Báo cáo khoa học: "Decoding Running Key Ciphers" docx

... knowledge that both the plaintext and the key are natural language strings is important in breaking a running key cipher. The letter-frequency distribution of running key ciphertexts is notably flatter ... the running key, since the short length of the key vastly reduces the size of the search space, and the periodic repetition of the key leaks information. Recent work on deco...

Ngày tải lên: 30/03/2014, 17:20

... Kinetic, inhibi- tion and structural studies on 3-oxoacyl-ACP reductase from Plasmodium falciparum, a key enzyme in fatty acid biosynthesis. Biochem J 393, 447–457. 13 Rock CO, Cronan JE Jr & Armitage ... substrate binding and catalysis. Structure 8, 339–347. 16 Zhang YM, Wu B, Zheng J & Rock CO (2003) Key residues responsible for acyl carrier protein and beta- ketoacyl-acyl carri...

Ngày tải lên: 23/03/2014, 10:20

Ngày tải lên: 24/03/2014, 03:21

Ngày tải lên: 18/02/2014, 16:20

... cells. Bcl2 family proteins are well-known components of the programmed cell death machinery, and some key components are involved in ER stress-induced apopto- sis. In general, pro-apoptotic members ... is highly possible that ER stress invoked by the accumulation of amyloid b-peptide is one of the key mechanisms of Alzheimer’s disease. Parkinson’s disease is the second most common neurod...

Ngày tải lên: 19/02/2014, 02:20

Ngày tải lên: 19/02/2014, 19:20

... pair (# N (α t 1 ⊗α t 2 ),# Σ×Σ (α t 1 ⊗α t 2 )); 9 c t [# Σ×Σ (α t 1 ⊗α t 2 )] + + ; 10 for each key ∈ m s .keys ∩m t .keys do 11 for each v s ∈ m s [key] do 12 for each v t ∈ m t [key] do 13 result+= c s [v s ]c t [v t ]g(v s ,v t ) ; 14 ... # N (α s 1 ⊗α  s 2 ). Theorem 1. C is O(n 3 ). By Lemma 2, each m s [key] contains at most n −k + 1 elements. Together with the fact that ∑ key...

Ngày tải lên: 19/02/2014, 19:20

... resulting verb phrase is combined with its subject, resulting in a declarative sentence (S[dcl]). A key difference with previous work on shift- reduce dependency (Nivre et al., 2006) and CFG (Sagae ... supertagger. Increasing the size of the beam in the parser beam search leads to higher accuracies but slower running time. In our development experiments, the accu- racy improvement became...

Ngày tải lên: 20/02/2014, 04:20

Ngày tải lên: 20/02/2014, 09:20

Ngày tải lên: 20/02/2014, 09:20