dem

13 ms·

1.
by dem 13y ago
This small webapp measures Twitter sentiment along seven psychological axes based on a paper by Bollen, 2010, titled Twitter mood predicts the stock market. It's a work in progress and a MVP. As a webapp it is similar to A World of Twe
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Show HN: Real-time Twitter sentiments, visualized.(marketsense.ooda.ca)
2 points by dem 13y ago|1 comments
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by dem 15y ago
Thank you all for this feedback. We were amazed by the quality of it. Note that we have already modified our newsletter subscription process. It is now opt-in instead of opt-out as it should have been from the start. We apologize for that.
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by dem 15y ago
We use Superfeedr for feeding the news into the python back-end running on AWS. SQS queues are used to send and receive messages between our web portal and analyzers. The analysis is done in real-time and reported to the web application run
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by dem 15y ago
Regarding your first question, we want to offer a subscription based service both for the webapp and our API. The API access is not advertised yet, but we are planning to offer an access to our raw data in real-time to be processed by the u
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by dem 15y ago
What about giving the pros the ability to upload their own documents (and remain private) for BullBear to analyze and report? Also, what about the ability to customize which source of information the system process and which weight each sou
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by dem 15y ago
Not ourselves, but we know people you do. This whole idea was proposed by a commodity trader friend of ours and we decided to give it a shot. This is what came of it. So far, our trader friend likes it.
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by dem 15y ago
We use Superfeedr.
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by dem 15y ago
We are looking into adding time information. See me reply to jnorthrop. Essentially, we are working on distinguishing between a news stating a fact that occurred in the past, present or future. Also, a time horizon has been requested before
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by dem 15y ago
I agree, predicting purely on lagging information is no good. We had this comment before and that's why we are currently working on distinguishing between a news stating a fact that occurred in the past, present or future. With that, we'll
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by dem 15y ago
Actually, we are doing clustering, but as you found out it's not perfect. Like you said, we don't want the same news repeated over and over again to be factored in the bullbear index. I like this idea: Instead of showing 10 most recent arti
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by dem 15y ago
Currently the weighting is flat, but that is about to change. What we want to offer, and let me know if that is something of interest to you, is the ability for the user to customize the sources and to customize the weight of each sources.
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by dem 15y ago
This is on our todo list.
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by dem 15y ago
Yes, well aware of that and we are currently looking into it. Although, we are not pretending to predict the price movement. Rather, we are reporting on what the news is saying. We are also working on distinguishing between a news stating a
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by dem 15y ago
We launched this tool in July and have got good feedback from traders and brokers. But I’d like the opinion of this crowd too. So what do you think?
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Show HN: tool for commodity traders, brokers and analysts.(bullbear.ca)
107 points by dem 15y ago|90 comments