosystems and Signature Schemes"
Function: "Stating the purpose of the thesis, dissertation, or research article (note use of present tense)".
Example Sentence: "This case study seeks to examine the changing nature of ...". [/INST]