1 00:00:00,280 --> 00:00:02,540 ‫Another machine learning service on AWS 2 00:00:02,540 --> 00:00:03,920 ‫is called Amazon Kendra. 3 00:00:03,920 --> 00:00:06,720 ‫So this one is a fully-managed document search service 4 00:00:06,720 --> 00:00:08,300 ‫that is powered by machine learning 5 00:00:08,300 --> 00:00:11,940 ‫and it allows you to extract answers from within a document. 6 00:00:11,940 --> 00:00:14,210 ‫That document could be text, PDF, HTML 7 00:00:14,210 --> 00:00:17,480 ‫PowerPoints, Microsoft Word, FAQs, et cetera, et cetera. 8 00:00:17,480 --> 00:00:18,790 ‫So you have a lot of data sources 9 00:00:18,790 --> 00:00:20,330 ‫where these documents may be 10 00:00:20,330 --> 00:00:23,280 ‫and you see some of them right now in the screen 11 00:00:23,280 --> 00:00:26,570 ‫and they're going to be indexed by Amazon Kendra 12 00:00:26,570 --> 00:00:28,500 ‫which is going to build internally 13 00:00:28,500 --> 00:00:31,270 ‫a knowledge index powered by machine learning. 14 00:00:31,270 --> 00:00:33,930 ‫And how does it help from an end-user perspective? 15 00:00:33,930 --> 00:00:36,540 ‫Well, we get natural language search capabilities 16 00:00:36,540 --> 00:00:37,790 ‫just like you go on Google. 17 00:00:37,790 --> 00:00:39,450 ‫So for example, if a user says, 18 00:00:39,450 --> 00:00:43,330 ‫Hey, where is the IT support desk into Amazon Kendra? 19 00:00:43,330 --> 00:00:45,470 ‫Kendra can reply, 1st floor. 20 00:00:45,470 --> 00:00:48,220 ‫And this could be due to the fact that Kendra knows 21 00:00:48,220 --> 00:00:50,230 ‫from all the resources that it took 22 00:00:50,230 --> 00:00:53,290 ‫that the IT support desk was on the 1st floor, 23 00:00:53,290 --> 00:00:54,820 ‫which is quite awesome. 24 00:00:54,820 --> 00:00:57,360 ‫And also, you can just do a normal search 25 00:00:57,360 --> 00:01:00,260 ‫and it will learn from the user interaction and feedback 26 00:01:00,260 --> 00:01:02,230 ‫to promote preferred search results 27 00:01:02,230 --> 00:01:04,440 ‫which is called incremental learning. 28 00:01:04,440 --> 00:01:07,610 ‫Finally, you can fine tune the search results, for example, 29 00:01:07,610 --> 00:01:10,230 ‫based on the important data, importance of data, 30 00:01:10,230 --> 00:01:13,700 ‫the freshness, or whatever custom filters you have, okay? 31 00:01:13,700 --> 00:01:15,630 ‫So from an exam perspective, 32 00:01:15,630 --> 00:01:17,990 ‫whenever you see a document search service, 33 00:01:17,990 --> 00:01:19,430 ‫think Amazon Kendra. 34 00:01:19,430 --> 00:01:21,743 ‫That's it, I will see you in the next lecture.