báo cáo khoa học:" Endoscopic sinus surgery for maxillary sinus mucoceles" doc

Tài liệu Báo cáo khoa học: "Web-Scale Features for Full-Scale Parsing" doc

... leave, inhave NN IN time, for some NN IN money, for annual NNS IN reports, onTable 8: The highest-weight features (thresholded at a count of400) of the before-word schema for a noun head and prepositionargument ... errorreduction. Results are for dependency parsing on the dev set for iters:5,training-k:1.tal errors break down by gold head. For example,the 12.1% total error reduction for attachments of anIN ... one. For an n-gram w1 wn, if the ﬁrst n-gram word w1doesn’t occur in the outer hashmap,we move on. If it does match (say ¯q1= w1), thenwe look into the inner map for ¯q1and check for...

Tài liệu Báo cáo khoa học: "A CONNECTIONIST PARSER FOR STRUCTURE UNIFICATION GRAMMAR" docx

... grouping of information, thus expressing the information in- terdependencies. The language which SUG pro- vides for specifying these descriptions allows par- tiality both in the information about ... predications for one node to the phase of the other node, then forgetting the first node. The for- getting operation is implemented with links which suppress all predications stored for the node ... thereby also forgetting the predications over the nodes. This forgetting operation abstracts away from the existence of the forgotten node in the phrase structure. Once a node is forgotten it...

Tài liệu Báo cáo khoa học: "Incremental Parsing Models for Dialog Task Structure" doc

... to improvedperformance for any method. One utterance ofcontext is best for shift-reduce and start-join; threeis best for the connection path method. The shift-reduce method performs the best. ... historyNbestFstart!completeconnection!pathsshift!reduceFigure 5: Performance of parse-based methods for subtask tree buildingFigure 5 shows the performance of the differentmethods for determining the subtask tree of the ... f-score is 47.86, as com-pared with 34.91 for start-complete, 25.13 for theconnection path method, and 21.32 for the chunk-based baseline. These performance differences arestatistically signicant...

Báo cáo khoa học: "SVD and Clustering for Unsupervised POS Tagging" docx

... Combining distributional and morphological information for part of speech in-duction. In 10th Conference of the European Chap-ter of the Association for Computational Linguis-tics, pages 59–66. ... map-free information-theoretic criterion—see Gao and Johnson (2008) for details. Although we find M-to-1 to be the most reliable criterion of the three, we include the other two criteria for completeness. ... Table 1 compares the per-formance of SVD2 to other leading models. Fol-lowing Gao and Johnson (2008), the number of induced tags is 17 for PTB17 evaluation and 50 for PTB45 evaluation. Thus,...

Báo cáo khoa học: "Stochastic Iterative Alignment for Machine Translation Evaluation" doc

... N for i = 1; i ≤ M; i = i +1 do for j = 1; j ≤ N; j = j +1 do for k = 1; k ≤ i; k = k +1 do for m = 1; m ≤ j; m = m +1 doscorei,j,k,m= max{scorei−1,j,k,m,scorei,j−1,k,m} ;end for end for scorei,j,i,j=maxn=1,M;p=1,N{scorei,j,i,j, ... |ref|; for i = 1; i ≤ M; i = i +1 do for j = 1; j ≤ N; j = j +1 do for k = 1; k ≤ i; k = k +1 do for m = 1; m ≤ j; m = m +1 doscorei,j,k,m= max{scorei−1,j,k,m, scorei,j−1,k,m};end for end for if ... 0.321 0.346 (+07.8%)Table 4: 95% signiﬁcance intervals for sentence-level adequacy evaluationcult for one metric to signiﬁcantly outperform an-other metric in sentence-level evaluation. The...

Báo cáo khoa học: "A Debug Tool for Practical Grammar Development" doc

... example.1 IntroductionThere is an increasing need for syntactical parsers for practical usages, such as information extrac-tion. For example, Yakushiji et al. (2001) extractedargument structures from ... toproduce only results consistent with the information.An example is shown in Figure 1 (<su> is a senten-tial tag and <np> is a tag for noun phrases).I saw a girl with a telescopeI ... data for thedevelopers to clarify the defects of thegrammar statistically. We applied willexto a large-scale HPSG-style grammar asan example.1 IntroductionThere is an increasing need for...

Báo cáo khoa học: "Randomised Language Modelling for Statistical Machine Translation" doc

... hash of event {x, j} under hiBF[hi(x)] ← 1end for end for end for return BF3.1 Log-frequency Bloom ﬁlterThe efﬁciency of our scheme for storing n-gramstatistics within a BF relies on ... bound on qc(x) ∈ Strain for j = 1 to M AXQCOUNT do for i = 1 to k dohi(x) ← hash of event {x, j} under hiif BF[hi(x)] = 0 thenreturn j − 1end ifend for end for The probability of overestimating ... 3-grams,the actual error rate of the former is lower for mod-els with less memory. By testing for 2-grams priorto querying for the 3-grams, we can avoid perform-ing some queries that may otherwise have...

Báo cáo khoa học: "THE TEXT SYSTEM FOR NATURAL LANGUAGE GENERATION" doc

... used for TEXT i. 2. 3. 4. identification -requests for definitions attributive -requests for available information constituency -requests for definitions -requests for available information ... detailed attributive information is included. For entities that are very different, only generic class information is included. A combination of this information is included for entities falling ... constructed by a fairly simple process. For requests for definitions or available information, the area around the questioned object containing the information immediately associated with the...

Báo cáo khoa học: "Improving Pronoun Translation for Statistical Machine Translation" docx

... appro-priately dropped, compared with 17 for the An-notated system. Of those pronouns, the meaningcould still be understood for 7/12 for the Baselinesystem compared with 8/14 for the Annotated sys-tem. ... theoverall quality of pronoun translation for both sys-tems. These results for the “Development” and“Final” test sets (see Table 3) suggest that the per-formance of the Annotated system is comparablewith, ... information struc-ture of the sentence within the current discourse.Czech has seven cases and four grammatical gen-ders: masculine animate (for people and animals),masculine inanimate (for...

Báo cáo khoa học: "A Revised Design for an Understanding Machine" doc

... has been proposed would appear to be really beyond the reach of a concerted effort. For information retrieval, and for social science, the implications of having a computer program able to reproduce ... all of it—becomes transformed into “meaningful” informa- tion before or as it reaches the person’s action direc- tion center. We may ask: What is the nature of the transformation it undergoes ... arrange all this information into a semantic “dictionary”. We shall discuss these tasks in turn in the next three sections. 4. A Medium for Semantic Information Storage Before we try to select...

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