Author: Xuan Jin
- May 6, 2019
Family
I totally forgot how crazy everything is with my family, how stubborn my grandparents are, and how much my mom loves to talk. Being really far away from my …
- April 13, 2019
Unit 12 muddiest points
I found the context of personalize search really interesting. From the user’s standpoint, it is definitely helping the user out without any doubt. with …
- March 30, 2019
Unit 9 muddiest points
In the slides, it seems like the definition of the Link Analysis is following “Used for crawling, ranking, computing the geographic scope of a web page, …
- March 15, 2019
Unit 8 muddiest points
For leading longer queries, I know we didn’t go deep in this concept, but when doing the search, should all words to be matched? I also don’t …
- March 2, 2019
Unit 7 muddiest points
I am still not sure if I understand normalized DCG, I understand that it is better normalized compare to fixed range value. However, I don’t think I …
- February 23, 2019
Unit 6 muddiest points
I am still not understanding the following concept, how would you decide what constant you need to add though, I guess that’s depending on the words? Also …
- February 16, 2019
Unit 5 muddiest points
The language model idea is still not really clear to me. When user is searching in the doc, they would use something like a sql query to search within …
- February 9, 2019
Unit 4 muddiest point
I am still confused on the distance, my understanding is the distance is used to determine the relavence, right? I am confused on why using the angle would …
- February 2, 2019
Unit 3 muddiest point
When constructing a B-tree in order to improve the efficiency of search, my understanding is to have the index constructed in a way so that it will be in the …
- January 26, 2019
Unit 2 Muddiest Points
With the alogirithm mentioned in the reading, I am wondering in order to develop a good information retrival engine, are we combining all of the alogrithm? What …