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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 H/ z0 }. S, w) O, ^
globals[
9 ~! _ i7 [( Y8 K4 x' f1 @xmax' Z* E7 D% i' x
ymax( |" e; c9 [$ A: z
global-reputation-list- q. g9 r6 {9 H& d1 f0 ?; U& d$ B1 n
* Q% J) l% Y3 _4 {8 d/ c/ H: v8 Z K
;;每一个turtle的全局声誉都存在此LIST中
& Y" \ p& ~4 z3 ?4 tcredibility-list
6 Q4 M [ B3 `; c0 e1 w;;每一个turtle的评价可信度8 p- n) Z& [4 R. b }1 Z
honest-service
6 C0 Z( Y' d. C$ x3 Punhonest-service) P. U) V F3 n% ^6 F2 \; f
oscillation
- Q4 z4 F+ m# X+ F K- D) i2 w' Urand-dynamic3 D9 e/ O& X7 x# n d
]& v# `9 ^8 i1 \! z, _ ~
, J; w$ T2 }& {# f! j6 ^+ I
turtles-own[" |0 Z1 _( i" V( _
trade-record-all
( A- s% I3 T; X* O;;a list of lists,由trade-record-one组成
$ u9 \3 [: X# m( g) B; R/ t) |trade-record-one5 n1 V8 j, x$ j, t5 \) n
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录( [+ u) [1 w8 O
5 Q5 k! y2 o: t% u/ s;;[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]]1 V! D( O3 x; u$ X2 R* Q* C
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]
: ? c; X: d4 o4 E6 Ncredibility-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
( Q. |) a9 M' S: \) Yneighbor-total
5 j' L3 P) N) w* ?;;记录该turtle的邻居节点的数目0 y9 J& `) y, i$ N( a6 @
trade-time
" x, v f* }, l6 d/ d; g;;当前发生交易的turtle的交易时间
: y- N' X* b, vappraise-give: j6 c& W# ~# `& W
;;当前发生交易时给出的评价
' |, \0 ~- K: U* T+ iappraise-receive
' c: S7 `; N0 N7 m" u b;;当前发生交易时收到的评价1 L& v) V l! w, b7 w+ b
appraise-time$ f, |. F. ]( Q& [1 y+ ]. C7 s8 @
;;当前发生交易时的评价时间" t* Z0 s5 c, y" l
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
c3 s0 v' G, ?' l `* etrade-times-total
5 |# y' I* Y8 j) v |;;与当前turtle的交易总次数0 C; M, F. ~' B7 {4 t: ^, M$ G
trade-money-total. x( y( a- T$ A: b
;;与当前turtle的交易总金额
T: J# V2 J* T/ G& N7 G# qlocal-reputation
. Q6 ?4 w0 U- b4 A6 Dglobal-reputation
# B D; J: X/ [credibility
+ a: _: p& u3 S' L+ k9 R2 P3 L;;评价可信度,每次交易后都需要更新
5 p+ ^( z6 w3 _( R* h" F& \2 s0 ocredibility-all
. Y/ ?( m% u8 m5 D3 O, h6 u7 L9 j! z. d;;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
8 j; h: C5 ]3 m* t% ~* W! k8 X: t9 e
;;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" b. b3 c, N: h! w! x) K; m3 ?
credibility-one# N; S+ _# F3 I" i) n, [
;;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$ C2 M z- b1 y5 P$ x# D3 o
global-proportion
' R6 q/ |/ j& b+ G( \' X$ kcustomer
$ @" P0 u& s3 }customer-no+ S7 ?. e3 K! P5 Q- j" O
trust-ok1 s/ g6 _9 v" ^* k
trade-record-one-len;;trade-record-one的长度 Z+ k: k% m+ O; e
]
$ V9 ?4 J: g9 }6 K b* f5 C
8 F! t; p4 r0 T' C/ f;;setup procedure" y }5 ]/ A O3 Z
- K0 \% n9 p N6 m S( P" W7 Yto setup
7 Q4 w2 a' [& V" ~+ v& \( D# Q. A* k8 e
ca
4 A- O& L; n X- [# N
* _5 p c" q: u0 _4 ?initialize-settings7 F" ?# d; P: R( B) z9 l6 N5 S+ g
: y1 }+ r1 ~; O" k' d) K9 gcrt people [setup-turtles]
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6 P" o# F: U3 a d2 c2 s3 G% dreset-timer
: V+ _9 s/ q3 D4 q
/ d: ]5 q+ j! U8 }* Ipoll-class
! D |& r9 g* U0 q2 E" ~. H+ F$ T3 s
setup-plots
+ u O' R) y$ S2 N% j' U8 v$ W7 \2 i) c1 h9 _0 C- D
do-plots
! @0 K4 n, s' ^( V6 V8 |" fend
( L( x4 @ p( i* M" T" i$ w0 [. O) o A$ f" d. l
to initialize-settings+ @7 n9 _+ a; x
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set global-reputation-list []
, p4 r: m) b. Q0 Y! R
p5 W: w. e2 V1 [set credibility-list n-values people [0.5]
! b: \: T6 l' j* S
# H% d& R+ A) p& l9 Sset honest-service 0) C$ j: b: u* V# j/ H" _
5 A) t3 O2 H* m1 Qset unhonest-service 03 ~. p3 i- o& A J3 h* Y! h
5 @6 K% T, ?- g% t* J. u
set oscillation 0
( {9 |* M7 \7 h
; {" ~+ i5 _ S4 g3 Y( @set rand-dynamic 0
$ a, u9 |7 }; M* b. R1 v9 g( ]' i# iend
- \2 |- D$ ^- a+ Z% r @$ X! A& O; \9 A6 h
to setup-turtles ; g+ V! a3 }& W. Q
set shape "person"
; A; B) g4 [% {- ~setxy random-xcor random-ycor- O3 X1 ?2 P8 f3 F
set trade-record-one []) `# y3 f) b, Z* E8 ~0 P
4 s5 p* E, e" q; V V
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 t& |5 w" e7 l" p/ n$ N
, @ Y, \6 k9 L' Aset trade-record-current []
* }) O( H' R% _ E6 Gset credibility-receive []
" o( @( P) r$ N4 {3 Y( h4 C$ Z! dset local-reputation 0.5
" B! D5 b# |* [& Y9 mset neighbor-total 0
$ W, a" n7 u3 T1 @6 t1 M8 lset trade-times-total 01 H+ C6 q& J# I/ `: l9 P
set trade-money-total 0
% k6 p' K* H& L8 f! Wset customer nobody: ~# K4 c& O9 X" o* s
set credibility-all n-values people [creat-credibility]$ v) a( b. e% `, E& F" J
set credibility n-values people [-1]- }) a) J0 Z4 y% Y) v
get-color
# |( _) u% L: K, {0 Y+ Z/ y4 U9 J* ?& z8 C" W1 |) [
end
* E3 f3 {, L5 H
" G8 y! T4 F& s2 Z1 G) N5 d, lto-report creat-credibility4 a& J& p9 M5 d% N) F
report n-values people [0.5]
1 P. ]; O; h7 D2 Q( k ~end
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' T& Z+ r, f4 Q& Q% b& wto setup-plots5 j' y/ T% o$ z
% f, i: e: L- @
set xmax 30
8 a1 b2 u& t0 g& ^6 g7 T; l
) J. f/ c7 F' [( Y2 c% w e7 u- wset ymax 1.0# w+ b0 C7 u# o- a+ `, Q
8 k8 z& t g3 q/ E8 E0 zclear-all-plots
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" X; Q) \0 X3 h+ d; R% p( u% [setup-plot12 l; q( J A+ T" ^; K
9 q7 m1 k% B# B$ ]! ~ k3 X( @
setup-plot2
& o: J/ A5 r( W5 [7 @
, z0 i& Y9 l# R4 G5 J! g1 Tsetup-plot3& q$ B$ Q' S" {1 ]0 {4 O
end
8 i- I: T! l) V3 O- d' a
) ], H0 n4 f2 @* W: q) D;;run time procedures
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! Y9 |6 e. ?" W/ W% q+ Jto go4 G; `# h+ `% ?: G. n1 H
; H* ?4 k1 ^2 N7 Jask turtles [do-business]* D6 J6 U/ L+ D* D S' s& y
end, c4 n! h9 Z" Z
" L" b1 m1 G# y% r
to do-business 7 `0 @3 `* m8 U
- S( X- |1 S* y2 q7 @3 l$ E" }5 i# W# h: [' `7 v4 o
rt random 360
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1 N7 O% \* e: U/ R: Tfd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here* K8 _. m+ [6 u$ A+ p b8 h+ t
( _: `8 ~: M$ I; i, M
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
8 K0 A. `6 U- t+ C[trade-record-all]of self, @ y: w- L8 s, ]: d! ^
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)
k! L! J, E3 B3 c* O[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self4 i$ W# R4 O3 A1 [6 i' l4 ~# {
7 `3 Q, V1 P. H+ l1 h2 u, Uset trade-record-current( list (timer) (random money-upper-limit))
: t2 X% f( g8 m6 L: \/ f8 y
- ?& e% S6 G0 S; l9 f, R. B4 uask self [do-trust], U# V' U% C [: F( ?5 _ @% n% }1 q
;;先求i对j的信任度7 U* [- Z, V5 ?0 `" ?% ]
/ }# R1 U9 c! v: W
if ([trust-ok] of self)' Y% |% O, M3 G; |6 n) G
;;根据i对j的信任度来决定是否与j进行交易[
2 [. ]3 P3 i) F6 y, _0 [( w, M$ pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 w {2 k7 |* e# O( s. J3 o$ y
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[
1 a7 {" R5 J$ t3 j( C4 ]& C% o& R9 w3 f; o# u
do-trade
( f# g7 x" x. h4 X# p/ B2 R m" z' ^1 h N" H8 j# T1 z
update-credibility-ijl( [2 \* ]/ n2 D7 b0 V1 ]. Q
: s; u& _! ?# M5 W) y+ [; Cupdate-credibility-list
' f) Z2 j6 t$ `* _* k. W* u
/ `8 h' H5 P7 y. y
+ e h/ r4 X/ v) F3 t, [' Tupdate-global-reputation-list- W/ G, N5 Q- d [
7 J2 j) @4 z' L- y% S6 F( Vpoll-class" R9 W+ L9 }2 @/ N* d+ I( z
# l) ~7 R" q" ^1 W5 B1 X/ mget-color
$ B% Q2 f# J: S+ X* I! s1 I( s" Z$ I4 N0 B! v' X1 ]/ g
]]
! c, c Y6 e0 H, J2 {* u; N$ V2 L/ S3 I
;;如果所得的信任度满足条件,则进行交易
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+ e; G5 e- V2 Z[* R/ @& [9 c% J( I4 P. F
! X) p* ~/ [% c& q) krt random 360
$ {! E5 S0 w+ [ J U4 }9 F+ U% x7 X5 O& s
fd 1
. \5 C1 g* H! }' h/ q4 g+ D+ E1 c6 L/ @& b
]
+ K6 h2 S# {* {
& F6 Z- I) Z& f: e9 I# oend
n! _' I: [" `
; |: }1 \" A, R0 b/ Mto do-trust
5 s" k1 ^! _7 Zset trust-ok False8 ]4 U" c5 Z) @6 H) V( b. |
j/ N, `9 a( h5 q7 a# K% k/ P
- e; `/ Y* O a3 @3 olet max-trade-times 0- ]& ~/ u' K3 |% h
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; O9 ?! p4 | {% Flet max-trade-money 0! q# P4 J ?) j- P) q' w# R
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
* X; X8 r$ [( { k8 Y4 D. elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% E4 s) r0 G' I% {7 S% d5 D' `! T
( j% d! U R6 c
get-global-proportion
; u* P* m2 e2 S( S- @: e% xlet trust-value m0 g/ W3 _ M0 q/ Y6 R, F
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)
8 r4 n7 Z; r J: O! pif(trust-value > trade-trust-value)
v, `( H. H* Q1 V[set trust-ok true]
8 Z% R! K' u" [0 P( t7 mend
" w6 y o% V& J$ }! F V& C* a' S; R0 D F" m! s
to get-global-proportion0 j" m' z1 ]) ^$ R+ ?5 B
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" M( A8 L: G) y9 K; _* W
[set global-proportion 0]
% `3 i- `: b* u/ f) C# B) [[let i 0! j" o. w5 z6 j" o1 ~, b- [
let sum-money 0# K2 ^5 F* Y7 u t% N, v
while[ i < people]
c# ]0 a' P9 T; n[
7 D9 G2 A, `* Iif( length (item i
0 r' [5 G) s. }, f[trade-record-all] of customer) > 3 )( D- B o/ H& w9 L
[9 b6 J3 F1 [4 b* w% q8 D+ |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% `8 s, ~1 k4 ]3 }
]
4 Z, l! @4 |( M: C& q) }, W]. n' S$ u; X2 z! Y( Q
let j 0% U& S9 Z5 p. {4 V" o9 j
let note 0
3 \4 _3 i1 k2 A5 e9 e' I Q* Qwhile[ j < people]- g9 C1 X1 e. @+ n+ P4 O
[
! N9 T, D4 D6 m2 S0 Fif( length (item i
5 U! _- L, T9 W5 U4 w! D[trade-record-all] of customer) > 3 )
( m9 L+ z% e* H8 V[- N" d; y; d# o: Y0 l5 U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
* E0 F2 I6 T& O) y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 t9 l4 {, D% K[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& @ W& k# A( F. c; \5 D% P, z]
2 e" A" _/ Q: [% N) M( N) P8 J5 @ p]( }, m/ l: q4 G
set global-proportion note
$ K& a4 h8 A, p]
* q- y) b5 y% |! z1 Tend
4 M" c, ]( P S
( ^: n' t) T9 o+ R+ g1 cto do-trade
6 c6 R8 d/ Y& U7 n# A;;这个过程实际上是给双方作出评价的过程
$ w$ {7 i" \% V5 T7 e# n+ [$ Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 W+ k5 v8 z' Z- ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 W# x6 g- o" U; D Pset trade-record-current lput(timer) trade-record-current
8 S( ~0 r) } N4 q, d;;评价时间( u- k7 ^: x* L( A. P
ask myself [
) c1 [. I, z( g6 r/ gupdate-local-reputation9 i- Y5 H2 n/ N& R3 E8 E
set trade-record-current lput([local-reputation] of myself) trade-record-current( N" G6 W4 J; K" q" t6 \6 Y
], T9 w4 f9 ]8 [; h: o/ x
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself9 f+ ?& ?3 V) { _; I6 d2 O. j
;;将此次交易的记录加入到trade-record-one中
) R& g& g! A8 d/ R9 d) rset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% S0 r- ~5 i3 I# B6 i$ Q3 j. [let note (item 2 trade-record-current ), `; j1 W# m' q0 v& p
set trade-record-current+ `7 G& W. p' y ^4 J! p
(replace-item 2 trade-record-current (item 3 trade-record-current))- H- M9 s- z. e, v3 y
set trade-record-current( u, F# { E" O4 Z: t
(replace-item 3 trade-record-current note)
3 f; |. @# V, I. a5 p( z' Z! _
5 u+ @5 t. O4 a
4 X2 |. K$ A$ Aask customer [( R1 J3 ~1 h8 o. C4 o
update-local-reputation) A1 k3 j5 a b& [8 ^2 l
set trade-record-current) I' c/ P( j1 w& Y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- |4 h" t8 i9 y/ k2 g; N$ }4 v]
* r. V. N) u. u2 x% t# ~, W6 Q" L
* u- i4 p; T& @% y# Nset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 M% z5 ~, i1 n. [, A3 V
7 c0 _8 {: D+ C. A+ Y9 P- V, S
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( a( u) b0 O0 O I# k;;将此次交易的记录加入到customer的trade-record-all中
$ T! S/ {- ^' k6 M7 ` [end
/ h3 e. _% [; k% z
7 [+ l: a1 V' H3 u3 \; n' cto update-local-reputation
% {, ?' [, f/ |1 U: _: c4 G. n- qset [trade-record-one-len] of myself length [trade-record-one] of myself
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/ t- W1 l; P. U' M0 d. Y; T- X! X
7 x7 p9 ^+ S& B; B;;if [trade-record-one-len] of myself > 3 * I3 s! }/ i. Z
update-neighbor-total
: ~/ V7 R ?. {( H% n4 ];;更新邻居节点的数目,在此进行9 ~; m, m" O8 s! e' ?1 `% x u
let i 3# s0 x( A0 `& C/ p5 f! Z
let sum-time 0
! [- @9 H" b# u* _7 g I2 A5 ]while[i < [trade-record-one-len] of myself]4 i/ \/ ~# z" R' ~6 z
[4 P% L) r8 |( u0 g+ e. z& ?
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
. _9 N: n+ p0 @8 M& A) S8 vset i
( J( H3 r( b) C( `( i + 1) J% @0 Z |- [, X g
]9 {! @4 p3 N: K! p( H8 m: o( _
let j 39 y; a9 n& L: }" \
let sum-money 0, A0 e$ j$ P+ c8 @' G& |
while[j < [trade-record-one-len] of myself]5 [2 i4 w: [( }
[
( E: h; p; k% }) o$ eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)6 K; \0 D4 K0 e0 c
set j: H% p1 Q2 c5 f: e
( j + 1)
9 q# F/ b" [! r; r' w' k: O]1 Y5 N! r+ X8 r4 j1 G2 k
let k 3+ ], n; U- A# j4 Y
let power 0
5 f5 c* `6 C& P. w* P) j2 |7 qlet local 0: g2 R: g! s% \5 i% U4 T/ D0 d
while [k <[trade-record-one-len] of myself]+ y' C6 `& B" S/ U
[* o- \) W6 G: m; X6 Y; |" C
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) & A9 K1 P- ?0 e7 v
set k (k + 1)& G7 Q3 p% o6 y0 Q" |
]
( A- g- m) A" F$ W: Nset [local-reputation] of myself (local)
$ m ?9 I, r8 e6 {" Q8 nend
1 P3 K6 p& Y0 T" I% x1 ]! b5 @0 N' [4 ^6 \" v
to update-neighbor-total; Z& L5 ^8 I9 j. u Q- o
: v+ W8 X g+ @& C8 F1 c7 W# t9 G6 J
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% z) Z! | T% T' R
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end
, l/ S6 X4 ?) A) j; U9 @
+ F6 t8 L$ e9 K. \to update-credibility-ijl 5 v% l. X1 H7 v1 t* x
5 P7 G# @; u0 D;;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。7 H3 j* v. B, T: w5 }2 ?. ~4 t0 w
let l 0) w- f* i4 e6 m$ }" G9 [ b
while[ l < people ]$ o( ^3 T9 ]: `
;;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8 {* ^7 c) V; `" R
[; G( V3 I5 v/ c2 I; Y, x8 j. x6 p+ F
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 R7 u- n/ Q# v% @% N5 W6 }" T3 vif (trade-record-one-j-l-len > 3)
7 c0 o9 Y1 D/ K0 m6 }/ u& p b[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-one5 l4 W" E! x3 }0 z: m; w. j
let i 3
- g8 @ y1 v* n4 ~3 tlet sum-time 0
4 P6 j6 _3 o" Z* \' D0 Awhile[i < trade-record-one-len]. D9 J. _! f: c6 K; z
[2 R$ b* }! G, x/ |1 s5 g
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" e% a W1 {$ P, e& K/ nset i
8 H& X5 E' M4 B2 T+ e! U8 }$ K( i + 1)/ r) q% a- T7 I" n3 N3 t( i$ N( I( ?
]
* N' W4 T) n& Glet credibility-i-j-l 0$ t; |, r7 r- H' d" X C1 K0 N. j' Z
;;i评价(j对jl的评价) X/ q) B U. k; g0 i7 n+ d1 Y
let j 3
8 S- b5 q) k+ A" glet k 49 s4 n! D1 @+ u8 Y( l# @5 O$ v
while[j < trade-record-one-len]% H- {3 W6 \0 v3 Q4 B+ S6 ?1 W
[2 a6 i. T& @* L
while [((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7 ?$ v* I$ j A- t- H
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)! D3 ?. B) k a+ p8 f9 O) s8 k- s" X
set j
0 b" m B" l. q, N9 u. u( j + 1)
& h( x, L" L( e$ t0 V]
' g' p5 B# u/ G4 `/ q% e' L7 kset [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 f3 K2 D: o0 A- m5 S
# e) Q& {9 l( v6 L* Z+ G5 `, w- W% s
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
s( \4 F' a |2 m; `;;及时更新i对l的评价质量的评价7 n/ O7 b8 ` _3 j' a
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 ]. { s+ I, s% m% k
set l (l + 1)/ `, o a! l+ K
]; t! x( j. s& L5 X- v' x, e9 a
end
. a, X* |& f$ r+ p2 G0 C0 Z1 U% n8 t, T5 r7 @' h6 z
to update-credibility-list2 U9 C" Q& {1 E& m* E
let i 0
3 |& S3 e2 S) i6 v( }while[i < people]
$ @/ g# e" f, _[# b7 C1 C: o6 {. S+ J
let j 06 P3 e& n* r$ C5 L" u& W
let note 01 z5 v8 W% e$ I! Q* {% M
let k 0
0 T& c& @ g" g+ l* C+ Z;;计作出过评价的邻居节点的数目
3 n% K: H7 S: v5 C6 qwhile[j < people]! @" t* \% O @9 Q' r5 x9 u
[8 x( \3 d+ c: w" ^, c$ [: r7 n" H
if (item j( [credibility] of turtle (i + 1)) != -1)" K# c" ~3 a1 z( g
;;判断是否给本turtle的评价质量做出过评价的节点$ l- W6 R: ^9 E8 [- p. {
[set note (note + item j ([credibility]of turtle (i + 1)))* A6 A: {6 b7 J
;;*(exp (-(people - 2)))/(people - 2))]3 l3 ]7 { m6 n6 y; u
set k (k + 1)
! Z+ j O2 `6 e9 ^6 w) G1 P. T1 P]
- E4 u9 X* ~4 n& E) T, zset j (j + 1). G' l3 [0 s- b9 x! V$ F, _& Q1 }/ v
], _5 B u3 m0 N' _# V5 p
set note (note *(exp (- (1 / k)))/ k)! Q- E' V' k6 Y# m6 t; N8 M
set credibility-list (replace-item i credibility-list note)
" Q; F$ T& s* X+ D/ Sset i (i + 1) E% w& M& A! q0 y" U
]/ d$ y: \4 K6 v) J: o7 p9 P+ p
end
, b9 O1 z2 _6 i2 s$ H) I- ^) w3 y; Y
to update-global-reputation-list
$ d4 A2 b! s8 m7 }let j 0
1 D8 j- Y5 D3 z% o3 qwhile[j < people], n8 x3 l/ I' `
[
* Y8 |) N' ?+ \9 T y$ klet new 02 m& C" _$ M) k) v; F4 K9 I- h
;;暂存新的一个全局声誉
* A o6 ?( s L5 D3 Mlet i 0
0 F7 o$ r7 k! v$ x* Ulet sum-money 05 x/ g0 J/ S7 M* Q; n
let credibility-money 07 Q5 y/ Z, A# x: z( H
while [i < people] b6 x+ o# d5 d: {+ \
[( R- R+ C! {) ]6 T0 `" h7 X
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
2 v& g$ _1 L) xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! c6 Q$ b- Z; q2 G4 L! rset i (i + 1)
& D ]9 H3 F/ b2 T]* Q4 O! J2 @" `7 v5 H$ m
let k 03 g% \. @5 R! R/ `0 Z% n4 D
let new1 0
, G5 v/ z# A) Q. P9 p$ I3 |while [k < people]5 u; w, ^+ X7 w" Q9 Q
[2 t* T: n4 J8 Q F* P
set 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)
) W9 _# J+ a- v1 f" b& Eset k (k + 1)% ?3 k4 w1 L, p0 a5 b: q7 z- ?2 v
]1 @% s/ U0 b2 d" P; k! q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' e' L% U0 O4 s5 G" jset global-reputation-list (replace-item j global-reputation-list new)
9 B3 z: p2 j, ~2 R1 m& s' ]* oset j (j + 1). E7 w0 H3 q* z0 a$ M" g
]( ~3 f% L2 H2 c) c
end
- V4 E+ i, E' ~) R& `4 d' \. E7 v6 N& _3 K# ]8 ^7 Q2 q9 o
' |$ h _/ X) t* n$ T& b, l% h
* w- S4 e1 g& E) ]3 ^
to get-color
9 [9 i8 l& p& @5 z. S# j% i$ }9 A( h7 S6 h" \3 v
set color blue3 z" q/ t% L8 W$ P# S0 {
end4 ?; E1 V& b9 r6 F8 \
+ J0 R1 J1 e) @+ q4 B
to poll-class
$ _8 l3 O9 |4 b) `end
% y% k2 T9 C7 P- r2 M1 h9 K! X( f
to setup-plot14 ~! v- R/ c+ Z- Y4 e
" |; T& A, W4 Q% eset-current-plot "Trends-of-Local-reputation"+ z7 v' Q( `# |" p8 X8 p
8 Z/ X0 `7 u# x* p/ J
set-plot-x-range 0 xmax
6 K# \# ~8 j4 C8 f
; s9 R% N' r0 ^2 ]set-plot-y-range 0.0 ymax
% V. ?* Y; B! c: I' D9 Uend
; |. K# {9 i+ x2 b2 s
% T1 d2 ?/ [6 B9 @! M' T; dto setup-plot2
+ ?) \, Y5 E- l& Y4 a9 f0 y R0 I: |4 {" ]& c, V7 h0 s. t/ v
set-current-plot "Trends-of-global-reputation"2 {- A3 q, X0 a6 c+ q
/ y# Y2 y1 z! L: b# Qset-plot-x-range 0 xmax: D# j- p/ M' Z% v9 ]7 A) f
0 M6 B/ d; o% t4 h: t+ t4 iset-plot-y-range 0.0 ymax
, v |1 b0 ^5 }+ _: T3 lend
% q/ Q' U* q' o. S W, v, v2 h8 v6 D1 `: A6 ~3 |1 o
to setup-plot3
1 n" p* a5 J8 q A/ Z4 s$ `$ r& w% C- j3 ^. l3 e( M: K2 s
set-current-plot "Trends-of-credibility"$ a! ~* Q$ c8 h# F! v
8 a- q6 T9 k2 h: U) e
set-plot-x-range 0 xmax
, }" s) J2 r3 t# d: O% L6 G' s6 x1 h7 l; q9 }) N9 ^7 H8 }
set-plot-y-range 0.0 ymax
; e0 u: k X; @+ Send
' J1 I3 G/ |1 g5 F/ Y% j* P, R' [+ P* ?0 K9 b* u
to do-plots! ~& \9 ` h8 ~6 T
set-current-plot "Trends-of-Local-reputation"
- X N6 } h. G# Y0 e/ Mset-current-plot-pen "Honest service". U, i7 t& E s9 y+ h
end( e0 n; ?) c/ S8 k9 f7 r
% g& @( T! {; b2 l) y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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