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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, Z4 a2 C1 t0 u8 T7 E t
globals[& `) G8 g8 o* p. o, E( H3 `. w: R+ F
xmax
9 Q; k4 v+ t/ \5 u" |2 h( {9 kymax5 |" t' H! E9 J, Q5 a8 t3 A
global-reputation-list8 o! F+ Y2 d c
5 }0 z5 A( V! w. F1 Z/ q;;每一个turtle的全局声誉都存在此LIST中
3 `7 q5 e+ g& C' ?. w3 Jcredibility-list
2 k! m2 l0 ?& d- s1 z/ S7 b;;每一个turtle的评价可信度9 \+ ~: H- f/ A' p. i; { r
honest-service
' U: y- N0 l- B) Q4 ^unhonest-service9 c- n. q9 @; q1 D) w5 M
oscillation
( c( Z3 _8 q5 R! Nrand-dynamic
! A, a" h4 u- b+ W2 U9 O8 U! I6 ]]
- M' v. U! n# y& p; ?+ Q$ `
( b! \' E3 v* q; aturtles-own[- [% d0 n6 e, w; E- U! N
trade-record-all
2 ^ Q5 V" N4 P2 q! ]% A9 \;;a list of lists,由trade-record-one组成
+ E) f7 f: }4 F( U9 D+ m# Etrade-record-one7 c; O8 ?8 V0 A1 e- B5 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
8 o5 D! q$ ?! y6 b2 w
+ K8 {4 K4 t: E! C7 ?! c;;[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]]! i6 P* U k, z) y% H
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]
n: d/ ?6 I( d- }8 ^credibility-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
d; h. m( w+ P7 x0 S- gneighbor-total3 d% w2 a: K+ P6 v$ j
;;记录该turtle的邻居节点的数目
9 u' p8 F+ g4 Ytrade-time" ]1 M9 B, `7 q: t3 z4 R
;;当前发生交易的turtle的交易时间
; b. |4 a9 M$ j1 _0 ^appraise-give; s C0 l0 b" l
;;当前发生交易时给出的评价
8 a" o( |/ }6 p6 ?( y5 r6 L9 oappraise-receive
3 L) G) f$ L1 T$ }0 u" J;;当前发生交易时收到的评价
& `% z# a' t$ L6 L$ J, bappraise-time
6 u+ R( `' e. j+ Z/ m, l* L' Y;;当前发生交易时的评价时间# }! Q% x/ g# R; H$ {+ ~5 s
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 T% |* r4 [9 z S& A
trade-times-total
, ]- O8 ]4 S) W;;与当前turtle的交易总次数
" Q: {/ Y% X$ B" @trade-money-total
6 w* @& S0 \* ~* B* Z( O- v8 K, f6 V;;与当前turtle的交易总金额
/ e) o$ h+ e# r# L' Llocal-reputation
6 M5 e( U) J: cglobal-reputation
J- l' s, V/ ~7 u/ Fcredibility
4 j p8 \! ^1 t+ f+ y;;评价可信度,每次交易后都需要更新
7 Q/ L- ~; ^0 j9 z4 X0 c% G5 Zcredibility-all
; r5 q% [3 z8 A0 J1 Z;;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 L- P0 Z! k0 p# g
. l% I, t" f2 h0 F+ 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& U m y* r6 d- F$ P z4 K8 D
credibility-one) d/ I2 r1 r( w8 t0 I- R' o) W1 R4 }9 A
;;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 A) \( i$ S v
global-proportion
x- r8 \$ }. Z: scustomer1 R3 j- b0 l' e$ P
customer-no
( s# J: e+ n2 P2 O9 ltrust-ok
0 I7 ]) i2 U- i# Btrade-record-one-len;;trade-record-one的长度3 a8 J& S5 E$ H* m; ~+ B2 T5 \- a
]! _/ X9 x, U! W" x
8 D- {9 W$ H8 l$ k0 G
;;setup procedure3 W2 l$ z1 s9 I3 H6 x1 Z
( K* W) s# Y' Q4 D+ k$ @
to setup
7 n% b% }) }$ b# |/ F, l0 _% J& k6 D& i: F. I8 ~5 j, [% \
ca
: ^( Y% ?. D: Q
/ ~9 o* K, _% O9 E5 E) r- P' Qinitialize-settings
( Z& `% c! X Y4 F+ c! c
0 q" e2 t% V# P, E$ q' Icrt people [setup-turtles]- T% g# O& r. w5 X: T: d6 {2 L
! m- y% x+ P7 j; {) Q+ u5 V7 Lreset-timer+ `7 s! w+ {9 @2 [) b
" x" ~1 T) M2 w: B8 x! }8 }+ i
poll-class- Y4 N) Y# ~1 O% q7 G0 m- E
& ^. V( {# m) I8 ]
setup-plots# P/ |* }# W" d( S% X# d3 v
1 a5 ~% s, M# D" Q5 \do-plots
/ O# @, X( C7 F6 Vend
0 G8 ~1 A% }3 B8 f# M, K3 X1 V
' Y- B/ o+ J0 j) s) b# Y [to initialize-settings' [! Q+ ?/ `, E0 E
2 N. A1 f5 F( \" u8 vset global-reputation-list []6 A+ h5 f. q1 h# `# i- N3 w$ ]2 s
# t4 R# O) v/ z$ H7 _
set credibility-list n-values people [0.5]
! \# B5 w" g7 r9 L$ O* m
$ ~8 b* h$ d6 f2 T$ F% f* kset honest-service 0
5 r' l: G# v& O. g. u- m. a: Y: c* t. Y
set unhonest-service 0$ L. g4 ?) o8 {' x8 K, o9 A
5 ~, T1 n6 B8 J8 hset oscillation 0+ F: W5 }+ U/ W6 w k& }, t0 N
+ |9 r, x& E0 y
set rand-dynamic 0
# {# Y, l; L9 X8 m: i" l' Xend
9 O* D' T& @3 H5 x4 F7 w$ y# ~# P1 H" z/ y7 @
to setup-turtles
, S% @$ _7 j9 {" \( `& G1 J! k* vset shape "person"
# l+ S6 _$ j1 b& c6 usetxy random-xcor random-ycor2 P& j5 {$ B8 ^/ |" Z0 @( K
set trade-record-one []( c. W9 [3 D. k
) d6 L$ E% A' |& g4 r) }+ x$ Uset trade-record-all n-values people [(list (? + 1) 0 0)]
+ O! z0 E% G u- ]" D/ q# p" [/ @( S+ M/ p
set trade-record-current []
5 F( d! Q. {( ?' V4 u& e' Gset credibility-receive []
: B: I2 v( r7 r' ]$ rset local-reputation 0.56 F# h$ T+ X* O4 _( T
set neighbor-total 04 X- x4 O/ E3 ?' C
set trade-times-total 0
8 S6 r/ ?% y& i- P& zset trade-money-total 0+ t9 P! w N5 D! [9 M
set customer nobody0 a4 W4 p" i' L4 N4 m2 ^
set credibility-all n-values people [creat-credibility]8 ?/ ~$ X' m* `8 t8 G" Y, M
set credibility n-values people [-1]
, E7 ]% I' a9 Q3 F, I3 n' Iget-color# `) L* a" c" Q* w6 q4 _
* e0 e6 v) w5 b' I pend
: V7 q4 v7 L, Z, G b2 J5 S/ q* @+ c
to-report creat-credibility
, y# C* I7 k9 _! Treport n-values people [0.5]
: E' N7 x& K, Vend
* x. j- `" w& _8 B$ d. z1 F+ @, { ?6 K/ M: I
to setup-plots) c. K# }0 \3 Q9 e( b6 R- I# a
, ]8 K& B4 d5 }) A' I$ p2 u( lset xmax 30
: i% O: s& E% f4 `1 M
8 D" h2 e2 J& |5 J; d p- tset ymax 1.07 n) T8 j. R& s! o" G3 l
, R- j# q1 D% w* O% {
clear-all-plots
. D+ ]5 }3 Y/ o* x" i8 U3 T( b0 e- _& m8 p' ?$ Z
setup-plot13 C7 T; K3 @, {$ D
9 V4 ?0 G$ Q- }1 u/ K W! }
setup-plot2% n- q5 W5 b! C; Q. o( y7 A ?) m
V) B6 r# B/ t# |1 c- W. A' Hsetup-plot3% X! V- n1 W, W0 P
end
5 `" X7 u/ _& q, V' q% B; |, Q# y
e% L, ^' ~6 H1 u) ?9 I;;run time procedures
# k. a+ l( B1 y5 L2 H9 P( p6 I2 I
$ }9 H, R+ m3 `- t/ z7 s* Y' qto go
9 H2 W) G/ C! }. E
* T2 q8 t$ P; vask turtles [do-business]
w0 M& h, i# N, r$ k0 `/ Zend* b- P1 ]- W5 a# X7 b0 ~$ y5 }
8 n- L4 y( s# d# ]( q0 |. jto do-business
+ O& `7 t' a: C) l; [ `1 L5 U9 T( _* K4 w
" g0 ^9 r) u r9 p. M) drt random 360
9 z* b" y0 }+ v: b2 \# @6 T/ s* i! m) T, l4 S9 x0 {% D$ x! D
fd 19 T! r, e" p, y. r
) b/ ~0 o6 b+ aifelse(other turtles-here != nobody)[* L+ J$ Z9 [/ _9 z7 g& ~4 `- P6 c
. f& n6 X# `2 w$ [set customer one-of other turtles-here9 x% U4 Q) m5 R1 c; u: U* i
6 c$ _" R' s8 J$ B o, R% ~/ S% L;; set [customer] of customer myself5 U9 _! T# P( I Z1 b$ z
) W* [+ y- b: e: N) e+ J
set [trade-record-one] of self item (([who] of customer) - 1)
: \* n c& x* {& v% V[trade-record-all]of self
3 G- {' A) D; r- B% Z9 C2 H+ J;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- A$ v2 m5 O3 m
! c. G3 ~/ u3 U9 I' rset [trade-record-one] of customer item (([who] of self) - 1)
# Q7 Y6 M2 E. L8 i[trade-record-all]of customer4 N4 j* S' J3 g
% k L- b' |6 N) L9 R- I2 p
set [trade-record-one-len] of self length [trade-record-one] of self5 X# d! I: o0 X, B
( F) h8 s Z' ]
set trade-record-current( list (timer) (random money-upper-limit))
) z$ u) [3 d/ ?: x: |9 i8 R
9 x; L5 z T+ b G Zask self [do-trust]% c4 o1 u+ D' d& h3 M+ S d3 G1 k
;;先求i对j的信任度
% K$ m# J1 x% [9 C% T& {: I q
8 z5 \' W$ k" ?5 e9 @- Aif ([trust-ok] of self)
5 o" n' i# T- c;;根据i对j的信任度来决定是否与j进行交易[
8 `7 {' W. S6 H1 j3 K0 w; ?9 b1 Task customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
! G3 `, m$ } o6 q1 E5 Y
9 } d( ?: l" w. ~8 @[
! L% Z, M6 O9 h* w4 O: u9 x
) n: K' g L6 kdo-trade% f0 h& _ Q- x+ B' s$ R
: X1 I5 F+ U G. N5 O. n
update-credibility-ijl: @+ g U0 U: p( v
1 ?$ q: K% ^' F; [4 x7 z
update-credibility-list
, F% d3 D# f6 G! L& f' U. P" i. J) A& w) e( W% a( B7 U
% n5 J: m" G4 ~) T
update-global-reputation-list
+ i2 v# [( K# ^6 a. p9 s, W7 Z7 H3 v, X! d# q+ d' u) ?
poll-class' U* }/ j8 ^2 F6 ~' |
) H _8 J( _. R
get-color6 h6 L, m7 i' W" A! z
7 M6 O& h2 A6 b1 \$ T, W* m" B
]]/ I: b. z0 N* P0 s$ J) i& W
! y3 x- z( j+ z. X9 k
;;如果所得的信任度满足条件,则进行交易7 b2 V8 J) W1 j0 G1 H6 ?2 [
5 {; F* L( o8 a: a R7 }
[
, {) o( E% O- H* S4 k& t! ]) X8 Q ?$ r' ]* a5 e3 v
rt random 360- C5 Z" _/ J% z% G, m* N7 [
: f s% ^9 h3 e$ Kfd 1, V& W9 `) M8 D+ U# d8 o4 c
. @9 b: X8 M/ v7 j% |1 e' l
]
5 @' S; E. L, [6 d2 }0 v$ f
. \2 G+ V2 n- @6 @3 B( bend
* `2 J. q( C/ f
1 z0 l0 \8 A# X& E. F, Pto do-trust
, L+ u7 \$ O2 a, F- ~! Sset trust-ok False2 }2 k6 k ?( j- @9 u" a8 B. x
( z& l8 x0 m& V2 w5 e+ G$ e
~' a$ z# ]/ R elet max-trade-times 0" b. z. i$ ~( l! y9 Q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) S) k; q' W6 G: x: E% k- [
let max-trade-money 0$ Q/ B; c' a1 C/ V, g2 p. f$ D; e
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( z. f$ D0 b( _+ ^/ r
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ n0 A6 l9 J; Z8 Q3 @: B0 l; p( J6 H, R
* t# C0 ^0 ^8 h( J; B' ?# s, y, qget-global-proportion0 C2 A [ T5 R) }
let trust-value
* h; I' e$ d& plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
5 S0 c' U: H1 e7 ^, hif(trust-value > trade-trust-value)
% K) _/ I2 o$ i( V3 P[set trust-ok true]& f+ e7 O: i1 {* z/ M
end( }4 K) @: [" w" d
$ W/ u; U9 p; _1 Q7 \! W: r( cto get-global-proportion
$ T; W2 w- e t7 A! v; s( L4 v) mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& M9 t' c, n ]9 d
[set global-proportion 0]
|1 D) w! ?/ \: G7 K[let i 0
7 g% R. r, Z2 L& a$ jlet sum-money 0
' N' \3 D* Z$ h9 ?. a+ jwhile[ i < people]
4 r! U5 w/ k- {( q( X[* }& u# @" C6 @0 f7 g' y* G* H
if( length (item i: I4 R( x3 s0 G
[trade-record-all] of customer) > 3 )
0 e/ C; G1 ]1 E1 W/ J( y6 l[3 N! H2 ~* }8 W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ h3 o, Q4 N& q0 C
]
& s3 ?) c4 s& Z' K& i' `5 F]6 f4 H4 H4 z( t# T. a N! L/ v
let j 0
- K: c- ^( i# \let note 0
$ x9 x7 |9 ]# k$ A5 G0 v6 fwhile[ j < people]
% G: t6 P9 q G3 t& t2 ?[
* L( k$ ^- @6 y- s( nif( length (item i
& P: z; v) T; P- X2 r. V" d ~0 _) n[trade-record-all] of customer) > 3 )- y4 V; N! \# R5 i$ G/ T5 U' g
[7 _) ^9 w1 | S2 ]4 y/ l
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1) Z* l( G7 _( p4 ~, h: p' z- ]
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
" b% Z" w, B- V[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. B+ l7 A& E& P4 Y3 u6 p& r3 g% T1 |
]
# M+ Z/ g# K3 q8 c4 L3 T# G+ ^]
* S# c$ O! F* t& bset global-proportion note3 d+ ?6 f) n5 a: n# x
]
2 u" v* [+ G+ Nend
- R2 U6 p2 i0 K0 a( u& v, O# p) b/ K. i# L: n+ u0 q
to do-trade
0 g2 [, F2 ~$ b& M6 l; u8 U, b;;这个过程实际上是给双方作出评价的过程4 B. ^7 m3 v* |7 i" L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 h- d3 `3 {2 u0 i' o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' n7 S [8 @* H2 u; aset trade-record-current lput(timer) trade-record-current
, c8 b* p7 @; \5 r. h;;评价时间
4 `3 [7 T( x [" N5 X: M9 u0 w! Aask myself [# z4 |5 f6 @+ \, h5 d7 o
update-local-reputation
2 c8 j1 y6 h+ _ G5 @- f3 D$ e& vset trade-record-current lput([local-reputation] of myself) trade-record-current
2 a5 ~7 k( O; l( T6 B# r' t! k& m5 R]% j4 x% V/ ?5 _" M
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# l. Q/ D, B, M* G3 _0 q
;;将此次交易的记录加入到trade-record-one中) x( w" q* U- x/ i; W' N
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, e; S1 ~: I4 u" z0 M; Q8 Plet note (item 2 trade-record-current )
/ L7 j9 P+ L( q" a- jset trade-record-current
9 _4 w" g5 g' U(replace-item 2 trade-record-current (item 3 trade-record-current))
+ w: B" x$ e* m3 pset trade-record-current) R. `& @1 \( }7 Z
(replace-item 3 trade-record-current note)
0 N" o4 Y- @- N0 P* m* Z) c
) j/ G' M7 G: A! t' b
5 Q, `7 U% {& ]1 ~! fask customer [
) U6 p4 K8 p5 X9 }update-local-reputation
2 }" A! P! W/ s, q* k; qset trade-record-current
8 Y2 Y2 a' s: _' f(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 s' c1 h' p) \- M]& L$ d2 [- G a* M' e
- V9 ^& X. |. v$ s+ ~
+ o1 Y; ?+ M* \2 |. V9 X5 O) V
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
, ~! [" Y# A8 [; a
2 U3 T0 ^ k5 z* D8 sset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ T0 T$ N. O' ~6 `2 H7 O1 T4 N0 ]
;;将此次交易的记录加入到customer的trade-record-all中6 v; P) `! g. H1 ~
end
- w8 {! s6 p) ^5 h* p- p1 F) ^0 R/ \# E3 c
to update-local-reputation
1 a0 t- }% P* ?6 }; jset [trade-record-one-len] of myself length [trade-record-one] of myself/ c1 O/ M2 z6 j* }: v7 w. G
. r+ V7 S; _- Z. c
( _6 \: g9 k9 J2 L3 h8 c9 c;;if [trade-record-one-len] of myself > 3
+ h% O2 a8 ?! y( [6 r. Yupdate-neighbor-total
# x' y, T( ^* b- s;;更新邻居节点的数目,在此进行
) ~/ h$ z) Q* hlet i 38 `3 h$ l* i! d
let sum-time 0' K) N9 X1 G7 w) o2 J
while[i < [trade-record-one-len] of myself]
& |; b6 ~. J; A$ P2 a7 U' p[3 P# M) p, K* @+ N3 G
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )+ ~; f$ B0 g, p' U% r2 r
set i
/ M. P8 w% k( u& V5 h8 a; _* i5 h; i# N( i + 1)
& @, |3 m3 A6 b8 S+ y]
; @: z. w9 P7 ~. b5 a3 Clet j 3
3 e( \ J H- W: p! ?! _: zlet sum-money 0
8 B- p# N2 t& Q2 m' ] V" S3 m, ^0 Gwhile[j < [trade-record-one-len] of myself]
9 ?5 f7 n6 O, c7 z& c* J[
" k; w5 B; Q, C' Sset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)0 O$ p& t; P6 x& E% Z4 g9 n7 B
set j9 H9 }$ k2 j' Z
( j + 1). q) g+ b, D# D/ R; Q6 N
]
- G1 e+ a% ~: H u& Jlet k 3 ]' b, I' n9 Z5 |
let power 0' y3 V- s+ [7 a( u! ~5 P
let local 0
- \6 _' y: M" Twhile [k <[trade-record-one-len] of myself]8 k/ @/ ~) A' {- m, T$ ~
[
9 ]4 q- u# G, U8 O3 [. Uset 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)
, P. c, [) K0 o! t% N: f8 Sset k (k + 1)
) `. W- ~4 T8 S( P: q, G. @0 `( v]9 [ s9 s2 {. C1 Q, c" s
set [local-reputation] of myself (local)
+ K3 t# m1 N; Dend
h5 ]8 y+ b4 K, \
- L7 u" _0 I' ]. b3 z0 E( ito update-neighbor-total
9 K ^+ y; \' a) P0 H
( s; g" ?$ f0 O/ W4 Dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
y' m6 V$ x) I: e1 R, y# d! Q) g V* j9 q
% G; ]+ U, q, L1 vend
+ r) J3 g8 M h2 b) I$ V" J( u9 N7 T
to update-credibility-ijl $ {! j' G9 L- [2 J" c6 v3 [
/ `; D2 g4 S" @; A; [. w;;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。
. n9 z0 k' ?8 `# glet l 0/ {" |) {" c4 v2 }, m
while[ l < people ]
1 `' ?1 L$ i6 k;;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# S$ l" P2 E' ~6 {3 e) G& c
[
- i5 z( F' I ~+ `- jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: {" t( o# [6 A( f6 j" x# n+ Dif (trade-record-one-j-l-len > 3): {8 L. m; y" |# f
[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
" W& m8 z9 v& {/ b* h+ ^2 ?6 O: }) a$ alet i 3
- \! ?& k; d. {: g7 jlet sum-time 0. `% b. X5 x- P% w2 S" q
while[i < trade-record-one-len]
+ M! E4 u9 j5 q; Z2 s/ L0 b4 _[
% `) \% E2 E9 tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); F/ {7 c, D" x, F" N7 L* i
set i4 T$ p( Q) Z, n9 e; e& T7 _# }, f0 e
( i + 1)
% W* c# I7 m) B. a7 y+ _3 }]
( b8 F9 g# Z+ A8 Wlet credibility-i-j-l 0
; [% c3 f. e* o7 P( H;;i评价(j对jl的评价)
+ g+ M. Y$ e7 \let j 3# j! `* z4 E- O o5 P
let k 4
- R0 q+ P" J# i5 v. u+ h5 `while[j < trade-record-one-len]
. C7 K/ a! {, J: {[
4 T( E: [9 @, {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3 t0 j) p& r: l! T4 k$ l9 {
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)
4 z" A- |2 T9 @' S+ {set j; t" }5 U, p! J) v* f& M$ ]
( j + 1): H! E( X; i& q" I
]
5 N0 w2 [6 A0 O& z. i5 J+ D7 L2 mset [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 ))
, t6 X2 @: I3 M5 |7 Q9 }% H
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 @. K" M: _/ G0 f; u0 V5 Q; C
;;及时更新i对l的评价质量的评价
6 e& `* `- r" W) q" `5 pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) K5 a9 v0 R$ Z
set l (l + 1)
2 ]* h T0 X O6 U8 i9 N) l]
; g6 }, e/ p" ^5 j5 I) Z. Bend @+ a& A2 J. B3 G1 G; s" X
9 e, G0 k- @/ F" g* k' ~/ c9 i
to update-credibility-list
" J( [' w& P/ D3 X, H# R0 plet i 0" X" J2 G- n; R- Q/ _" W' D4 ]
while[i < people]7 d8 q- ] I. ~" C( J7 P
[
' k% \7 [8 ?! y' v. @let j 0
6 x- b0 J! B# x4 L# `/ hlet note 0' t1 k0 l' F& z, V4 O! `
let k 03 D$ t% @+ A) B2 t/ }8 _7 p
;;计作出过评价的邻居节点的数目6 B9 L: ^5 ~6 T* U
while[j < people]
. o4 S, R _4 G5 S; s5 N[" Z6 _# R; A w/ p, R. @
if (item j( [credibility] of turtle (i + 1)) != -1)1 {/ z6 c$ F" h$ J6 [: b' f
;;判断是否给本turtle的评价质量做出过评价的节点
: m, `' t8 K8 l- G8 l$ z* C[set note (note + item j ([credibility]of turtle (i + 1)))5 I7 w* y/ ~1 h1 T Y& L# {" |
;;*(exp (-(people - 2)))/(people - 2))]. P% I& k7 m; s' ^- M
set k (k + 1)5 @: U6 f7 I% n
]
: q) E! z- P4 b9 N! L0 Oset j (j + 1), Y4 m* O" H6 X5 l0 E9 _$ q
]" a( q; `5 e9 s- D% l' }7 ]
set note (note *(exp (- (1 / k)))/ k)
9 L6 d8 U% \- \: l5 h3 e4 @7 Iset credibility-list (replace-item i credibility-list note)
- b& j" f6 @) h( ^. uset i (i + 1)& `, Y1 y/ ?: J' ~1 y0 ^, q* g
]1 J1 p2 z8 c) @3 K5 l) F3 j) u' s
end" c, }% D3 e0 h+ }. b- f
2 c' b1 o/ F* p7 J8 Y- Sto update-global-reputation-list
2 }' M8 G. K0 olet j 03 E! m& i0 B: |) ?
while[j < people]
Q$ J; r' K; @2 S[' d( A) i- W4 H
let new 0
' I. n; W* ~1 S/ |;;暂存新的一个全局声誉+ u$ x# G. Q1 A2 N- K6 l& d
let i 0
' V9 s" w2 ~+ m! o9 H+ Xlet sum-money 0
# k$ e& K) s1 C; ]let credibility-money 0
) [" F! h! b1 E, {while [i < people], s8 |& F2 R" P# Z/ H
[0 o/ D6 r: G, c
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& R. N; C! O$ }set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. ]# U$ ^7 q( @3 {8 `. Z- W) _set i (i + 1)$ k; r0 _! H2 n% u5 a# \3 c
]/ C8 R) L4 q& p S$ x
let k 0
1 W% H' M V9 U: ulet new1 0
3 u% b. @3 @! V# i3 Y2 Dwhile [k < people]- G; V" K) S5 T5 f3 | N0 @
[
! Z) Q O2 W4 k" `3 ~0 ^( Yset 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)
8 j) E& a/ S% j1 X% D6 \ \- m4 zset k (k + 1) e6 o; c% E) w2 a( `
]
4 _! W% _# u pset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 m. t1 E+ ]- b0 w' c, b
set global-reputation-list (replace-item j global-reputation-list new)" d7 o7 l1 S5 b. J# F V
set j (j + 1)
+ L( W; H' D+ R]3 T! e0 v; Z6 t" l5 r( L
end
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- W5 b$ I4 F* U, \) [
- y) r- s4 H# Y. s/ X0 n% d3 J5 C1 _5 k6 r3 H; R4 y: y6 L+ y
to get-color
0 s# y5 t$ S7 Q/ l' s% z% }
! i- v- W$ Z# [6 W+ q! u# t2 Zset color blue
9 P" k1 |7 v/ P; S V' dend m* G/ I9 J4 B5 m2 ^( ~
& ~- q- D9 k6 b: ^: tto poll-class
; Z' [$ I, K9 M& j/ R* l7 R7 iend, e# d, U- \( \7 m! N2 O4 c
4 n2 X# a4 u$ r! r& o4 o
to setup-plot1) B% U0 l; B( C$ w# D. ?
8 P! X- g: w9 X9 `' W, v
set-current-plot "Trends-of-Local-reputation") G! `8 q: P3 n" ?
! m0 Q5 [. k6 b" |0 T" p
set-plot-x-range 0 xmax
* a" Z" C7 @* }1 T" Z9 z
- o# @% D( x3 E _set-plot-y-range 0.0 ymax0 q! @( T* Z' |
end6 s5 g" A% [8 Y# _- i
k. ~1 _5 C2 M. p( o9 ato setup-plot2
$ I) O3 L* X7 l3 C( \. j* A
& D5 g. N7 D! ]* b/ yset-current-plot "Trends-of-global-reputation"
% ~- q' I4 ^! \. w5 A. o% a+ Z. V& O7 J4 Q; Z7 @/ e& a5 Y' D; k$ |
set-plot-x-range 0 xmax8 A9 w& q8 ^9 ]
! _$ b% m2 q, f& Uset-plot-y-range 0.0 ymax
8 W3 i9 e: C6 k/ Mend
* D" Q. m5 x# K) @4 T: Y8 f' _" K
. |. M$ S" R7 t$ F, ito setup-plot31 t) R2 ?. B4 T8 j
: e- w3 ~. \6 M2 q5 Sset-current-plot "Trends-of-credibility"
1 p" D" U" R6 \- @+ S& {% m2 s
$ h2 e, D* m1 b: xset-plot-x-range 0 xmax
& Q# K% F+ Z O, O. R- R: L
2 H! {# L% A% aset-plot-y-range 0.0 ymax( k# [8 x: u2 d/ ^; y5 Z2 w
end
! j' e3 h* B9 c7 u/ K% |9 ^% y# l8 k. u# l) A* \; Z
to do-plots
8 ~1 _( Q1 k$ ^3 Sset-current-plot "Trends-of-Local-reputation"3 [: j8 j% [8 B8 {: M) j* J- f! b
set-current-plot-pen "Honest service"
) H* U% t3 }( {$ N* A3 F% | wend
9 g- ^9 ^* t, O: j
& `" v- {8 O9 q1 [7 n( }[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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