class Cadmium::PragmaticTokenizer::Languages::English

• Cadmium::PragmaticTokenizer::Languages::English
• Cadmium::PragmaticTokenizer::Languages::Common
• Reference
• Object

Defined in:

Constant Summary

ABBREVIATIONS = Set.new(["adj", "adm", "adv", "al", "ala", "alta", "apr", "arc", "ariz", "ark", "art", "assn", "asst", "attys", "aug", "ave", "bart", "bld", "bldg", "blvd", "brig", "bros", "btw", "cal", "calif", "capt", "cl", "cmdr", "co", "col", "colo", "comdr", "con", "conn", "corp", "cpl", "cres", "ct", "d.phil", "dak", "dec", "del", "dept", "det", "dist", "dr", "dr.phil", "dr.philos", "drs", "e.g", "ens", "esp", "esq", "etc", "exp", "expy", "ext", "feb", "fed", "fla", "ft", "fwy", "fy", "ga", "gen", "gov", "hon", "hosp", "hr", "hway", "hwy", "i.e", "i.b.m", "ia", "id", "ida", "ill", "inc", "ind", "ing", "insp", "jan", "jr", "jul", "jun", "kan", "kans", "ken", "ky", "la", "lt", "ltd", "maj", "man", "mar", "mass", "may", "md", "me", "med", "messrs", "mex", "mfg", "mich", "min", "minn", "miss", "mlle", "mm", "mme", "mo", "mont", "mr", "mrs", "ms", "msgr", "mssrs", "mt", "mtn", "neb", "nebr", "nev", "no", "nos", "nov", "nr", "oct", "ok", "okla", "ont", "op", "ord", "ore", "p", "pa", "pd", "pde", "penn", "penna", "pfc", "ph", "ph.d", "pl", "plz", "pp", "prof", "pvt", "que", "rd", "ref", "rep", "reps", "res", "rev", "rt", "sask", "sec", "sen", "sens", "sep", "sept", "sfc", "sgt", "sr", "st", "supt", "surg", "tce", "tenn", "tex", "u.s", "u.s.a", "univ", "usafa", "ut", "v", "va", "ver", "vs", "vt", "wash", "wis", "wisc", "wy", "wyo", "yuk"] of ::String)

ALNUM_QUOTE = /(\w|\D)'(?!')(?=\W|$)/

Single quotes handling

CONTRACTIONS = {"i'm" => "i am", "i'll" => "i will", "i'd" => "i would", "i've" => "i have", "you're" => "you are", "you'll" => "you will", "you'd" => "you would", "you've" => "you have", "he's" => "he is", "he'll" => "he will", "he'd" => "he would", "she's" => "she is", "she'll" => "she will", "she'd" => "she would", "it's" => "it is", "'tis" => "it is", "it'll" => "it will", "it'd" => "it would", "let's" => "let us", "we're" => "we are", "we'll" => "we will", "we'd" => "we would", "we've" => "we have", "they're" => "they are", "they'll" => "they will", "they'd" => "they would", "they've" => "they have", "there'd" => "there would", "there'll" => "there will", "there're" => "there are", "there's" => "there has", "there've" => "there have", "that's" => "that is", "that'll" => "that will", "that'd" => "that would", "who's" => "who is", "who'll" => "who will", "who'd" => "who would", "what's" => "what is", "what're" => "what are", "what'll" => "what will", "what'd" => "what would", "where's" => "where is", "where'll" => "where will", "where'd" => "where would", "when's" => "when is", "when'll" => "when will", "when'd" => "when would", "why's" => "why is", "why'll" => "why will", "why'd" => "why would", "how's" => "how is", "how'll" => "how will", "how'd" => "how would", "she'd've" => "she would have", "'tisn't" => "it is not", "isn't" => "is not", "aren't" => "are not", "wasn't" => "was not", "weren't" => "were not", "haven't" => "have not", "hasn't" => "has not", "hadn't" => "had not", "won't" => "will not", "wouldn't" => "would not", "don't" => "do not", "doesn't" => "does not", "didn't" => "did not", "can't" => "cannot", "couldn't" => "could not", "shouldn't" => "should not", "mightn't" => "might not", "mustn't" => "must not", "would've" => "would have", "should've" => "should have", "could've" => "could have", "might've" => "might have", "must've" => "must have", "o'" => "of", "o'clock" => "of the clock", "ma'am" => "madam", "ne'er-do-well" => "never-do-well", "cat-o'-nine-tails" => "cat-of-nine-tails", "jack-o'-lantern" => "jack-of-the-lantern", "will-o'-the-wisp" => "will-of-the-wisp", "'twas" => "it was"}

N.B. Some English contractions are ambigous (i.e. "she's" can mean "she has" or "she is"). Pragmatic Tokenizer will return the most frequently appearing expanded contraction. Regardless, this should be rather insignificant as in most cases one is probably removing stop words.

QUOTE_NOT_TWAS1 = /(\W|^)'(?!twas)/i

QUOTE_NOT_TWAS2 = /(\W|^)‘(?!twas)/i

QUOTE_WORD = /(\W|^)'(?=\w)/

STOP_WORDS = Set.new(["i.e.", "e.g.", "&#;f", "'ll", "'ve", "+//", "-/+", "</li>", "</p>", "</td>", "<br", "<br/>", "<br/><br/>", "<li>", "<p>", "<sup></sup>", "<sup></sup></li>", "<td", "<td>", "a", "a's", "able", "about", "above", "abroad", "abst", "accordance", "according", "accordingly", "across", "act", "actually", "added", "adj", "adopted", "affected", "affecting", "affects", "after", "afterwards", "again", "against", "ago", "ah", "ahead", "ain't", "all", "allow", "allows", "almost", "alone", "along", "alongside", "already", "also", "although", "always", "am", "amid", "amidst", "among", "amongst", "amoungst", "amount", "an", "and", "announce", "another", "any", "anybody", "anyhow", "anymore", "anyone", "anything", "anyway", "anyways", "anywhere", "apart", "apparently", "appear", "appreciate", "appropriate", "approximately", "are", "aren", "aren't", "arent", "arise", "around", "as", "aside", "ask", "asking", "associated", "at", "auth", "available", "away", "awfully", "b", "back", "backward", "backwards", "be", "became", "because", "become", "becomes", "becoming", "been", "before", "beforehand", "begin", "beginning", "beginnings", "begins", "behind", "being", "believe", "below", "beside", "besides", "best", "better", "between", "beyond", "bill", "biol", "both", "bottom", "brief", "briefly", "but", "by", "c", "c'mon", "c's", "ca", "call", "came", "can", "can't", "cannot", "cant", "caption", "cause", "causes", "certain", "certainly", "changes", "class=", "clearly", "co", "co.", "com", "come", "comes", "computer", "con", "concerning", "consequently", "consider", "considering", "contain", "containing", "contains", "corresponding", "could", "couldn't", "couldnt", "course", "cry", "currently", "d", "dare", "daren't", "date", "de", "definitely", "describe", "described", "despite", "detail", "did", "didn't", "different", "directly", "do", "does", "doesn't", "doing", "don't", "done", "down", "downwards", "due", "during", "e", "each", "ed", "edu", "effect", "eg", "eight", "eighty", "either", "eleven", "else", "elsewhere", "empty", "end", "ending", "enough", "entirely", "especially", "et", "et-al", "etc", "even", "ever", "evermore", "every", "everybody", "everyone", "everything", "everywhere", "ex", "exactly", "example", "except", "f", "fairly", "far", "farther", "few", "fewer", "ff", "fifteen", "fifth", "fify", "fill", "find", "fire", "first", "five", "fix", "followed", "following", "follows", "for", "forever", "former", "formerly", "forth", "forty", "forward", "found", "four", "from", "front", "full", "further", "furthermore", "g", "gave", "get", "gets", "getting", "give", "given", "gives", "giving", "go", "goes", "going", "gone", "got", "gotten", "greetings", "h", "had", "hadn't", "half", "happens", "hardly", "has", "hasn't", "hasnt", "have", "haven't", "having", "he", "he'd", "he'll", "he's", "hed", "hello", "help", "hence", "her", "here", "here's", "hereafter", "hereby", "herein", "heres", "hereupon", "hers", "herself", "hes", "hi", "hid", "him", "himself", "his", "hither", "home", "hopefully", "how", "how's", "howbeit", "however", "http", "https", "hundred", "i", "i'd", "i'll", "i'm", "i've", "id", "ie", "if", "ignored", "im", "immediate", "immediately", "importance", "important", "in", "inasmuch", "inc", "inc.", "indeed", "index", "indicate", "indicated", "indicates", "information", "ing", "inner", "inside", "insofar", "instead", "interest", "into", "invention", "inward", "is", "isn't", "it", "it'd", "it'll", "it's", "itd", "its", "itself", "j", "just", "k", "keep", "keeps", "kept", "keys", "kg", "km", "know", "known", "knows", "l", "largely", "last", "lately", "later", "latter", "latterly", "least", "less", "lest", "let", "let's", "lets", "like", "liked", "likely", "likewise", "line", "little", "look", "looking", "looks", "low", "lower", "ltd", "m", "made", "mainly", "make", "makes", "many", "may", "maybe", "mayn't", "me", "mean", "means", "meantime", "meanwhile", "merely", "mg", "might", "mightn't", "mill", "million", "mine", "minus", "miss", "ml", "more", "moreover", "most", "mostly", "move", "mr", "mrs", "much", "mug", "must", "mustn't", "my", "myself", "n", "na", "name", "namely", "nay", "nd", "near", "nearly", "necessarily", "necessary", "need", "needn't", "needs", "neither", "never", "neverf", "neverless", "nevertheless", "new", "next", "nine", "ninety", "no", "no-one", "nobody", "non", "none", "nonetheless", "noone", "nor", "normally", "nos", "not", "noted", "nothing", "notwithstanding", "novel", "now", "nowhere", "o", "obtain", "obtained", "obviously", "of", "off", "often", "oh", "ok", "okay", "old", "omitted", "on", "once", "one", "one's", "ones", "only", "onto", "opposite", "or", "ord", "other", "others", "otherwise", "ought", "oughtn't", "our", "ours", "ours", "ourselves", "out", "outside", "over", "overall", "owing", "own", "p", "page", "pages", "part", "particular", "particularly", "past", "per", "perhaps", "placed", "please", "plus", "poorly", "possible", "possibly", "potentially", "pp", "predominantly", "present", "presumably", "previously", "primarily", "probably", "promptly", "proud", "provided", "provides", "put", "q", "que", "quickly", "quite", "qv", "r", "ran", "rather", "rd", "re", "readily", "really", "reasonably", "recent", "recently", "ref", "refs", "regarding", "regardless", "regards", "related", "relatively", "research", "respectively", "resulted", "resulting", "results", "right", "round", "run", "s", "said", "same", "saw", "say", "saying", "says", "sec", "second", "secondly", "section", "see", "seeing", "seem", "seemed", "seeming", "seems", "seen", "self", "selves", "sensible", "sent", "serious", "seriously", "seven", "several", "shall", "shan't", "she", "she'd", "she'll", "she's", "shed", "shes", "should", "shouldn't", "show", "showed", "shown", "showns", "shows", "side", "significant", "significantly", "similar", "similarly", "since", "sincere", "six", "sixty", "slightly", "so", "some", "somebody", "someday", "somehow", "someone", "somethan", "something", "sometime", "sometimes", "somewhat", "somewhere", "soon", "sorry", "specifically", "specified", "specify", "specifying", "state", "states", "still", "stop", "strongly", "sub", "substantially", "successfully", "such", "sufficiently", "suggest", "sup", "sure", "system", "t", "t's", "take", "taken", "taking", "tell", "ten", "tends", "th", "than", "thank", "thanks", "thanx", "that", "that'll", "that's", "that've", "thats", "the", "their", "theirs", "them", "themselves", "then", "thence", "there", "there'd", "there'll", "there're", "there's", "there've", "thereafter", "thereby", "thered", "therefore", "therein", "thereof", "therere", "theres", "thereto", "thereupon", "these", "they", "they'd", "they'll", "they're", "they've", "theyd", "theyre", "thick", "thin", "thing", "things", "think", "third", "thirty", "this", "thorough", "thoroughly", "those", "thou", "though", "thoughh", "thousand", "three", "throug", "through", "throughout", "thru", "thus", "til", "till", "tip", "to", "together", "too", "took", "top", "toward", "towards", "tried", "tries", "truly", "try", "trying", "ts", "twelve", "twenty", "twice", "two", "u", "un", "under", "underneath", "undoing", "unfortunately", "unless", "unlike", "unlikely", "until", "unto", "up", "upon", "ups", "upwards", "us", "use", "used", "useful", "usefully", "usefulness", "uses", "using", "usually", "uucp", "v", "value", "various", "versus", "very", "via", "viz", "vol", "vols", "vs", "w", "want", "wants", "was", "wasn't", "way", "we", "we'd", "we'll", "we're", "we've", "wed", "welcome", "well", "went", "were", "weren't", "what", "what'll", "what's", "what're", "what've", "whatever", "whats", "when", "when's", "whence", "whenever", "where", "where's", "whereafter", "whereas", "whereby", "wherein", "wheres", "whereupon", "wherever", "whether", "which", "whichever", "while", "whilst", "whim", "whither", "who", "who'd", "who'll", "who's", "whod", "whoever", "whole", "whom", "whomever", "whos", "whose", "why", "why's", "widely", "will", "willing", "wish", "with", "within", "without", "won't", "wonder", "word", "words", "world", "would", "wouldn't", "www", "x", "y", "yes", "yet", "you", "you'd", "you'll", "you're", "you've", "youd", "your", "youre", "yours", "yourself", "yourselves", "z", "zero"] of ::String)

Class Method Summary

• .abbreviations
• .contractions
• .handle_single_quotes(text)
• .stop_words

Class Method Detail