done by sentence compression

Ngày tải lên: 23/03/2014, 17:20

... The diagram below shows the average hours of unpaid work per week done by people in different categories. (Unpaid work refers to such activities as childcare in the...

Ngày tải lên: 04/10/2012, 10:02

... a list of its sentences. We run an edit-distance comparison be- tween each such pair, treating each sentence as an atomic “letter”. We look for all replacements of one sentence by another and ... the task of sentence compression – dropping words from an in- dividual sentence while retaining its important in- formation, and without sacrificing its grammatical- ity. Compressed sentences can ... sparsity issue by showing that abundant sentence compressions can be extracted from Wikipedia’s revision history. Second, we use this data to validate the channel model approach for text compression, ...

Ngày tải lên: 20/02/2014, 09:20

... corpus, which contains long sentences and corresponding short sentences compressed by humans. Note that each compressed sentence is a subsequence of the corresponding original sentence. They first parse both ... experimented with/without goal sentence length for summaries. In the first experiment, the system was given only a sentence and no sentence length informa- tion. The sentence compression problem without the ... compressed each input sentence to the length of the sentence in its goal summary. This sentence compression problem is easier than that in which the system can generate sentences of any length....

Ngày tải lên: 20/02/2014, 12:20

... For each sentence, we still use the best compression as the gold standard, but we realign the pair of the source sentence and the compressed sentence, instead of using the labels provided by annotators. ... different compression meth- ods on a meeting summarization task, but did not evaluate sentence compression itself. We propose to use a two-step approach in this pa- per for sentence compression ... abstrac- tive meeting summaries: can it be done by sentence compression? In Proceedings of the ACL-IJCNLP. Fei Liu and Yang Liu. 2010. Using spoken utterance compression for meeting summarization:...

Ngày tải lên: 07/03/2014, 18:20

... algorithms. We conclude by giving examples of compression pat- terns learned by the Bayesian method. 2 Sentence compression Sentence compression is the task of summarizing a sentence while retaining ... example sentence and its extractive compression. where the underlined words were deleted. In su- pervised sentence compression, the goal is to gen- eralize from a parallel training corpus of sentences (source) ... extractive sentence compression, which we fo- cus on in this paper, an order-preserving subset of the words in the sentence are selected to form the summary, that is, we summarize by deleting...

Ngày tải lên: 07/03/2014, 22:20

... reproducing reference compressions. Moreover, on-demand sentence compression is made problematic by the time spent in the parsing stage. This paper proposes a syntax-free sequence- oriented sentence compression ... were five different ideal compressions (reference compres- sions produced by human) for each sentence; all had a 0.6 compression rate. The average length of the input sentences was about 42 words ... significant when on-demand sentence compression is needed. 6 Related work Conventional sentence compression methods em- ploy the tree trimming approach to compress a sentence without changing...

Ngày tải lên: 08/03/2014, 00:20

... 4 If a word is in the sentence it must be followed by two words or followed by one word and then the end of the sentence or it must be preceded by one word and end the sentence. y i − n−1 ∑ j=i+1 n ∑ k= ... model of sentence compression that does not rely on a parallel corpus – all that is required is a corpus of uncompressed sentences and a parser. Given a long sentence, our task is to form a compression by ... following section we provide an overview of previous approaches to sentence compression. In Section 3 we motivate the treatment of sentence compression as an optimisation problem and for- mulate our...

Ngày tải lên: 08/03/2014, 02:21

... in the sentence compression model, the short string is the original sentence and someone adds noise, resulting in the longer sentence. Using this framework, the end goal is, given a long sentence l, ... by eliminating the need for coherency between sentences. The model is further simplified by being constrained to word deletion: no rearranging of words takes place. Others have performed the sentence ... (compressed) sentence is simply its prob- ability as a sentence. This will be, in general, false. One would hope that real compressed sentences are more probable as a member of the set of compressed sentences...

Ngày tải lên: 17/03/2014, 05:20

Ngày tải lên: 24/03/2014, 03:20

Ngày tải lên: 30/03/2014, 17:20

Ngày tải lên: 31/03/2014, 01:20

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 21/09/2013, 05:29

... OVERVIEW. I/REWRITE SENTENCES: 1. The villagers, though few in number, were incredibly friendly (LACKED) -> What ... when she was left out of the English club(EXCEPTION) II/COMPLETE PHRASAL VERBS: COMPLETE EACH SENTENCE USING THE SUITABLE VERB FORM WITH A PREPOSITION TO MAKE EXPRESSIONS OF PHRASAL VERBS ... note yesterday but I can't what he had written 7) Many small shops have been of the market by major supermarkets 8) We didn't have a map, so we the hills hoping to find somewhere to...

Ngày tải lên: 28/10/2013, 05:11

... TEST 6. V. Write a new sentence using the word given. 1. He is becoming quite famous as an interviewer. NAME ……………………………………………………………………………………………………………… ... people are the real beneficiaries”.(MATTER) …………………………………………………………………………………………………………………… Write a new sentence as similar as possible in meaning to the original one using the words in CAPITAL LETTERS...

Ngày tải lên: 28/10/2013, 05:11

... Sentences that are too complex are hard to understand, so are sentences lacking seman- tic cohesion and cross -sentence coherence. Further more, bad sentence boundary decisions may even make sentences ... optimization, we can avoid generating dangling sentences by making more balanced sentence boundary de- cisions. In contrast, the baseline approaches have dangling sentence problem when the in- put proposition ... boundaries by op- timizing the solutions using all the instances in the corpus. By taking a sentence s lexical and syntac- tic realizability into consideration, it can also avoid sentence realization...

Ngày tải lên: 20/02/2014, 15:20

... Garden-Path Sentences Grammatical sentences such as The horse raced pamt the barn fell. seem actually to receive no parse by the native speaker until some sort of "conscioun parsing" is done. ... that rack" sentences of Section 2. Both sentences are similar in form and will thus have a similar configuration when the reduce-reduce conflict arises. For example, the first sentence will ... grammars used by our parser can be ambiguous. 2. The Phenomena to be Modeled The parsing system was designed to manifest preferences among ,~tructurally distinct parses of ambiguous sentences....

Ngày tải lên: 21/02/2014, 20:20

... target sentences are encountered, and represented by speaker and hearer in some kind of model of the discourse. There is a sense in which all of these examples are unnatural because each sentence ... Constraints on Sentence Comprehension. PhD Thesis. University of Connecticut. Crain, S. & Steedman, M.J. 1982. On not being led up the garden path: the use of context by the psychological ... can explain parsing preferences when a target sentence is embedded in a discourse, can it also account for the preferences exhibited in isolated sentences (the "null context" cf. the...

Ngày tải lên: 22/02/2014, 09:20

... sentence such as word length and sentence length, and ignore grammatical- ity or the semantic adequacy of the content of the output sentence, which BLEU is aimed to implic- itly approximate by ... From this sub- set we randomly pick 20 source sentences, result- ing in 20 clusters of one source sentence and 5 sim- plified sentences, as generated by humans (Simple Wikipedia) and the four systems. 1019 Proceedings ... Introduction Sentence simplification can be defined as the process of producing a simplified version of a sentence by changing some of the lexical material and grammat- ical structure of that sentence, ...

Ngày tải lên: 07/03/2014, 18:20