Báo cáo tin học: "Spanning Trees with Many Leaves and Average Distance" ppt

Báo cáo tin học: "Spanning Trees with Many Leaves and Average Distance" ppt

Báo cáo tin học: "Spanning Trees with Many Leaves and Average Distance" ppt

... of combinatorics 15 (2008), #R33 7 Spanning Trees with Many Leaves and Average Distance Ermelinda DeLaVi˜na and Bill Waller Department of Computer and Mathematical Sciences University of Houston-Downtown, ... maximum total distance (and thus maximum average distance) [18]. Lemma 4. Let G be a graph with a trunk of order t ≥ 1. Then W (G) ≤ W (R(n, t)), with equality hol...
Ngày tải lên : 07/08/2014, 15:23
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Báo cáo toán học: "Spanning Trees of Bounded Degree" ppsx

Báo cáo toán học: "Spanning Trees of Bounded Degree" ppsx

... x i is adjacent to both a j and a j+1 .FormS from T by inserting x i between a j and a j+1 , i.e., remove the edges x i S(x i )anda j a j+1 , and add the edges x i a j and x i a j+1 .ThenS wins ... u i /∈ X with i minimum, and u j /∈ X with j maximum. Here, u i = a 0 = u j . Because of equalities (1) and (2), we may apply Fact 2. Parts (a) and (b) imply that {u 1 , ,u i } is...
Ngày tải lên : 07/08/2014, 06:22
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Báo cáo toán học: "Spanning Trees and Function Classes" docx

Báo cáo toán học: "Spanning Trees and Function Classes" docx

... associated with the composition F =(c 1 , ,c k ) of n.LetI B and I S be subsets of [k] and let B = {C i : i ∈ I B } and S = {C i : i ∈ I S }. We refer to the sets B and S as the bases and summits ... the q-generating function of a degree-weighted vertex-ranking statistic for spanning forests of K n , with restricted ascents and descents, and with specified roots for the com...
Ngày tải lên : 07/08/2014, 06:23
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Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx

Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx

... K. W. Church and W. A. Gale. 1991. Probabil- ity scoring for spelling correction. Statistics and Computing, (1):93-103. H. H. Clark and S. E. Haviland. 1977. Comprehen- sion and the given-new ... information tend to be less specific and hence less accurate. Nagata and Morimoto (1994) report prediction accuracy of 61.7 %, 77.5 % and 85.1% for the first, second and third...
Ngày tải lên : 20/02/2014, 18:20
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Báo cáo khoa học: "Question Answering with Lexical Chains Propagating Verb Arguments" pptx

Báo cáo khoa học: "Question Answering with Lexical Chains Propagating Verb Arguments" pptx

... Christine Clark, and Mitchell Bowden. 2004. PowerAnswer 2: Experi- ments and Analysis over TREC 2004. In Proceed- ings of Text Retrieval Conference 2004. Dan Moldovan, Christine Clark, and Sanda ... com- puted a score “indicating how well DRSs match each other”. Moldovan and Rus (Moldovan and Rus, 2001) transformed the question and the can- didate answers into logic forms and us...
Ngày tải lên : 08/03/2014, 02:21
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Báo cáo khoa học: "TENSE TREES AS THE "FINE STRUCTURE" OF DISCOURSE" ppt

Báo cáo khoa học: "TENSE TREES AS THE "FINE STRUCTURE" OF DISCOURSE" ppt

... Proc. 29th Annual Meeting of the ACL, pages 55-62. Berkeley, CA, June 18-21, 1991. [Lascarides and Oberlander, 1992] A. Lascarides and J. Oberlander, "Temporal coherence and defeasible knowledge," ... drive the generation and traversal of tense trees in deindexing. 3 Tense Trees Tense trees provide that part of a discourse context structure 2 which is needed t...
Ngày tải lên : 17/03/2014, 08:20
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Báo cáo khoa học: Snail associates with EGR-1 and SP-1 to upregulate transcriptional activation of p15INK4b doc

Báo cáo khoa học: Snail associates with EGR-1 and SP-1 to upregulate transcriptional activation of p15INK4b doc

... C and lanes 2 and 6 in B), HepG2 treated with 50 n M tetradecanoyl phorbol acetate (TPA) for 1, 2 or 6 h (lanes 3–7 in A and 3–9 in C, as indicated) or 2 and 6 h (lanes 3–4 and 7–8 in B), and ... western blotting. The antibodies used for immunopreciptation and western blotting are indicated on the right and left of the gel, respectively. Positions of EGR-1 and nonspecific b...
Ngày tải lên : 29/03/2014, 08:20
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Báo cáo khoa học: "Summarizing Emails with Conversational Cohesion and Subjectivity" pdf

Báo cáo khoa học: "Summarizing Emails with Conversational Cohesion and Subjectivity" pdf

... distinct fragments (nodes), fragments are compared with each other and over- laps are identified. Fragments are split if necessary (e.g., fragment gh in E 5 is split into g and h when matched with ... Shanahan, Yan Qu, and Janyce Wiebe. 2005. Computing Attitude and Affect in Text: Theory and Applications (The Information Retrieval Series). Springer-Verlag New York, Inc. Lokesh Sh...
Ngày tải lên : 31/03/2014, 00:20
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Báo cáo hóa học: "PARABOLIC INEQUALITIES WITH NONSTANDARD GROWTHS AND L1 DAT" pot

Báo cáo hóa học: "PARABOLIC INEQUALITIES WITH NONSTANDARD GROWTHS AND L1 DAT" pot

... Cη, (3.17) and by using (3.8), we get  ∂u n ∂t ,T η  u n − T k  α k j  μ   +  Q a  u n ,∇u n  ∇ T η  u n − T k  α k j  μ  ≤ Cη. (3.18) PARABOLIC INEQUALITIES WITH NONSTANDARD GROWTHS AND ... growth: A(u) =−div   1+|u|  2 ∇u log  1+|∇u|  |∇u|  , A(u) =−div(∇uexp  |∇ u|  . (1.2) For some classical and recent results in the setting of Orlicz spaces dealing with el...
Ngày tải lên : 22/06/2014, 22:20
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Báo cáo toán học: "Hard Squares with Negative Activity and Rhombus Tilings of the Plane" pdf

Báo cáo toán học: "Hard Squares with Negative Activity and Rhombus Tilings of the Plane" pdf

... to count for each point p and each pair of paths (P 0 , P m )fromp 0 and p m , respectively, to p with allowed steps being (1, −2) and (2, −1) for P 0 and (−1, −2) and (−2, −1) for P m . See ... again even. Since there are four distinct translations of ρ and 18 distinct translations of ρ  ,we conclude that ψ ± 6 (n) is always zero with the two exceptions ψ + 6 (4) = 4 and ψ...
Ngày tải lên : 07/08/2014, 13:21
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