How to search...better! (azure search)

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Azure Search is a search-as-a-service cloud solution that gives developers APIs and tools for adding a rich search experience over private, heterogenous content in web, mobile, and enterprise applications.

Technologie

How to search
...better!
Alessandro Melchiori // @amelchiori

Azure Search is a search-as-a-service cloud solution
that gives developers APIs and tools for adding a rich search experience
over private, heterogenous content in web, mobile, and enterprise applications.

Inverted index
“The quick brown fox jumped over the lazy dog”
“Quick brown foxes leap over lazy dogs in summer”

Inverted index: separate words / terms
[The,quick,brown,fox,jumped,over,the,lazy,dog]
[Quick,brown,foxes,leap,over,lazy,dogs,in,summer]

Inverted index: sort unique terms
[The,brown,dog,fox,jumped,lazy,over,quick,the]
[Quick,brown,dogs,foxes,in,lazy,leap,over,summer]

Inverted index: list docs containing terms
term doc-01 doc-02
Quick X
The X
brown X X
dog X
dogs X
fox X
... ... ...

Standard analyzer
“The Quick Brown Fox jumped over the Lazy Dog!”

Standard analyzer
standard tokenizer
“The,Quick,Brown,Fox,jumped,over,the,Lazy,Dog”

Standard analyzer
lowercase ﬁlter
“the,quick,brown,fox,jumped,over,the,lazy,dog”

Standard analyzer
stopword ﬁlter
“quick,brown,fox,jumped,over,lazy,dog”

English analyzer
“The Quick Brown Fox jumped over the Lazy Dog!”

English analyzer
standard tokenizer
“The,Quick,Brown,Fox,jumped,over,the,Lazy,Dog”

English analyzer
lowercase ﬁlter
“the,quick,brown,fox,jumped,over,the,lazy,dog”

English analyzer
english stemmer
“the,quick,brown,fox,jumped,over,the,lazy,dog”

English analyzer
english stemmer
“the,quick,brown,fox,jump,over,the,lazy,dog”

English analyzer
english stopwords
“quick,brown,fox,jump,over,lazy,dog”

Alessandro Melchiori
Software developer @ CodicePlastico
alessandro@codiceplastico.com
@amelchiori

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How to search...better! (azure search)

1. How to search ...better! Alessandro Melchiori // @amelchiori

8. Welcome Azure Search!

9. Azure Search is a search-as-a-service cloud solution that gives developers APIs and tools for adding a rich search experience over private, heterogenous content in web, mobile, and enterprise applications.

10. DEMO [index and mapping]

11. Inverted index “The quick brown fox jumped over the lazy dog” “Quick brown foxes leap over lazy dogs in summer”

12. Inverted index: separate words / terms [The,quick,brown,fox,jumped,over,the,lazy,dog] [Quick,brown,foxes,leap,over,lazy,dogs,in,summer]

13. Inverted index: sort unique terms [The,brown,dog,fox,jumped,lazy,over,quick,the] [Quick,brown,dogs,foxes,in,lazy,leap,over,summer]

14. Inverted index: list docs containing terms term doc-01 doc-02 Quick X The X brown X X dog X dogs X fox X ... ... ...

15. analysis = tokenization + normalization

16. analyzer = tokenizer + token filters

17. Standard analyzer “The Quick Brown Fox jumped over the Lazy Dog!”

18. Standard analyzer standard tokenizer “The,Quick,Brown,Fox,jumped,over,the,Lazy,Dog”

19. Standard analyzer lowercase ﬁlter “the,quick,brown,fox,jumped,over,the,lazy,dog”

20. Standard analyzer stopword ﬁlter “quick,brown,fox,jumped,over,lazy,dog”

21. English analyzer “The Quick Brown Fox jumped over the Lazy Dog!”