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I'm trying to make a mobile AR application. I want to track the user's handwriting in real time using smartphones while the user writes on paper. That is to track every stroke made by the user.
I know some SDKs and products like ManoMotion and Leap Motion provide relatively precise hand tracking and analysis, but since writing on paper doesn't involve many motions and gestures, I don't think they are suitable.
I have searched online and haven't found any resources for my particular use case. So I would like to ask if there are other resources I should take a look at, or I should rely on some lower level APIs like OpenCV.
mhc, kind of late to answer this. But regarding ManoMotion you need to apply for access to the SDK products through the official website at www.manomotion.com the approval process is manual and they require some information regarding the intention of use in a project so I highly suggest to provide with as much detail as possible.
Currently our team is using MoinMoin as a wiki for IT and it's so nice.
We want to promote to use wiki for end-users because some of them are interested. On the wiki we'll share and edit requirements of aplications, for instance.
I think MoinMoin is not the more user-friendy (but I love to use it) that's why we are looking for the best user-friendly wiki for end-users/customers
For yourself MoinMoin is obviously user friendly. =) Seriously, consider all users and try to figure what kinds of usage patterns you have. MoinMoin is a reasonable choice since it's such a simple program. You can often help your non-programmer users by adding a feature or two to MoinMoin. Developers are up to speed with it and you have all the content there already.
That said. Mediawiki is used for lots of general wikis out there today. Including Wikipedia. An aspect of user friendliness is recognition. Mediawiki might feel more friendly because users are more familiar with how it works. And Mediawiki is widely adapted. Lots of extra features you might want to add to help your users are already written as extensions. And Mediawiki's extensions API is really good so you can easily automate your own verticals when the need arises. Mediawiki is reasonably feature rich without being totalluy overloaded. It has categories and templates which both come in handy for keeping things DRY and using the wiki in various processes. It shares lots of its syntax with MoinMoin since both have the same ancestor (syntax-wise).
I'd probably go with Mediawiki.
Visit Wikimatrix.org to determine what features you need and what tool is best for you. I often mention Foswiki.org as a very nice and userfriendly tool, but it really depends on the features that you need.
I have yet to see any Wiki that is more end-user friendly than Confluence.
Just the most important reasons:
While other Wikis say they have WYSIWYG editors, what they actually do is enclose selected text with markup when clicking an icon. That is not WYSIWYG, that's code injection! In Confluence 5 all editing is done from a visual editor (you actually DO see what you get right away straight within the editor). With the ability to add macros (markup) by powerusers.
In almost all other wikis the users are entirely responsible for creating and maintaining the link hierarchy. This means broken links and orphaned pages will be the norm. In Confluence all pages are automatically added to a page hierarchy and sorted by name. You can enable the tree browser via the Documentation theme to make browsing the wiki even without manually added links convenient. Lastly you have the ability to reorder pages in any order via drag & drop.
However, Confluence is rather costly for > 10 users. But well worth it if you can afford it, or you don't need more than 10 editors. Pure "readers" do not count towards users if anonymous viewing is enabled.
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What features should "Tomorrow's" wikis include? How might they incorporate Web 2.0 features like AJAX? What other features are they currently missing? What do you want to see from the next release of your favorite Wiki?
Edit: How might a Wiki be integrated into other products? What "neat uses" could wikis have?
Preview-as-you-type works very nicely indeed here on Stack Overflow. Many wikis don't do that.
Make it really easy to link between pages, eg. that, as you type, the wiki finds likely pages you may be referring to. That way you can make links without having to know the exact title of a target page, and bouncing on the shift key to WriteInCamelCase, or throwing in square brackets. Make it very easy to link to other websites outside the wiki, too (and by "easy" I do not mean like wikisisters, which, if I remember correctly, is like foowiki:ALinkLikeThis).
Similarly, if you can generate links within text automatically, you could, for example, have a mail system that wikifies your email. You create a wiki page, say, for Joel Spolsky, and references to Joel emails in your inbox become links to that page, which you can find by clicking "what links here". (This probably needs something along the lines of Bayesian filtering to prune the stray references to other Joels... your Bayesian Classifier learns that if the context is smart and getting things done, it's Spolsky. If it's flying Viking kittens, it's morely likely Joel Veich).
A variety of RSS feeds for tracking changes would nice, too. (Diffs, full text, changes on pages I've edited, ...)
Wikipedia has grown a fairly colossal categorisation system ("Fictional Cats", anyone?); laying a taxonomy over a wiki's flat namespace could provide another way for users to find their way around. Wikipedia's doing this a little, but in fairly limited ways so far: there are links to the relevant category lists, but you can't, for example, look for a composer called "Smith".
Similarly, wikis give you this big graph of interconnected nodes, of how closely your community sees the relevant concepts as being. Is that interesting? Is that useful? Does anyone who isn't google want to think about this stuff?
PS. If you believe Paul Graham's definition of Web 2.0 as "Democracy, Don't Maltreat Users, and Javascript works now", wikis are two thirds Web 2.0 already.
I am personally already tired of wikis. Wiki as a software is outdated, now it is about wiki as a feature (like my favorite new website, stack overflow).
The main advantage of community wiki — more editing — came into existence when we introduced "Suggested Edits".
With "Suggested Edits", anyone, even an anonymous user, can edit anything — so long as another experienced user reviews and approves their edit.
I'm in the process of choosing a wiki tool, and have looked at numerous packages over the past week. I'm sure there are dozens I haven't even heard of yet, probably good ones. But in general, here's my "beginner's mind" take on the problem.
Wiki markup should be abandoned. A wiki that is limited to wiki markup will only be useful to 'nix hacks and others who get excited about doing things the hard way and insisting that everybody else is stupid. I mean, Morse code is fine with me personally; I don't get what was wrong with a nice, clean dash-dot-dash. Or smoke signals, they were nice, except for the carbon footprint. But times change, and we have to change with them.
Real users (business users, customers, clients) want rich text editing. Period. And when a wiki tries to support both rich text and wiki markup, the results are not pretty. The model is confusing and (apparently) difficult to implement. The fckeditor extension at wikiwiki is a nightmare, for example. It's just not worth it.
Wikis need better access control. The idea that all content should be open to everyone is fine for an open, public, non-profit wiki like this one. But in the business world, that's not how it works. Restricting access is not evil, it's reality. Wiki tools need to do a much better job of providing access control: access to pages and groups of pages based on role or group membership, where groups can be formed by anyone on an ad hoc basis and users can belong to multiple groups and pages can be accessible to multiple groups, at the whim of the page's creator.
Those are the two things that I want, above all else, and I haven't found it in open source, at least not out of the box. Which, of course, is why open source is open source.
There's been some interesting work using wikis for testing and software development. EG, movement towards literate programming -- allowing pages to exist as both code and documentation that is compiled down into one or the other (or, I suppose, both simultaneously).
They have a regular session about this at the annual WikiSym conference.
I think one direction of Wikis is going from open ended collections of documents to an "everyone can edit but with more structure" applications like SO.
Another direction that I've seen is more direct integration with other project support tools, so project planning, issue management, and all that stuff.
Personally, I think the next big direction is going to be some sort of multimedia based Wiki, not just a Wiki where multimedia can be embedded in the text.
I really like MediaWiki. It's widely used and free/Free. The markup syntax is straightforward and allows you to do enough basic styling that you don't need to use custom HTML or to use a WYSIWYG. I assume by "sexy web 2.0" you mean Flash/AJAX, but I like MediaWiki because it works cleanly with basic HTML/Javascript (you don't have to wait for custom widgets to load, etc...).
What makes wikis reach their potential of usefulness is the community that develops around them more than the software itself. You need to find a niche where people are both passionate about (but not criminally insane about) the central topic and have enough technical prowess to log on to a website and edit some text.
"Wiki" is ultimately just a pattern:
Open editing by all/most visitors
Integrated revision tracking and rollback to reduce the cost of mistakes
Simple syntax for cross-linking between articles, and auto-creation of stub articles when referenced
That's not a perfect description, but it's a combination that isn't particularly magic. Successful wikis combine those things with a critical mass of people creating and maintaining content.
The next step, IMO, is less about web 2.0 shininess and more about the integration of better structural information. Adding any metadata beyond "this points to that" is an exercise in brute force hand-markup. Maybe microformats? Maybe the development of more structured knowledgebase software that uses wiki-ish editing UI but a smarter backend? I'm not sure, but I think better handling of the structured data is really the next wave.
Extensibility.
Check out DekiWiki, they are doing an excellent job with this.
DekiWiki extensions
The wiki-of-the-future will be completely editable online, concurrently by everyone. Check out EtherPad for a demo of the techonology.
For me, in terms of Enterprise style uses for a wiki, I have a couple of thoughts;
An effective way to keep and synchronise a central, web based wiki with multiple, offline, desktop style wiki's for people on the go
To move towards wiki as a function as opposed to wiki as a system, so we can integrate the wiki collaborative system into other things
Problem
At work we have a department wiki (running Mediawiki). Unfortunately several
persons edit without logging in, and that makes it very difficult to track
down editors to ask questions about the content.
There are two strategies to improve this
encourage logged in editing
discourage anonymous editing.
Encouraging
For this part, any tips are welcome. But of course there is always risks involved
in rewarding behaviours.
Discourage
I know that this must be kept low or else it will discourage any editing.
But something just slightly annoying would be nice to have.
[update]
I know it is possible to just disallow anonymous editing, but that will put a high barrier to any first time contribution (especially for people outside our department!), so I do not think that is an option.
[/update]
[update2]
Using LDAP or Active Directory does not solve the problem since the wiki is also accessible and used by external contractors.
[/update2]
[update3]
I am no longer working for this company. That does not mean that I completely have lost interest in this question, but from my current interest point the most valuable part is the "Did you forget to log in?" part below, and I will accept answers based on this part of the question.
[/update3]
Confirmation
One thought was to have an additional confirmation step for anonymous users -
"Are you really sure you want to submit this anonymously?", although with
such a question there is a risk that people will give up or resist editing. However,
if that question is re-phrased in a more diplomatic way as "Did you forget
to log in?" I think it will appear as much more acceptable. And besides that
will also capture those situations where the author did in fact forget to
log in, but actually would want to have his/her contributions credited
his/her user. This last point is by itself a good enough reason for wanting it.
Is this possible?
Delay
Another thought for something to be slightly annoying is to add an extra
forced delay after "save page" displaying something like "If you had logged
in you would not have to wait x seconds". Selecting a right x is difficult
because if it is to high it will be a barrier and if it too low might not
make any difference. But then I started thinking, what about starting at
zero and then add one second delay for each anonymous edit by a given IP
address in a given time frame? That way there will be no barrier for
starting to use the wiki, and by the time the delay is getting significant
the user has already contributed a lot so I think the outcome is much
more likely to be that the editor eventually creates a user rather than
giving up. This assumes IP addresses are rather static, but that is very
typically is the case in a business network.
Is this possible?
You can Turn off Anonymous Editing in Mediawiki like so:
Edit LocalSettings.php and add the following setting:
$wgDisableAnonEdit = true;
Edit includes/SkinTemplate.php, find $fname-edit and change the code to look like this (i.e., basically wrap the following code between the wfProfileIn() and wfProfileOut() functions):
wfProfileIn( "$fname-edit" );
global $wgDisableAnonEdit;
if ( $wgUser->mId || !$wgDisableAnonEdit) {
// Leave this as is
}
wfProfileOut( "$fname-edit" );
Next, you may want to disable the [Edit] links on sections. To do this, open includes/Skin.php and search for editsection. You will see something like:
if (!$wgUser->getOption( 'editsection' ) ) {
Change that to:
global $wgDisableAnonEdit;
if (!$wgUser->getOption( 'editsection' ) || !$wgDisableAnonEdit ) {
Section editing is now blocked for anonymous users.
Forbid anonymous editing and let people log in using their domain logins (LDAP). Often the threshold is the registering of a new user and making up username and password and such.
I think you should discourage anonymous edits by forbidding them - it's an internal wiki, after all.
The flipside is you must make the login process as easy as possible. Hopefully you can configure the login cookie to have a decent length (like 1 month) so they only need to login once per month.
Play to the people's egos, and add a rep system kind of like here. Just make a widget for the home page that shows the number of edits made by the top 5 users or something. Give the top 1 or 2 users a MVP reward at regular (monthly?) intervals.
Well, I doubt that this solution will be valuable for hlovdal, given that this question is now two months old, but maybe somebody else will find it useful:
The optimum solution to this problem is to enable automatic logins. This requires two steps. First, you need to add automatic authentication to your web service. Right now, we're using Apache with the Debian usn-libapache2-authenntlm-perl package on our internal application server*. (Our network is Active Directory and, obviously, the server runs on Debian Linux.) Second, you need a MediaWiki extension that makes MediaWiki aware of the web service's authentication. I've used the Automatic REMOTE_USER Authentication module successfully on an Apache web server that was tied into our network via an NTLM authentication module, but I do recall that it required a bit of massaging the code to make it work:
I had to follow the "horrid hacks" given on the extension's page, changing the setPassword() and addUser() functions to always return true instead of always returning false.
Since Active Directory is case-insensitive and MediaWiki isn't, I replaced both instances of the statement $username = $_SERVER['REMOTE_USER'] with $username = getCanonicalName($_SERVER['REMOTE_USER']).
Since I wanted to only allow certain people within the company to use our wiki, I set autoCreate() to always return false. It doesn't sound as if you need to worry about this, so you should leave autoCreate() at always returning true, which means that anybody on your company network will be able to access the wiki.
The nifty thing about this solution is that nobody has to log in into the wiki, ever; they simply go to a wiki page and they are logged in under their network ID.
* We just switched to this from a Red Hat server that was using mod_ntlm. Unfortunately, mod_ntlm hasn't been updated in a while and it's been starting to sporadically fail. I mention this because I've started to stumble on a performance issue with our current MediaWiki configuration that may require further code massaging....
Make sure users don't get logged out if they look away from the screen or sneeze or scratch their head. You want long, persistent, sessions. Once logged in, stay logged in.
That's the problem with the MediaWiki our company is using internally - you log in, do stuff, then come back later and it logged you out, but the notification of not being logged in anymore is so insignificant on the screen that the user never notices.
If this runs within an internal network, you could pull Active Directory information so that no one has to log in, ever. That's how I do it at work. That is, if they are logged into their windows machine, then my webapps can pick up their username and associate that (or their userid) with their edits.
I don't know if this would be easy to add to MediaWiki, though.
I'd recommend checking out wikipatterns.org - a great site about the social aspects of wikis
Explicitly using some form of directory service (LDAP) would probably be a good idea, so that your users are always fully identified. On the other hand, wikis are subject to their own dynamics, in fact some wikis are so successful because they can be anonymously edited, so that's another thing to keep in mind.
Apart from that, personally I'd try to create some sort of incentive for users to contribute openly and identifiable: this could be based on a point/score system so that there are stats shown for all users who have contributed to the wiki each day, this could possibly even create some sort of competition.
Likewise, the wiki could by default not show any anonymously contributed contents without them being reviewed first, which would be another incentive for users to contribute openly.
SO has an extremely low barrier for posting. You could allow people to specify their name when making an edit. When they are ready, they can finally log in to avoid having to type their name all the time.
You said this is in a departmental situation. Can't you add a feature to the wiki where it makes an educated guess as to who is editing based on the IP address, and annotates the edit accordingly?
I agree absolutely with everyone who recommends carefully researching the effects of anonymity in your application before you start "forbidding" it. In a great many cases people prefer anonymous editing because they DO NOT WANT TO BE ASKED ABOUT IT, IDENTIFIED WITH IT, OR SUFFER SOME PROBLEM FOR POINTING IT OUT. You need to be VERY sure these factors are not driving users to prefer anonymous edits, and frankly you should continue to allow anonymized edits with a generic credential login like "anonymous_employee" or "anonymous_contractor", in case someone wants to point out an issue without becoming identified with it.
Re the "thought... to have an additional confirmation step for anonymous users- "Are you really sure you want to submit this anonymously?", it's a good idea, but do not "re-phrase" in a way that suggests it is wrong to not be logged in as yourself, i.e. don't say "Did you forget to log in?" I'd instead note it this way:
"Your edit will appear as an IP number - it may be attributed to 'anonymous_employee' or 'anonymous_contractor' or 'anonymous_contributor' for your privacy protection. You will not be notified of any answer or response to it. If you prefer to have this contribution credited, then [log in right now]."
That leaves it absolutely clear what will happen, doesn't pressure anyone to do it either way, and does not bias what is being contributed with some "rewards".
You can also, alternately, force a login via LDAP / cookies, and then ask them if they prefer this edit to be anonymous. That is the approach taken on some blog platforms. In an intranet the abuse potential for this is basically zero, so you would presumably only have situations where someone didn't want 'how they knew' or 'why they raised this' to be the question rather than the data itself... IBM has shown in some careful research that anonymized feedback is very much more useful than attributed in correcting groupthink & management blind sides.
Do you use a wiki in your company? Who uses it and what for. Do you share information between projects / teams / departments or not?
We use ours to store
Coding Style docs
Setup and Deployment procedures for web servers and sites
Network diagrams (what are all the servers in Dev, Staging, QA and Production called etc.)
Project docs (pdfs, visios, excel, docs, etc.) are stored in SVN. For the non-techies we have links to those docs in the wiki that point to an up-to-date share on my box. (tip: some wikis provide source control integration but ours doesn't)
Installation and Setup procedures for development tools
Howto's on things like using our bug tracking system, our unit testing philosophy
When doing research on a topic I often capture the important information in a wiki page for others to learn from
I've seen them used to keep seating charts in medium to large size organizations for the new people
At my previous company all of the emergency contacts and procedures for handling a critical outage where available on the front page of the wiki
The best part about a wiki is that it's searchable. Some wiki's support searching inside uploaded or linked docs as well.
If you setup a wiki and encourage or even require people to use it the amount of information that will accumulate can be amazing. It's definately worth the effort especially if you have someone in IT with some spare time on their hands to set it up.
Do you use a wiki in your company?
= We use it for the purpose of a Knowlede Based. Basically it is a wiki but many more functionalities intagrated.
Who uses it and what for
= Employees. Knowledge Sharing, Preparation of collaborative-documents, etc.
Do you share information between projects / teams / departments or not?
= Depends on the requirements. It is possible to set permissions between users.
We use a wiki, for documenting our systems. It's updated gradually as things update and evolve. It should go without saying that there's benefit in that, however whether you use a wiki or other methods is worth thinking about.
A wiki is great for collarborative editing. The information shouldn't go stale in theory, because as people use the systems they have the opportunity to keep it up to date.
However we have found in our organisation that people struggle a little with wiki markup. Especially tables. I think a solution that has wysiwyg editing would be better if you have non-highly-technical people editing it. Sharepoint springs to mind, but it's expensive.
I use a wiki as my virtual "story wall" for agile development. All of my stories are written and organized in the wiki. While my customers are reasonably local (we can have face-to-face meetings), they aren't co-located. To enable better customer interaction I've resorted to a wiki instead of a wall-based story tracking mechanism. It also works a little better for me due to the fact that I often have multiple, concurrent projects and limited wall space in my cube. In a larger team with more focused projects and more wall area, I'm not sure I'd make the same choice.
My company uses a wiki for project-planing but also for storing documentation and ideas.
I have found that a wiki is a great way to link the programmers in the company with the business-people.
When someone who are not on the programming-team comes up with an idea or finds a bug, it's a loot simpler to let that person document it in the wiki.
I think it's an important aspect for a small company like mine to easily synchronize the business-team with the development-team. A wiki helps with that, since it gives the feeling of being a part of the development process, instead of having to ask the programmer directly about every little detail.
we have MediaWiki to store technical information that is not ready to be published in other formats - specification drafts, diagrams (via GraphViz extension), results of short investigations, etc.
I also think this question is a wiki too :)