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Evaluation/improvements by Farid Hasanov master thesis :
Issues with search functionality. Several issues arose in terms of searching for the website. The structured overview of them is shown here.
Issue 1 - Relevance. Search results could be sorted only by date, and relevance of decks were not taken into account. For instance, if one puts into a search field an existing deck such as “Semantic Data Web Lecture Series”, the desired deck won’t even appear on the first page. All the results containing the words “Semantic”, “Data”, “Web”, “Lecture” and “Series” are shown there and they are ordered by date only. The issue is that, while querying from the database, every word in the expression is queried separately, whereas ideally the whole expression should be queried, then parts of it, before finally the words themselves.
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Source. This issue was mentioned by one user.
Possible solution. It is better to be hidden and appear only when called. More informa- tion and a mockup for this issue will be provided below.
Metric violated: Search functionality.
According to formula 3.8 search functionality will be 0% for Slidewiki. The problem is illustrated here:
Figure 5.15: Original search.[51].
Possible Solution. Some mockups aimed at improving the search functionality will be shown here. The first solution looks like a “Brute-force approach”
Figure 5.16: Mockup for search. Solution 1
Using this approach, the user should select one of the filters before searching for data. The drawback of this approach is that, each time it is used, some filters have to be applied.
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The second solution will be called the “Double search”. This mockup differentiates clearly between searches and separates the author from all the other instances.
Figure 5.17: Mockup for search. Solution 2
The obvious drawbacks will be, once again, selecting the filter, and the fact that it could be harder for a developer to code two search engines. However, the user now has two different search domains: Content and Authors.
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The third solution provides an advanced search menu which does not differ greatly from the one Slidewiki possesses, but gives more options for filtering. Using this approach, the original search parameters of Slidewiki should be kept. The figure below will be opened after the user clicks “search”.
Figure 5.18: Mockup for search. Solution 3
The advantage of this approach is that the user can quickly search for something and already see the results. In case of dissatisfaction he or she can change the domain from presentations/decks to authors. This solution saves time if the search object is highly relevant. So if a user searches for “Semantics”, he will get a result for “Semantic web lectures” at once without using the advanced search. Hereby I assume that this approach should be favoured over the previous two. Concerning searching for an author, the search should be fulfilled not only by the user’s login name, but also by his real name or e-mail address. To this end, coders should create a bind between login name, real name and e-mail and index them in database. In addition, here, a fixture for the Tag Cloud issue is proposed. The Tag Cloud will be moved to the tabs menu and can be accessed from there. The user can activate the tags by selecting them, thereby opening more space to the left and allowing the display of more search results.
Evaluation at UniBonn :
Project Partners feedback: