Marc, I also see what Nuria says. Also please consider that the majority of Wikipedia sessions have only one pageview. So in the majority of sessions it would not be possible to approximate the time spent on page with boundaries with Joseph's alternative.

On Thu, Jun 30, 2016 at 2:02 PM, Nuria Ruiz <nuria@wikimedia.org> wrote:

>Aye, as Joseph says, the time-on-page or time-leaving is not collected, except as an extension of session reconstruction work. If you want a >concrete time, you're not gonna get it.

I was about to make the same point, the data set that will most closely answer your questions is the one Oliver mentioned, otherwise we do not keep any information related to time on site and page requests so there is no "approximation" possible that will work on overall data. Even if you calculate signatures with IP-hash +user agent to approximate users (a method with known issues) there is no way for you to distinguish someone reading a page for an hour and someone that came to wikipedia twice in the same hour and spent a minute each time. Hopefully my example makes things more clear. 

Thanks,

Nuria

On Wed, Jun 29, 2016 at 4:58 AM, Oliver Keyes <ironholds@gmail.com> wrote:

Aye, as Joseph says, the time-on-page or time-leaving is not collected, except as an extension of session reconstruction work. If you want a concrete time, you're not gonna get it.

While PC-based data is more reliable than mobile, that does not necessarily mean "reliable". I'm sort of confused, I guess, as to why the datasets I linked (unless I'm misremembering them?) don't help: you would have to do the calculation yourself but they should contain all the data necessary to make that calculation (unless you want to have the pageID or title associated with the time-on-page, in which case...yeah, that's an issue).

On Wed, Jun 29, 2016 at 3:16 AM, Marc Miquel <marcmiquel@gmail.com> wrote:

Thanks for the answer, Oliver. But I am not sure it answers my questions. I'd like to study aspects like how much time is spent in certain pages, as a proxy of how content is approached/read/understood. I'd be happy with time of entering the page, time of leaving. This is not entirely centered on 'user activity', but I said that because I imagined data would be stored in a similar way to editor sessions, or in a database and I would need to do the time calculations.

Cheers,

Marc

El dc., 29 juny, 2016 03:11, Oliver Keyes <ironholds@gmail.com> va escriure:

If historic data is okay, there's already a dataset released (https://figshare.com/articles/Activity_Sessions_datasets/1291033) that was designed specifically to answer questions around how to best calculate session length with regards to Wikipedia (http://arxiv.org/abs/1411.2878)

On Tue, Jun 28, 2016 at 3:42 PM, Marc Miquel <marcmiquel@gmail.com> wrote:

Hello!

I was thinking about user sessions, yes, so this would mean to aggregate pageviews visited by a user during a short amount of time (I should check the cutoff, but it could be around an hour or less). 

I am particularly interested in understanding the order in which pages are seen (start, end), duration, etc. 

I wouldn't need data from a long period neither, but I think data from multiple languages would be helpful.

I imagined reader data could be sensitive to privacy, but would an NDA with my university and some sort of data encoding help with this? As I said, it is for a scientific purpose. 

Thanks,

Marc

El dt., 28 juny 2016 a les 21:09, Nuria Ruiz (<nuria@wikimedia.org>) va escriure:

Hello!

>I am considering to study reader engagement for different article topics in different languages. Because of this, I would like to know if there is >any plan to make available pageviews dumps detailing activity log at session level per user - in a similar way to editor sessions.

Are you thinking of "all-pageviews-visited-by-a-certain-user"? If so, no we do not have any projects to provide that data as due to privacy concerns we neither have nor keep that information.

Thanks, 

Nuria

On Tue, Jun 28, 2016 at 6:55 PM, Leila Zia <leila@wikimedia.org> wrote:

+ Analytics

On Tue, Jun 28, 2016 at 6:36 AM, Marc Miquel <marcmiquel@gmail.com> wrote:

Hello, 

I have a question for you regarding pageviews datadumps. 

I am considering to study reader engagement for different article topics in different languages. Because of this, I would like to know if there is any plan to make available pageviews dumps detailing activity log at session level per user - in a similar way to editor sessions.

Since this would be for a research project I might ask funding for it, I would like to know if I could count on that, what is the nature of the available data, and what would be the procedure to obtain this data and if there would be any implication because of privacy concerns.

Thank you very much!

Best,

Marc Miquel

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