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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教& d" ]. A$ x; P$ }% U
globals[1 o& o' d3 R' n% v
xmax7 c( T5 V+ L6 ], t+ a6 t) F$ m
ymax O- x, O: o% ^3 Y% N" l
global-reputation-list3 E- }3 F& P" _ z( M* T7 U
1 d: B2 ?" B8 v$ i! c$ r
;;每一个turtle的全局声誉都存在此LIST中
, N% T( o. `! B9 Ucredibility-list
. f! i2 }! R8 L g& }( s: k;;每一个turtle的评价可信度
" b" r' B3 \. ^2 ^' P4 G8 lhonest-service) O7 i( c4 Z& p( y
unhonest-service5 u- b5 G) E# _' V
oscillation
8 a8 {" y* H3 P! Qrand-dynamic; |: n: C' Z1 K. V; \6 h! ~1 N
]6 i1 w" P. i; S; }( i) O
) C( k7 v0 G% l6 A8 w
turtles-own[) u3 z* _$ P% V5 l6 I I; `
trade-record-all* \' N7 K/ J- j! g5 Y) q2 \( X
;;a list of lists,由trade-record-one组成
3 e+ S$ |4 ^+ s5 vtrade-record-one
. S2 D7 ?4 A) ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- y9 [5 Z- p7 ?# D' j
% j3 Q5 }0 |% h4 r) A;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]4 g1 S$ y$ y' q, }" ]) D4 f
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
+ |; ^% u- M, Y4 Jcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
$ `; P7 n6 V; l5 b0 }; Xneighbor-total
# }# a6 @+ P2 A: }0 n# m/ N;;记录该turtle的邻居节点的数目8 q& B' l9 y# e5 _/ c2 [
trade-time0 E2 |) r2 V- q9 E
;;当前发生交易的turtle的交易时间1 x5 a4 W# | v t- w; ^6 m G
appraise-give
, l9 w- x/ o0 ?) F+ m: V;;当前发生交易时给出的评价7 Q3 u* i2 h. B9 E
appraise-receive
, Q$ w. g$ k; S% D5 _;;当前发生交易时收到的评价9 X n$ m- z8 N; C$ M
appraise-time
+ z$ s- h1 L5 k$ ~;;当前发生交易时的评价时间
8 p) K9 \: d0 o5 M1 F. Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
; v, l) K3 b8 U% ?* }3 Jtrade-times-total
; Z* ?/ L, q6 y+ t;;与当前turtle的交易总次数2 ~9 k4 c# ~" n- D8 ^ }# E$ u! b. Z- ?
trade-money-total7 B. f0 o$ `/ m
;;与当前turtle的交易总金额* O b: |& P* Q* l5 A) J, T
local-reputation. N# | O6 {: n7 d
global-reputation- Y& U0 U# I$ O( D# j# X! j7 J% e. s9 E
credibility. Z+ M: h; @/ e" e$ D
;;评价可信度,每次交易后都需要更新
! I0 _9 }3 J8 R1 H; U" b1 hcredibility-all% V% M R+ l/ p, g. _& z3 J
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
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;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
- R$ r. S: M7 r- Z, g4 [credibility-one: p/ W' ^* d/ a$ [5 W
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
% I( b; [9 ~' w8 d. xglobal-proportion' p; R( m/ I6 T6 `' n
customer
" J- d/ `; ]* @5 vcustomer-no' U' ^" q; N% L* Y2 q# x
trust-ok$ i% P4 J! R& o
trade-record-one-len;;trade-record-one的长度1 m. L: W1 v$ |* K K
]/ g7 \% T/ q9 s& {( w
N7 a& o& `8 x F;;setup procedure
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to setup7 F6 R3 W5 k0 D8 L
) l, g' \7 a( a8 ]" I Hca) H# K. O {- a4 \/ K
8 D& |( q9 ?. V" @/ O8 ?initialize-settings$ G' g! r3 m' z( H
$ L: ?! N6 v$ ocrt people [setup-turtles]
* Y+ A; r% H; v1 _0 D1 ?0 T5 D
& p/ C% d- L- e: W2 h, Mreset-timer7 m: l. B* ]6 z) D9 p
( z1 R0 v" E5 u2 Tpoll-class% W8 F1 L& j6 D4 b' w
/ l- x* E6 `" |( I& v4 q
setup-plots
/ J) m4 I6 K$ [) a) `' t; U5 e& b I# }
do-plots9 z+ N, x5 t% x7 o/ m8 K/ m+ s
end
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to initialize-settings
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set global-reputation-list []8 a2 _: m# \, X7 n+ V" b
& b! V, W ^( n- |9 Cset credibility-list n-values people [0.5]) G2 W8 [1 ~$ K% q/ J
+ w" {4 W, E( @" |. k& U2 Gset honest-service 0$ X% ^9 a& J- B
. m8 p+ z0 G! e$ ]$ Y' kset unhonest-service 0
" p m, c0 @! \0 ?# G1 S
x: u- H/ E; j1 |( pset oscillation 0- ~$ `2 J! ] [2 }' f
% ?3 ?: x' w" B8 y3 R* B3 ?" pset rand-dynamic 0
" j% q8 P% v2 h( [9 W% \- z: V% pend5 J9 I1 w+ m/ t# g
1 J& N# @3 }, ^. c
to setup-turtles
% F; K# N* {# L: g- N/ Cset shape "person"
) Q# \9 r/ }$ V$ }" P/ A9 F2 L- h( r+ Jsetxy random-xcor random-ycor
- B, P( T# f1 ]3 I$ c& S8 S% xset trade-record-one []
9 O2 N0 ^" w, Y$ S4 b% x) R8 D6 R, l* k
set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []8 n( d7 }) ?8 J* J4 V2 o8 K
set credibility-receive []/ V% K0 I% s" Q0 k! O) I6 j
set local-reputation 0.53 f3 n9 _2 k( q: K2 D9 S
set neighbor-total 0
8 |* L/ Q, P3 Q8 b; O/ Uset trade-times-total 0
! S& m/ m. x7 b$ F8 a' u2 Fset trade-money-total 0
6 P1 d4 Q1 S" x, k9 w x- d7 pset customer nobody2 g! M- f. s" @- g/ u% |
set credibility-all n-values people [creat-credibility]3 b# v" [' c- d# y6 H5 U) m
set credibility n-values people [-1]
4 V. l* E g t' sget-color2 A, L1 @. r: u" W
3 V K n- @. S0 u5 l
end
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9 `' G4 D9 Z) t* l3 x0 v- ^% _to-report creat-credibility
, b+ X- f; M4 d$ t5 o3 }8 \report n-values people [0.5]7 A) D2 n, A- r; L) u: v
end
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to setup-plots# [/ [6 z9 B" g9 r2 u) @0 `$ j
7 C \* U+ a. E
set xmax 302 z* c+ }% Q! O$ R- w) D2 Z! V1 h
2 E+ }7 n% j: v# @1 }
set ymax 1.02 T2 T. k- w5 E5 L; o, z9 v
) R9 {5 O) L+ p, t: P- f
clear-all-plots+ e- L' m6 H4 f) a8 F8 _- u
7 _3 ?( h8 a0 X( c: W! {
setup-plot1
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setup-plot2
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/ D9 b- {6 J# psetup-plot3
8 T6 B7 z! e# R7 W) O1 Bend
; ^; z2 S) q! t" Q7 C
- }! Y- u- N" S;;run time procedures; {7 J8 u! a& {
% k7 M' t0 L' j2 ^' P) [& J5 y9 Eto go
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1 L1 n a' H8 E# n/ ?$ hask turtles [do-business] [* V2 {$ J S9 q/ [
end
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to do-business
) A5 @2 V0 p5 O6 w+ k
( X9 J8 p& Q8 l2 L1 j! K) h/ j$ O% H7 }0 f; N) n
rt random 360
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# k3 Z& l' [; ^, \6 ffd 11 v, y2 _6 V! d4 n1 f: T
* `& I7 S+ B# H% H: C1 R9 h9 G4 Mifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself6 I `6 a: d- Z4 D+ H
1 R1 U! X& H3 Z8 H+ @
set [trade-record-one] of self item (([who] of customer) - 1)8 F- H8 x! T4 q# q5 u# y/ {
[trade-record-all]of self I4 \, M; c+ P' k. l- v0 {% x3 V m2 I
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; H7 s$ r0 T9 s/ [! a$ k
" W1 K* I1 ^# F, r- B" H& \set [trade-record-one] of customer item (([who] of self) - 1)
2 w. v ]3 I$ i: Y- z7 ^- e[trade-record-all]of customer5 `& o% |0 O/ u# _2 `9 a3 C
* u {; L$ M: L+ p0 n- B# cset [trade-record-one-len] of self length [trade-record-one] of self R* {. J/ G2 }6 v; g/ P; n
/ i8 _# x+ F& D; H: ^ } M& \set trade-record-current( list (timer) (random money-upper-limit))
) [& l' }- p, a+ |/ \" E4 t1 H9 }
ask self [do-trust]% q+ E& |) c6 \' G, z
;;先求i对j的信任度
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if ([trust-ok] of self)
4 V7 H3 ?9 h/ d4 t% p, _;;根据i对j的信任度来决定是否与j进行交易[
) A( \) [( Q" S W6 u1 f7 i6 uask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
1 c2 J4 L. r$ T. H7 h. h2 z% i
5 S) W# B- s* W% e/ zdo-trade( ?* ^: \% }$ |
' s$ h( E1 ~$ U; _3 o' i6 F8 supdate-credibility-ijl8 n2 [, b/ `6 o, x8 ^+ d2 f1 [
6 \3 K E4 F; r# K+ hupdate-credibility-list
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" z7 i# r' b P) @* o
2 n* w1 r4 u4 ^( L6 I" {update-global-reputation-list6 t- f% J7 u4 d
' H' n l, F! \$ L2 v
poll-class
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get-color8 Q6 A) b8 f" B
' [% d1 }& y; B5 ]. q3 t! Q k
]]
6 a% Q0 Y# U: c5 X( q5 K2 |" p) t- v9 X
;;如果所得的信任度满足条件,则进行交易
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[# I2 L1 j8 v- d) |( f+ Q
% C2 _; P; O" e% h* ?- Grt random 360
; ?8 Y" R# {) H v& S- f/ a T- |6 \8 w1 U( D1 H# y7 Q
fd 17 S9 K7 U% ]5 O. }
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) `- p8 {" ?1 l9 F- y0 J0 lend9 b5 h' ^* G1 v5 R7 n& h
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to do-trust 0 G7 G5 l& s5 v( i$ N% @; ~2 ^
set trust-ok False
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1 t$ X8 y! X% x, Plet max-trade-times 0
}( ^( P2 ?8 }9 u, {+ \" m- K6 Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ n# m1 v1 ^7 g9 R' Elet max-trade-money 0% a+ g4 ]6 r! [% X- [: `0 W, _" a
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
4 m7 @9 \# c# y& S% j# rlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 v2 X4 n0 j/ o( _$ C5 ~* o
; `$ V% j" P L+ E/ q! a8 A( F# I
% }8 f% N1 x4 Z% f' i& rget-global-proportion. ]* c) p, A- c/ L6 G3 I) d) E
let trust-value( ~) a9 P+ B& l! s z' D. g; ?
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! T8 u5 @# B7 o( O1 \; Aif(trust-value > trade-trust-value)2 r, i! w7 q/ I0 s' B7 D- V7 o8 o2 ?! ~
[set trust-ok true]4 T. b, {, N: _: E
end6 B0 x; i( Q" I0 ~" x& B
) i/ l! H) J/ R. Kto get-global-proportion) j9 P! e$ n9 s
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" f$ h6 t% A f[set global-proportion 0]2 g8 S; X' U+ Q3 k2 W! }
[let i 01 j& f2 p: v# Q! R9 L6 C
let sum-money 0
/ @+ E2 ^& O) `9 Qwhile[ i < people]' T$ y# q. R8 n9 z2 F1 }% V
[
) W' A3 N% P" ] T( t' \if( length (item i
: {6 A& s; B, B3 W& a; ]# ~[trade-record-all] of customer) > 3 )& x+ G$ [/ b( g J/ O* ~
[
% u. B. N, |4 {; K! kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))! a2 X' d) d+ x0 C
]' z0 W* }3 F+ {3 b& n5 Y$ W# x
]
8 ^+ i2 m' g, clet j 0
' L' w+ N w+ i) Dlet note 0
4 `' ?% h# q4 B2 Zwhile[ j < people]$ v; G4 Q2 M. e+ l6 M, |
[
" v" D8 z L0 G7 B( S) |if( length (item i. j8 W: j8 O2 i Y
[trade-record-all] of customer) > 3 )
1 _* @4 n) t' b& z l[4 A# H- j) S" V; z. u/ s, \+ ^6 `
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ p9 S: [1 ~+ l" [7 y) L
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 |9 {1 r/ L3 o7 N[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) Z6 O, J. ~ i' t" t]
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7 W& F$ Q c4 @, Qset global-proportion note6 J+ G% S2 d7 u" ~$ K X- O$ k
]1 [2 @: x5 L7 [. m
end6 Y9 X* C$ o* i D
0 S. X( z5 R( f: ^0 Yto do-trade2 D8 M: A1 H% S7 }2 j/ Y
;;这个过程实际上是给双方作出评价的过程% b6 ?8 Q) }- F9 H% x9 X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% C% G1 A8 m* w B' P p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. B( {+ H% O1 {& z, U6 m- W1 ~5 Zset trade-record-current lput(timer) trade-record-current
: J; y% X5 U* w. M;;评价时间
4 n# K/ w( s) }3 t$ ^! ~2 Nask myself [
/ K. z( ~( t( v1 ~1 Q* D& D7 jupdate-local-reputation- ~2 R7 g2 V. l5 f& q& @% [) G
set trade-record-current lput([local-reputation] of myself) trade-record-current
) {: a: W. x4 g# {, |9 []
o1 f7 {- A8 m* g, Iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 a: n, z6 G$ |
;;将此次交易的记录加入到trade-record-one中
2 y& [: q3 i4 R0 S9 oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" d) L+ M9 B" F. u/ [+ L
let note (item 2 trade-record-current )4 d; h) i5 L" T' H" p& F5 [: C
set trade-record-current
$ q1 i4 P/ V' y# f1 B7 f5 r. t(replace-item 2 trade-record-current (item 3 trade-record-current))
9 S4 v2 ^ w. p5 h! h! cset trade-record-current
3 A: l* ~" x1 r' G. r- w5 g(replace-item 3 trade-record-current note)( d7 x. r& ?$ @' e/ ?$ d
3 B# x" i7 d7 ^, s& `; i7 A& x' k% m( _9 ], N9 j5 y/ u; K
ask customer [+ t) ~% B7 I5 T% g9 P7 X
update-local-reputation! z6 J9 O: ?3 \: u
set trade-record-current
- H1 }# H I2 I5 N7 I1 N(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - h+ W2 ~" h0 X8 L! a+ J
]- ~1 B2 v/ f0 X4 E7 u2 E3 g
2 ?+ J' X K) L% \2 c: Z8 ~" R% p
3 r5 p/ Z3 W# [* Q8 n- F, f& n" H0 G% y
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: s9 O5 j. l, J3 D* n. r7 t' Y
* M$ R% e3 t9 W- m/ \# \! p2 n
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ @$ N: g3 y, o. i% m/ A;;将此次交易的记录加入到customer的trade-record-all中1 r2 X, _* h6 @6 @
end# T9 W' f- {9 _1 P0 I: D3 Q) Y8 f
" o |/ U! W7 \/ \- u7 Zto update-local-reputation
0 k! p0 ?3 D! f( P+ o) wset [trade-record-one-len] of myself length [trade-record-one] of myself
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;;if [trade-record-one-len] of myself > 3
3 _( }: {1 H |1 Supdate-neighbor-total
" C$ w: p: `+ _5 p9 g8 A" [/ N;;更新邻居节点的数目,在此进行$ i6 I* \- N- e' ]' `4 G4 u, c
let i 3% b& b/ h) Q$ N# K$ m. U. x0 Y
let sum-time 0- d) X/ E7 s$ p# O6 r
while[i < [trade-record-one-len] of myself]9 q! ~/ }: H5 E3 N
[) @% o( ?1 r. n, W: q/ X
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
* ?! U2 T& v3 x) Xset i4 `8 x% _/ e( B" P
( i + 1): i8 z: P6 o& c$ t1 T
]
6 q' E8 i; J8 S6 |# ~6 Mlet j 3
3 b( V2 s, p' z/ j) v$ G0 ^- wlet sum-money 0- p" ?! }* A$ T8 L" w
while[j < [trade-record-one-len] of myself]8 {3 O- h3 K+ O6 p8 v
[
@4 J: e1 t. p. F0 t; W0 B) vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
, X8 b5 q; l3 B# D( c! E$ \) Tset j7 P1 P% ?0 L* ]- I5 G
( j + 1)
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let k 3
! @2 j( H" K& K/ p. \) t4 S8 Blet power 0. u: F$ y2 y0 b+ Z/ E# I+ a
let local 0
. b2 }) ~6 @& ]" s4 V* @( z- J2 z7 iwhile [k <[trade-record-one-len] of myself], m1 H4 c' p* J% U3 D+ r( ]+ @5 t( u
[* x8 H$ W. i% J% R' _9 i8 C+ S) M
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 9 U: }0 w& Y* [# z$ N
set k (k + 1)* [. E9 C" _8 d
]: h X3 i9 B8 d; A" M# _
set [local-reputation] of myself (local)
6 \& _6 p ^' W& e8 G' n8 Rend0 T- V- W ~0 g: M5 _: N h
5 r; g: S" c" J5 Ito update-neighbor-total
4 L3 v4 I I% S" k; i/ j G! j& X" e, E$ g. R1 @; j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) ~' b9 k6 z0 F" T& j
8 o2 N7 M, f c' f& m$ W2 X2 i, J* e% w/ S% A
end- q6 X; D2 J: W" q6 Y/ P% M/ g
) i' g R- ]4 e5 Q
to update-credibility-ijl $ H# p. C5 V2 _5 b
0 R& Y% x4 _+ E. y( ~0 b;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
# Y% v$ T" r, F5 O8 i. o( k! nlet l 0
8 `7 b) o3 ?. i x/ uwhile[ l < people ]: e3 K. w2 M) g
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
5 Y. }: a* S$ E' A0 k[0 g) ?$ w) C" c3 t4 Q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 |% b' S, E8 ~8 V vif (trade-record-one-j-l-len > 3)
2 }: M# Y; |# M' d1 Q9 K& T* F3 W[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one" j. s$ n7 {) A+ m
let i 3
/ U% E" Z$ S- u/ M& S% k5 nlet sum-time 0' O2 [. q' R0 I! n" F
while[i < trade-record-one-len]; a K. k0 B" v2 w6 p n
[0 A. U7 X* U7 ^% @
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ R6 }: p4 V( g* k3 M
set i
A# X9 y' k* U" K |% {* T( i + 1)
; `2 C0 i7 _7 _]1 S0 D" ?+ J* v& ~' G: O
let credibility-i-j-l 0! s; y+ U) W( q* j+ _- H5 C
;;i评价(j对jl的评价)
3 Z7 I" Y! A/ e: A( S0 ?5 clet j 36 x# ~ g# r+ F* z
let k 45 x3 v* L4 e' v4 O1 W& G( Z' J' L/ `
while[j < trade-record-one-len]
1 H) h% e5 ~' T% o( v; w3 ][
1 Z1 |4 x# R% S( v& `- U, y: [. Pwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉- A- Q% B3 J) I5 b3 a( G3 x& F
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)& R, Z, M9 U( @
set j6 ]; w" l% W w4 e% S
( j + 1)
. ^: C/ ?6 B- e; I8 E7 @8 X: d]
. q7 t- [( @3 k- Eset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
0 ^: F* z8 c( U8 F( S
: E$ F: O0 U" M! u( W, o* J0 z
( ?, I8 F5 }* o' V$ g$ y: m3 @+ blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 I" _2 r. b8 P/ @$ r1 l% F;;及时更新i对l的评价质量的评价
' o0 @* d8 [) w; x$ [5 ?7 W: Cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
B7 E6 V1 y# j# e1 Wset l (l + 1)8 Z f) K( q9 i7 _( V1 k w1 X
]
+ J2 ?5 u' Z" X+ _3 y6 Rend# d" L4 X3 l$ V! q
8 H: O# k' W: X! o4 Y. c; @" @to update-credibility-list
$ o, w1 |5 ~: j9 n; Nlet i 0
+ ~& O0 z) P7 z; I* s) jwhile[i < people]% {8 S4 |" C) X$ P1 h. h
[2 A& u' j6 Y; M( J
let j 0
6 k0 j; _+ I2 Y) N' r7 wlet note 0
& B2 n- L5 @% t2 v8 D+ h- b slet k 0
% A, Z! l, H' Z1 Y; y& L;;计作出过评价的邻居节点的数目
1 p! Z- s3 r: L( s* ^while[j < people]% l" @+ b9 ]) R1 h: q( M4 Z
[
0 z, ]4 n0 f. q; G* kif (item j( [credibility] of turtle (i + 1)) != -1)
* c# R6 f" L+ l) r% g;;判断是否给本turtle的评价质量做出过评价的节点0 A2 v2 M/ P0 r6 J" Z
[set note (note + item j ([credibility]of turtle (i + 1)))
W8 I) A8 b+ Y! l4 }8 A;;*(exp (-(people - 2)))/(people - 2))]5 N& z& m7 P! i3 j+ V
set k (k + 1), P+ Q2 r8 s" E/ J1 P* i7 L; T7 Q
]6 M- |% y; Z# V& [9 L7 I
set j (j + 1)
+ [8 W/ a# ~3 C% U$ j8 _]
! e9 m3 L4 r6 z! w/ b. R( ^set note (note *(exp (- (1 / k)))/ k)
: T0 {* R6 Y& Gset credibility-list (replace-item i credibility-list note)
+ a: O% R3 Z1 c/ b; x( @7 _set i (i + 1)
, U, G' c0 o b4 Z/ W0 f7 k]1 O8 S4 V. }. {
end
' `+ p- O; o0 L" E$ p8 ^- j' x6 Q3 Q( r: k, w
to update-global-reputation-list
x0 T" |& k8 x% @1 glet j 00 C# u6 Y9 t& _/ f. ]" P( F
while[j < people]% c; @ ^6 p S8 X% t0 B) ^8 w* J5 J( [
[4 A+ S! U" u$ _8 R2 C
let new 09 W; t9 D9 g% f* w2 j
;;暂存新的一个全局声誉
- u. c: e" k9 V1 b8 Q3 p/ r: Llet i 0
5 K/ H' e( a1 c) w" J1 }* T; Plet sum-money 0
H0 b& X g: R4 j/ Dlet credibility-money 06 r5 `* c' u$ Z- n
while [i < people]
8 P1 \9 C; ?- t; Y) q[8 ]; Y/ e+ t$ W9 i6 G T5 k) k
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" B% _* l& [2 cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ G# N+ k) L; W) N) A1 E& ~0 a$ L* V3 T
set i (i + 1) }/ ?' V+ i) _
]
: ~5 k' W% k0 W, X1 Tlet k 0
; R6 q. t' Q; f& w5 W$ Blet new1 0/ k+ \9 g% [4 h' A" I. b
while [k < people]/ g4 j. }/ G0 d
[
3 l5 Q k h, _( C$ D5 f0 Sset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)# F( e5 O3 _" p" V/ i/ g* t
set k (k + 1)! v7 `: J6 h9 u7 e3 i4 s7 F& g. x
]% h$ Y; g" h- Y/ e% I+ ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 g4 f% D- q, E* r6 a4 x& Z& d) Gset global-reputation-list (replace-item j global-reputation-list new)
. d: n5 O& H' }2 L, y, jset j (j + 1)/ |2 n5 U8 W. n4 o* t+ w
]
9 E# F9 \, V0 q1 S0 O r1 {! Xend: Z- h3 R! @) Q
# z/ r" `1 |" \( K p
. ~0 S) ?) w# o: {* S9 w( W, U% g, |
3 m) I d% M: eto get-color
$ r; D; I" g }7 g, I5 W1 o. i2 k2 y" L4 F/ u5 Y- p$ _8 m# [
set color blue% y3 u3 F+ }2 W! S) L# ~
end
- k# k5 N K/ ]$ o8 j1 ~4 m6 }2 }; O ? t* I
to poll-class) D* a; }. o2 Z
end0 P6 H7 h" ?* g; N2 Y
( L" j* Y$ _. `5 Pto setup-plot1
! I, z& f G1 P8 D
6 X# {) e2 Q0 i* W) q4 jset-current-plot "Trends-of-Local-reputation"9 u( z9 @, z7 C3 l
4 J6 ]& B1 i& D) L% c/ F$ vset-plot-x-range 0 xmax! m8 y u0 u+ K/ k4 z/ j$ { x1 t& u
2 B+ J5 @% V& M" mset-plot-y-range 0.0 ymax
7 Y; ^6 ], @8 e* }5 t2 Y( eend4 Y4 C' m2 g' p' q6 n
6 F$ T( \/ L7 I5 a! V
to setup-plot2+ K6 c4 E1 {& ]1 _4 n
2 Q6 h) V* V" u$ K- eset-current-plot "Trends-of-global-reputation"8 M$ }+ y* P' c6 C: k* ~
0 ^4 c: J3 g# e8 r3 s/ ]set-plot-x-range 0 xmax' {6 x( |" L7 v2 h% d
) q7 T& f2 q. F/ D$ r
set-plot-y-range 0.0 ymax
9 N% N$ n( {2 Q! R- s! Dend
; M7 c1 [$ @8 }* |/ Z: M4 f2 | ^$ p- F. g3 r Q
to setup-plot3
$ f0 R, j. n$ h9 c# y7 V% l/ b6 B
set-current-plot "Trends-of-credibility"" @. U; n' f5 D7 Q- u2 G; @/ j% q
/ p, h! I) g/ r! A0 S6 K6 @set-plot-x-range 0 xmax
3 T! v. M1 `1 v, |7 q8 `) K2 A8 Q2 W5 y; E$ d/ q1 h
set-plot-y-range 0.0 ymax. _5 ~0 t5 [4 v y- `8 s1 K
end: ?1 M4 {4 U) ]
* g; T: ^$ h- Hto do-plots
/ r" z* c5 W6 ~0 b) ]set-current-plot "Trends-of-Local-reputation"& c( `$ ]; I$ f- q& y. g2 ]
set-current-plot-pen "Honest service"2 w, h2 L! M$ J
end; `: T" q+ `: l0 n$ o l# w5 _
8 a0 n+ b3 ]5 D
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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