![]() NP-completeness is an important mathematical property in Computer Science. In particular, the crossword construction problem is NP-complete. In general, crossword construction is considered to be a challenging computational problem. ![]() Generating clues is a separate and important problem that we have not yet pursued. This problem asks for a filling to a given crossword grid so that every horizontal and vertical answer is a valid word within a given dictionary.įor this problem, we do not generate the clues. Now, we can define the Crossword Construction Problem. Such restrictions can make the crosswords more dense with answers and more challenging to construct. For example, some publishers require crosswords to have 180-degree symmetry and for all answers to be at least 3 characters in length. There are many common restrictions that are applied to crosswords. The empty squares are meant to be filled in with alphabet characters to form horizontal and vertical answers that match the given clues. A crossword takes the form of a grid containing empty and shaded squares along with a list of clues. īefore, we discuss our web application, we need to tell you a bit more about crosswords and the concept of computational hardness.Īlso Read: Can AI Write the Dictionary? Does AI Know What Words Mean? CrosswordsĬrosswords are fun and educational word puzzles that are commonly found in newspapers, media, websites, and mobile apps. So with the support of Swarthmore College, we were able to pursue a research project to build a crossword construction web application at. The more we talked together about crosswords, the more convinced we were that we could build our own application for crossword construction. He was even working on constructing his own crossword puzzle too. But then, I met a talented student named Otis Peterson who has been solving crosswords since he was a kid. ![]() Because I struggle with solving crosswords, I felt like constructing a crossword was an unobtainable goal for me. ![]() But, to be honest, I am not very good at solving crosswords. For Pinyin puzzles, if a puzzle cannot be made with the entered vocab list, the system may also insert a random word from the Chinese-English dictionary to make it possible.I love words, language, and puzzles. If the vocab list has many entries, only up to ten of the entries will be used. Like other Arch Chinese tools, you can simply load a vocab list and click the Print button to generate a crossword puzzle. Otherwise, the words or sentences won't be crossed. This tool allows you to create customizable Chinese word/sentence and Pinyin crossword puzzles based on the Chinese words and sentences that you are teaching or learning.įor Pinyin puzzles, it is recommended to use compound words, rather than single characters, to create the crossword puzzles because the Pinyin of single characters could be too short to create a typical crossword puzzle.įor Chinese word and sentence crossword puzzles, it is recommended to use 3 to 7 entries and make sure there are 2 or more shared characters between any two words or sentences. Puzzle-solving is an active type of learning and will help engage students with the Chinese words more than passive types of review techniques. ![]()
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