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The following is a list of the 172 most common word duplicates (number after word is count of occurrences) extracted from a search of all English Wikipedia articles existing on 21 February 2006. Most punctuation was automatically removed and so the count is unlikely to be 100% accurate.
Trypograph (also file plate process) Cyclostyle, Neostyle; Stencil-based machines Mimeograph (also Roneo, Gestetner) Digital Duplicators (also called CopyPrinters, e.g., Riso and Gestetner) Typewriter-based copying methods Carbon paper; Blueprint typewriter ribbon; Carbonless copy paper; Photographic processes:
After pre-processing the text data, we can then proceed to generate features. For document clustering, one of the most common ways to generate features for a document is to calculate the term frequencies of all its tokens. Although not perfect, these frequencies can usually provide some clues about the topic of the document.
The user selects or "highlights" the text or file for moving by some method, typically by dragging over the text or file name with the pointing-device or holding down the Shift key while using the arrow keys to move the text cursor. The user performs a "cut" operation via key combination Ctrl+x (⌘+x for Macintosh users), menu, or other means.
Document capacity / Batch processing: Number of documents the system can process per unit of time. [citation needed] Check intensity: How often and for which types of document fragments (paragraphs, sentences, fixed-length word sequences) does the system query external resources, such as search engines. Comparison algorithm type
Recoll is a desktop search tool that provides full-text search in a GUI with a few mandatory external dependencies. It runs on many Unix-like operating systems and is mostly independent of the desktop environment.
Note that, unlike representing a document as just a token-count list, the document-term matrix includes all terms in the corpus (i.e. the corpus vocabulary), which is why there are zero-counts for terms in the corpus which do not also occur in a specific document. For this reason, document-term matrices are usually stored in a sparse matrix format.
Also, if there is a digital version of a text that the copy editor is editing, the latter can more easily search words, run spell checkers, and generate clean copies of messy pages. The first thing copy editors must do when editing on screen is to copy the author's files, as the original document must be preserved.