Implementing Filters

Unit4Implementing Filters


  • Describe and evaluate information organization systems
  • Select/compare suitable information organization systems, tools, and practices for specific contexts
  • Identify, critically analyze, and discuss: formal information representations, structures, and their properties
  • Demonstrate ability to translate key concepts and practices across contexts
  • Develop basic familiarity with key standards and tools for information organization

What You’ll Do

This assignment requires you to create three inter-dependent pieces of an information system:
  1. a user interface sketch
  2. a metadata plan
  3. a metadata record

The objective of the assignment is for you to experience the connection between the search features that a user sees on screen in an information system and the information that the system “knows” about its own resources. 


  • Many restaurants include menus on their websites, but often those menus do not include advanced search features that diners can use to filter out options that don’t meet their criteria. Imagine they have hired you to help design a new version of their menu that enables these more advanced search features, similar to the ones you saw in the third lecture video.  Below are a few scenarios that might describe how users might want to use filters to browse for food options:

    • Some customers have dietary preferences, such as vegetarian, Halal, or gluten free
    • Some customers have limited funds available for their meal and want to filter out items that are too expensive 
    • Some customers want to add a filter for certain menu categories (e.g., Mezza (small plates), sandwiches, desserts, etc.)
    • Now you think of some other criteria users might want to use to filter menu items! What kind of filters would they need?

    For this activity, you will use filters to improve the interactions that users have with the Lebanese Taverna’s menu on their Web site (  ).


  • Create a sketch  of what you think the desktop version of    would look like if you designed filters for customers to use while browsing and searching for food items.
    • Jpg files of hand-drawn sketches on whiteboard or paper are fine (as long as they’re legible)! If you’re handy with Google Drawings, Lucid Chart, Visio, or other such tools, you can use those too. 
    • You do not have to re-design the layout of the actual menu, just sketch out how the filters would be laid out on the screen.
  • from a previous version of this assignment, where students designed filters for the iSchool’s People directory.
  • Your sketch should present a minimum of four filters, and each filter should list the options available for that filter
    • Remember that each filter option should represent a category of food items (e.g., a Cuisine filter would have options like Italian, Korean, Ethiopian, etc.) and not individual food items (like name or description of item)
  • It’s fine (encouraged!) to include filters for information that doesn’t currently appear on Lebanese Taverna’s current menu. You might think of a great filter that would require adding new metadata to the menu–and that’s ok!

You can draw inspiration from other web sites that use filters, such as:

  •  (click on More Filters)

Notice how these and other tools that use filters have filter categories that correspond with the characteristics of the resource you’re searching. If you look at the Women’s Boots section of Ebay, the filtering categories will be different than if you were in the Cars section of Ebay. If you’re in Air BnB, the filters for Stays are different than the filters for Experiences.



Create a document that lists each filter  you included (remember to include at least four!) and your rationale  for including that filter. E.g. (my examples are ridiculous so that all the good ones are left for you, but this is the format & type of information you should provide),

Filter Rationale
Serving piece Customers love to know what their food is going to be served on because bowls can be very intimidating for people who prefer plates
Color of food item Instagram foodies only want to order something that fits in with their color story
Recommended soda pairing Soda connoisseurs will want to match their dish with the perfect sparkly beverage and avoid getting a soda whose flavor clashes with the dish’s seasonings

Seriously, yall – Come up with better filters than these! 🙂



A metadata record  for a menu item that includes all of the metadata elements that you included in your metadata plan. For example, if you have a filter on the search page that allows users to filter dishes by color, each dish on the menu should state what that dishs color is. E.g.: 

Name Stuffed grape leaves
Color Dark green
Dish 8″ round plate
Soda pairing Sprite, Fanta Orange


Each part of the assignment is worth up to 33 points (plus 1 free point to get the value up to 100). Make sure to include 4 filters to be eligible for full credit.

Criteria for evaluating submissions:

  • Demonstrated understanding of what filters are and how they can be used in searching/browsing.
  • Demonstrated understanding of the types of metadata categories that can support users of a particular type of information system (in this case, a restaurant menu).
  • Cohesion between filters chosen for the search interface and metadata displayed in sample metadata record.
  • Inclusion of all required components of assignment


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