trending

What is search.twitter.com's "trending topics" algorithm?

What algorithm does twitter use to determine the 10 topics that you can see at search.twitter.com? I would like to implement that algorithm and I would also like to show the 50 most popular topics (instead of 10). Can you describe the most efficient algorithm? Thanks! (Twitters API can be found at- http://apiwiki.twitter.com/REST%20API...

Where can I get a VB.net - WPF - Trending Graph Control.

We're trying to show 4 trend graphs and will be adding data to them them at a rate of about 1 point every second. In the end each trend needs to show around 600 points. Currently we are using the graphing tools from Syncfusion but they are unable to redraw the graphs at the speed we require. I believe the issue is due to the fact tha...

Trending topics: 1-word terms vs composed terms

Hello! With your perfect help here I've already found out how to compute trending topics (standard score + floating average). My next problem: I have the terms (consisting of 1-3 words) in my database connected with the time they were mentioned. But the trending topics are always only 1-word terms since one part of a term is ALWAYS men...

Calculate a trendline when the x-axis uses dates

The post on calculating trend lines on a scatter plot (http://stackoverflow.com/questions/43224/how-do-i-calculate-a-trendline-for-a-graph) is quite helpful, but I'm curious how one could go about finding a trend line on a graph where the x-axis is a DateTime field, rather than an integer. For example, consider the case of charting the ...

SQL CODE to do: Trending topics equals a twitter

If i wants count the matching words in a rows of two tables, with milions of rows, sample: Table posts, sample: +----+---------+-----------------------------+ | ID | ID_user | text | +----+---------+-----------------------------+ | 1 | bruno | michael jackson is dead | | 2 | thomasi | michael j. moonwalk...

Understanding algorithms for measuring trends

What's the rationale behind the formula used in the hive_trend_mapper.py program of this Hadoop tutorial on calculating Wikipedia trends? There are actually two components: a monthly trend and a daily trend. I'm going to focus on the daily trend, but similar questions apply to the monthly one. In the daily trend, pageviews is an array ...

Algorithm(s) for spotting anomalies ("spikes") in traffic data

I find myself needing to process network traffic captured with tcpdump. Reading the traffic is not hard, but what gets a bit tricky is spotting where there are "spikes" in the traffic. I'm mostly concerned with TCP SYN packets and what I want to do is find days where there's a sudden rise in the traffic for a given destination port. Ther...

Making a Whats Hot Section in TwentyTen (Wordpress)

Ok so, TwentyTen is a great new theme, fine. However, I wish to add more functionality to it and make it like a theme having a magazine style front page (similar to Hybrid News) with mainly a "Whats Hot" Featured Section where I can pick up posts dynamically having the most activity on them (like checking the number of facebook likes or...

Hudson plugin for trend of timings of all jobs in a view

Is there a Hudson plugin which would allow me to create a "trend" graph for build times for all jobs/projects in a view? ...