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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, t$ m9 D0 D f% A( q
globals[
8 | u" z9 _8 i- Z5 Exmax7 l4 a' q) @' T4 M
ymax" N2 m# f# t! Q% ]7 ~# M) ~- d9 `
global-reputation-list: E3 x8 P- z s% |, K2 i
3 }4 [ G. s$ r$ Z+ u
;;每一个turtle的全局声誉都存在此LIST中9 D6 ?- I7 v4 B3 Z- }$ {9 W
credibility-list' q7 H" P( g' E1 o( r: j& g
;;每一个turtle的评价可信度
) p3 a7 c; Q/ G! t& l2 n: e4 zhonest-service
0 J/ N! T0 \/ E$ k: G8 K; V% Cunhonest-service
( d5 |- ]& ?9 j, l9 \6 {oscillation7 \4 v& C3 t) s- J# \6 [! I
rand-dynamic
. h. X$ B! U( V! B]7 e# U; a$ [* \- d" Y6 V
, S% o" |+ w" W2 ]
turtles-own[
$ b8 ^3 n; v _& @& g$ { n1 N/ [trade-record-all
+ E9 H8 Q/ g+ u P5 T;;a list of lists,由trade-record-one组成
( N) z$ I) I9 ^7 vtrade-record-one
/ }' O* E" Z7 J; ]4 T;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 _( t. @9 [1 I, s7 U5 s- o. \$ R
5 [( b- H" K/ _ v; A# V7 p;;[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]]
. i& h. e% S7 R7 b. D+ I( W; @% Xtrade-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]
9 O" U6 a/ ? `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list2 [ J! k& ?0 c, v; o
neighbor-total# S/ u1 J! s8 c) v
;;记录该turtle的邻居节点的数目+ A4 A- b Q( B& K; M8 Z, Q$ W6 v* U& k
trade-time- J$ t" |" x3 {
;;当前发生交易的turtle的交易时间
1 }: @) m0 }" Dappraise-give
" n: X1 u; H; y+ `;;当前发生交易时给出的评价
/ M, f0 K# p. C( v4 M- l/ Yappraise-receive
G$ V0 P" Y9 i;;当前发生交易时收到的评价/ q: @2 e$ {% l/ C1 m
appraise-time E6 q" s# ~/ b* y9 ~4 N+ T& M
;;当前发生交易时的评价时间
# B' s) x* x+ \" F7 E elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ s) R Y: y/ v, e0 Otrade-times-total
+ z8 K% |/ F9 i;;与当前turtle的交易总次数
) h$ T$ B+ E I. Otrade-money-total5 D8 a# |4 o" C; n& N- o% O' h6 n
;;与当前turtle的交易总金额( a. e, x) \4 G( h! i4 L& `' C
local-reputation# D4 n7 q; V1 z! {0 S
global-reputation
) E. f6 M2 Y$ m7 A2 d4 scredibility
' T W! e$ N& _" B) l; j5 _2 e;;评价可信度,每次交易后都需要更新& @9 i- U) X, x
credibility-all
) q3 s7 i8 f u9 i+ @ [' 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9 w/ H) ]; h! s5 v3 y+ x) ?# F
( [/ C; n4 a. g) D0 j, p# y( C;;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
$ _5 D2 {0 A4 H! \6 `credibility-one
7 M1 g8 c a3 T# ?% }* {, B;;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" G9 |. \5 w4 r0 p% y
global-proportion
2 K/ R0 O' r& G* W: q7 V$ e* scustomer
+ H: }2 Q/ c, S9 _5 q5 V6 M/ jcustomer-no
4 i! ?4 q1 t1 @% otrust-ok
6 c4 c; C5 W8 k$ g( V" B4 [9 m6 W( ptrade-record-one-len;;trade-record-one的长度, H' l" @, `) ^2 A
]
' Q8 I: R9 M& ~* G2 a3 N$ v+ h
9 ~! W" n# {* s4 |8 R;;setup procedure
. S: [- T! z/ b) _, J# s. ?! _% ]9 ?
to setup8 m* B/ g4 D3 f8 q/ V
2 i0 s& t5 D3 |$ u8 V7 p P. `ca9 V) Q7 G) V$ _4 F; S* G
T, O" \6 P* E7 S$ v. W- ]
initialize-settings
( s4 {. F1 a6 U9 ^' L+ p* D6 J) r3 D9 P' o1 V
crt people [setup-turtles]
4 Q9 ~: l/ C. e0 U$ Q0 e# q" z/ ?" n! S
reset-timer5 b) N* T" d0 ]% w
6 }; |" Z+ v9 X' H+ ppoll-class
" Y+ R. `( w& O# d0 v) V3 R& [* H' `8 C( O9 j7 ~
setup-plots4 o' V4 N; O2 q# q* c4 D" k
, v+ B- D% t4 e
do-plots
+ x- L& S* E4 p! B ~7 pend3 h3 g* u/ t+ i( `& x
1 R9 @; c1 F' y$ Uto initialize-settings
& a% x A& M+ y3 E7 F/ T
) G. h+ Y! b/ a6 C5 k" u4 Dset global-reputation-list []% i* W- y2 }. h
m c- x6 U! p; V6 M2 e% U# b2 }
set credibility-list n-values people [0.5]
% K" ^' v/ u5 J. H, L
1 t8 O4 @$ q3 b$ A: A5 i( S$ jset honest-service 0
" Q3 s* z! ]7 ?7 M6 ^9 E3 G3 V+ M1 T# R; K8 Y
set unhonest-service 0
: V7 F4 F2 l/ M7 M) c7 A" {1 W# y- B( A0 X* A7 a6 Z/ V- i1 y K
set oscillation 0
5 v4 [( k8 o5 x% P7 F
* S7 |* l* B, Y5 zset rand-dynamic 0
* O" n* E2 ]0 d4 f1 wend6 E' t; `2 K6 I7 ]2 L4 j) I
9 N' @- v% \( r: I h/ a& ^7 A/ ito setup-turtles ) Q ]6 m6 n" Q# K+ U1 e3 O% E/ }
set shape "person"8 `% j; M5 I5 S. y, o' }
setxy random-xcor random-ycor4 R8 p T) t1 |, Q
set trade-record-one []* \: y$ I# }9 p( V; a2 _
, t$ ~. Q& E- B1 m2 n& ?set trade-record-all n-values people [(list (? + 1) 0 0)] , s* o9 J/ S: I- @$ m' |0 ~
& }( ]. Y, A' @set trade-record-current []
! S9 T1 w' V- x. {. f& t# A6 [2 G2 eset credibility-receive []! ?# v+ ?: {. Q4 z+ M4 ^
set local-reputation 0.53 c- i* n8 B3 n! q1 C% P
set neighbor-total 0
. }* ~( `" i! a2 T1 T. @ xset trade-times-total 0
% \: o; R2 ~! _% s/ l! lset trade-money-total 0: j5 s, r7 m" T2 ^" w+ I+ ?8 W
set customer nobody r& u4 p5 |8 |
set credibility-all n-values people [creat-credibility]
4 n8 R' w0 E* Cset credibility n-values people [-1]
& \& s8 K6 s- o2 ~: x+ f( Nget-color
& k2 Y' Q- }5 r+ U1 X- ^
( B; x& n/ E+ @; i8 F* Hend
2 v3 S+ R" \0 w. O4 _! }& c. S+ Q e% w
to-report creat-credibility9 N0 P) c+ O2 r- D# ^/ O p
report n-values people [0.5]
& w$ F3 E) p- G% eend: u1 m% o) B% [& j5 {0 Q
# c( F3 T! Q0 f+ i& d5 b& ]$ g- q
to setup-plots: x- l9 T, I. w
2 P& ^* y3 X- c& nset xmax 30& I2 l+ W6 N7 z) F+ C! O5 G: B2 Q
3 s' ]0 v3 t. K: |3 y/ a( Nset ymax 1.0
) S( `7 {# C4 X6 t' q. `* }1 i$ j. T H: k. I" \) O
clear-all-plots
( _/ G, _ N3 q# m" X5 Z
' D4 i0 N. O f6 Hsetup-plot1
. y$ I: z8 m$ j% \4 Z( R4 Z% r
, T/ n0 P8 u- N4 R) C$ Q) O" \" M# zsetup-plot2
# s$ K3 @4 j/ W9 L; o0 Y9 ]) n% v5 @) n) h2 i) X
setup-plot39 f8 h8 g3 x: v; X, F8 z9 y
end
1 x+ @6 S& b6 C, d5 W& k! C* N4 s5 p U0 a) t5 e
;;run time procedures! {5 k; |+ x; `8 V& p
# Y4 O+ j- W2 v e
to go
5 ^! v [$ l4 T" U2 [# `
( B3 B4 j# M7 w% ?4 K* [ask turtles [do-business]
. n+ ]8 X) d% k# G9 Hend7 P" P1 u, N: ]# y& F
& s( d* J) w& @8 H/ b3 L6 K
to do-business
" H/ i3 Z1 c9 q3 b/ P* w* a
9 `( C3 h9 W0 m/ w0 d* w/ E- p) L$ T3 M' H$ O3 r4 ^" o, l+ e4 x6 B
rt random 3600 z; B7 K9 [# T
/ ^/ m! \) h+ Z8 b3 C# T2 ]
fd 17 k4 F" k% r9 @/ ?7 w
8 _+ e- i$ q5 K7 W' k
ifelse(other turtles-here != nobody)[# n2 S/ u$ }& g8 e3 \' v8 g
9 k8 Q/ R: |2 ^- x- {" j1 Rset customer one-of other turtles-here
/ H6 P" `# Y3 W+ m; {2 j& [, `
4 z$ L7 K, ~" V;; set [customer] of customer myself3 l" m% _+ z! F1 T( k9 x
3 w8 X& V' M+ b+ ]& C3 u
set [trade-record-one] of self item (([who] of customer) - 1)- \ Y% S9 y/ e
[trade-record-all]of self4 m1 h U- f5 Z$ [. k
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* J. X7 T3 R* ?9 u
! h9 I& s6 H# E% N$ n) y& E( y2 T7 Gset [trade-record-one] of customer item (([who] of self) - 1)) t. F \7 P) ~4 O
[trade-record-all]of customer0 \: ~0 t6 h2 k; Q( F3 _
2 `& I8 |5 X( H0 bset [trade-record-one-len] of self length [trade-record-one] of self! {2 e! ^6 e+ K+ Z
. [9 v5 t; N" ^
set trade-record-current( list (timer) (random money-upper-limit))
7 v5 ]' d' [* f; y
8 ]( c& f+ e e& f4 h4 R/ t# `4 ^& task self [do-trust]
' V" O9 t* ~2 V) {;;先求i对j的信任度
3 L7 U0 q8 p0 f" G
, q7 `9 q6 G1 k; ^3 L, _7 J/ [if ([trust-ok] of self)8 n' d1 i- x) @6 I! {
;;根据i对j的信任度来决定是否与j进行交易[
( f- P& `9 E, P" Zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself+ W' a6 F# [: W3 e/ K8 G
N7 M! D% T! \5 f; K[
$ c7 s& L4 o+ S( U4 _
( t v( L6 \9 g. m3 R0 ]do-trade9 W7 t6 V* h3 K v- l" D6 s
( b D i1 a( yupdate-credibility-ijl
- [$ z7 t/ W9 c7 I- A$ t% M
f2 N' H; r, x* p8 fupdate-credibility-list3 J9 K; M9 s/ j! B) b: }
/ m1 L E& H$ i% c3 @6 e# A7 E! E, s+ A% Z5 y
update-global-reputation-list
) k4 Y' R# o4 G& `5 m( s% f
2 y/ O- T' s' A* @/ y) M$ xpoll-class
' Z, \' g: b/ l+ U2 z9 M
3 K/ c! j; s+ Hget-color% F; M8 g" E/ z% p' t) `
* N% \5 W1 I4 I4 w. Z i]]
. f9 b0 P+ a8 [& f# ^
/ I7 L: e/ Y$ S;;如果所得的信任度满足条件,则进行交易" i# U5 _) c6 V7 A# T; d
6 n/ y3 t" U+ K7 I/ M) O B[/ K6 J+ d/ z' g. P: E8 N
7 I' \' n2 A) Irt random 3600 o( f3 @1 B/ d& z, y( ]
8 r0 q1 p7 q+ T. U: n& F1 Y
fd 16 m- X; m+ l: r
' b/ c* [3 Y4 d7 |+ y
]
2 v9 _' P' I9 [. j8 N4 a2 k4 W% R# R- N) q0 K
end: f3 H& _- H1 z, O$ P
. h2 S% w2 |$ h) h! ]+ x: J
to do-trust
3 N" E1 ~8 n; K0 Oset trust-ok False$ T3 P* j9 O( o5 b4 j( Z- B' Q1 p
( l$ R5 H, t) V7 K- Q
6 s( Q9 c7 q) H5 y% L
let max-trade-times 0! N. {% B$ {8 h
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 w' f) ?% H8 J
let max-trade-money 04 j- ~5 j1 B; @# G3 M+ h& [" }
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] p# g) R# y2 C
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 J+ v A2 G* T0 i( I; [1 p9 {
2 k: X- ^% S: c# [& p$ k! a: u& A
9 }4 I5 k& ~( u% K1 j; e2 v) M6 `get-global-proportion
% V) R5 n# g6 N* y* Y# Clet trust-value. t0 t5 W# m y" c( Q7 i" 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)6 c6 C/ T5 M5 f4 D
if(trust-value > trade-trust-value); b7 e- U1 D& y$ Y$ ~
[set trust-ok true]
+ W$ v% u6 M4 R$ P1 nend
5 d: t4 g: I+ B3 z: }" V, z
) A) c e" z' V# s5 O7 f: rto get-global-proportion$ b$ n' U* e+ O
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
8 e3 N& t+ X! c# ?# L* t& q5 M) O6 ][set global-proportion 0]
5 M4 G3 T: I; C( C[let i 0
! b3 z8 t3 i4 N$ [/ Elet sum-money 07 B/ x, g1 ^- C+ [9 K% U
while[ i < people]- o. [1 b3 K6 G. u* v; ]
[
( M& R) j" U! ]6 A& {$ l; v' Gif( length (item i Q; f1 [. l9 O/ C" x& N: s3 k5 A
[trade-record-all] of customer) > 3 )2 \; ^7 \+ E3 p4 t& ?
[
2 @' X1 ~: v$ Y( eset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 V& n7 Q0 c0 [6 d" u& J2 ~7 S]- c, d: Q, b: C/ r& U
]9 K& H, c' m/ a$ r4 s3 L
let j 0
2 V f' s8 v: @' Q; r- \5 I8 Rlet note 0
. g }9 w/ b+ x$ W7 `/ twhile[ j < people]
7 }& e7 K! n# G! B% A/ K0 Z/ L[5 V- ^; d5 f& Q" z" ~' S
if( length (item i! V" a- {/ t; X( m& q! l; l4 E
[trade-record-all] of customer) > 3 )$ a1 A% S0 x/ t6 t- [
[; H& t5 i! `- W2 _+ b
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ W) h" K; a% O
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]' ]. q8 Z$ Z2 h
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; h' ]& O5 f! r5 {. G/ @]
1 E3 Z( I. w) n]& x4 N2 d. y& Q' g s4 E
set global-proportion note" N* e) [/ A; a; e& K' c# T4 w
]
3 m/ V: O/ {3 o# J1 z- uend
! @6 A: q- g- K. M# E
" g- q/ g. |! x _3 b; @0 f# `to do-trade9 p- E- E; ?" ^0 Y0 @
;;这个过程实际上是给双方作出评价的过程
) D. t5 N/ V/ I. sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
( n5 {7 O" w1 Vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! C) B1 m1 ^5 ~, S* dset trade-record-current lput(timer) trade-record-current
0 v% P! q: a, y. E3 {;;评价时间
& w1 O0 {, M, M7 U- R- T7 rask myself [
7 r6 s3 L+ y6 Q# {+ B5 x6 zupdate-local-reputation B8 b% u) y6 U; t9 T
set trade-record-current lput([local-reputation] of myself) trade-record-current4 c0 T3 m& i$ p4 o4 F- ?& t
]' X0 u' q1 a% \
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself5 O9 p6 `3 H. {
;;将此次交易的记录加入到trade-record-one中
" W0 M& J7 S3 k9 [0 E& A( Aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- N! `: {- T7 n2 ?8 \
let note (item 2 trade-record-current )
$ }4 G8 U/ i* L5 G" N+ [9 Sset trade-record-current1 O0 g9 y* w/ b8 A, J# s2 b
(replace-item 2 trade-record-current (item 3 trade-record-current))$ _2 R W& T$ J; ]
set trade-record-current
" @4 I2 ?, K t5 }) [- l0 O" ?- X(replace-item 3 trade-record-current note)0 i3 T1 t H2 e; e
D- z/ X6 ` ]" C
; K+ s% D; G5 y; j7 T: \4 H5 Oask customer [
) R# v& Q& M% H6 e$ q- kupdate-local-reputation
7 ^* \$ k; A- H% H- l' M( p& cset trade-record-current* t u+ @1 \4 o4 H; P/ k
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - m, u4 K) w: X# k0 Z
]
3 }. X ?% _0 ]0 x& p7 r+ C3 g
- k- M* \% t' |6 W. W- X" N) K Z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 }0 Q9 v7 g" X* S8 l0 F/ d) |* f/ N- }3 H. j6 q6 g- u+ ~7 Z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& i4 A" w$ y5 [
;;将此次交易的记录加入到customer的trade-record-all中- c/ f$ N5 ]2 L# \( Y6 ?6 r; N
end
, H7 a9 }5 u7 k0 b8 ] |+ }$ q- t3 M: y* \& y2 W, \
to update-local-reputation2 g- \+ Y( ^4 Y/ ^6 m! f# a
set [trade-record-one-len] of myself length [trade-record-one] of myself
2 S D/ g. ?/ D; i `) ^( |+ F; D; k7 \+ |7 ^+ n
9 O ~/ j$ r" u6 X) Z) z;;if [trade-record-one-len] of myself > 3 ) x; s) [ }* `$ {
update-neighbor-total$ W' ^4 \- `4 h) f" D$ c0 Z8 z( P
;;更新邻居节点的数目,在此进行& ]1 X' I' N% S9 @ L- w
let i 39 S$ c+ B( j. L& @1 T Z
let sum-time 0
, N9 z- w( P i7 m ^! I& Lwhile[i < [trade-record-one-len] of myself]
0 i/ I, W: K7 U9 ?8 S[
& V3 c7 C) @; O, M/ \, T% z4 Nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) g) c" y- ?4 D- A& F4 zset i
. \1 x: A* A4 ?: E+ k( i + 1). x+ S; r) F1 x
]
4 S: e; @0 A" k6 ~9 jlet j 3
q0 V* s( F3 L- U& J7 w' N: T& llet sum-money 0
: C. [5 ^9 N; X ~while[j < [trade-record-one-len] of myself]
% J) `- L, ^' h" j2 d[ a) P. _2 h" L* a5 ^
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)/ I4 d- P$ z& }
set j9 V* N( ~3 [/ z0 U) J
( j + 1)
0 |) q$ F5 p7 H& ?: _3 U) I]
" }9 r' q+ a8 S" c c$ v4 ]1 Clet k 3
0 r$ B* X& _2 Z7 S2 c! X. e$ ?; _& `let power 0
1 A! m1 @8 t [+ mlet local 0
8 p/ c7 b. w# ]7 h5 jwhile [k <[trade-record-one-len] of myself]6 k2 k% b2 T r
[: o) F) p2 R& S/ b# p' o
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)
" [! P) w" L( p" {/ B- S8 f2 Z2 jset k (k + 1)9 F k5 n% t+ X+ E& T- E, H
]
$ E t1 ^; q5 p( c3 ^# v5 Fset [local-reputation] of myself (local)" P0 o! D2 @/ R' J
end) I& y5 x. f9 S' H; f) `/ s
/ f, h) I. L# B3 r# W5 P0 p, P
to update-neighbor-total4 X# S2 p1 h0 B7 f- D) a
& t$ r, L' `( l J
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& i1 V; [3 n. e4 N: S: z$ E
1 T$ Q, J2 U3 x
( l/ {3 W" U% V- V9 i- oend* C: b, t! P% A" i! s2 _
6 L1 K0 n4 ~2 Q; @! z" ~to update-credibility-ijl
2 ]' [8 X& \: v5 {6 w
) D6 x5 C7 D0 S- u5 Q' Q J8 i0 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。! J' `4 N, |9 Q6 e2 u; q& L
let l 00 l7 p, \8 B3 E& D& H& B
while[ l < people ]
( X: [0 p9 J- d! v5 M* u3 q) ^;;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0 i- U9 Y0 X! C8 T% [
[2 O {8 [ H; v2 `0 `
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# t* N# s5 F" k: l5 e4 w5 b/ Iif (trade-record-one-j-l-len > 3)' t8 c4 w3 }9 k" U' d! {
[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 P# ^5 j/ P+ E: U
let i 3) r8 W) t+ }+ y' `7 C
let sum-time 04 W( o* s* E; b2 T
while[i < trade-record-one-len]
N+ ^7 a, i/ x" I. E, i[
/ l7 m( m9 W8 R' t- T. i5 Xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& X4 f } d$ @! p+ P) V8 o2 Sset i
' D8 V- J1 I6 W5 g( i + 1). p" y: a, W( f& h
]
# v# ?% o# u3 @: {* ]let credibility-i-j-l 0: F% v9 E k0 W# t1 g
;;i评价(j对jl的评价)
8 V& Q- ~6 _" c# z& Clet j 3
7 B6 o8 ?" N! R: M, S' O: glet k 45 L( A3 M: N% N- c9 y8 n/ p
while[j < trade-record-one-len]' c7 x8 m% T4 U3 X: i! o
[/ h3 E m: p# ?# y/ A& ^& V- f* @
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
: h% P/ @/ D3 y9 W Fset 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)
: k$ M0 B1 b# E. Mset j
. d: {7 e+ E& E# } W& B( j + 1)
7 I- w7 k1 B% D6 q& ]]3 U2 O# A, y. m
set [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 ))
C# w( c. w) D R, R2 [3 ]( Z
8 S- Z9 O* q: s$ p9 m- Z" n
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 i; Q8 J* Q( d;;及时更新i对l的评价质量的评价9 E8 K t9 G: A5 k
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ x7 d0 \+ w9 `, n
set l (l + 1)% W1 @: P3 s; Z
]
" @9 \# |* n5 i8 w5 l6 _end" C7 L( S/ w# L/ J9 L' x
+ x: ~ K, z: M( d( H" I/ @$ D: W
to update-credibility-list
1 z9 i+ ^8 Q# V! {6 Xlet i 0) W9 n# y* B" f1 Y& U
while[i < people]% R4 {7 q. n w8 [1 n/ v6 }
[
4 q4 U. ~+ f# I3 ~1 I! G1 tlet j 0. x' @0 u. g& B6 z, A
let note 0; p; V8 Y# d8 l" m) l5 ]1 f4 }
let k 0$ a0 ?* k9 ?5 Q w H
;;计作出过评价的邻居节点的数目
$ p# j1 x6 _( L6 O' Fwhile[j < people]) P& O" u6 q) [% S, A/ J) b, [' ?6 }. j
[+ b/ @8 z& R0 a# ^3 k5 r
if (item j( [credibility] of turtle (i + 1)) != -1)& [* Y, u1 Z1 \8 S# k
;;判断是否给本turtle的评价质量做出过评价的节点
. I0 c; R1 _; x3 H( P[set note (note + item j ([credibility]of turtle (i + 1)))
0 [2 m. P" u, S1 Q9 Z# Q" R;;*(exp (-(people - 2)))/(people - 2))]
7 i4 r5 [. ~: ^( }, l# P# ?set k (k + 1)7 G* Z' e! n @
]
, S+ C4 L' z. J9 |/ s! uset j (j + 1)
, _' a# ^- J" \/ E$ S]7 g8 N9 ~7 j* t* B7 l# Y
set note (note *(exp (- (1 / k)))/ k)
/ N) Z6 ^: @. O" Sset credibility-list (replace-item i credibility-list note)( L: ]8 F5 [- t6 g
set i (i + 1)7 e) X4 Y# o8 G/ r, D f. {
]' X: z- D; p& g" z1 }0 B% Z
end- C8 i. X2 Z: ?: G
6 I p/ m% W2 P! ?7 M% J
to update-global-reputation-list
% s1 q9 N8 l* ]) m& R: Zlet j 0
. [) V c$ \+ V, R5 f; _while[j < people]) F( u" n2 d5 t7 W
[
: f8 E9 `, J, I4 N; Elet new 0" @3 Y% ]0 d( g5 K+ K2 H" E+ e+ X
;;暂存新的一个全局声誉
- p. f& X: @* t$ |. |+ Elet i 0
1 ]5 d% I* @9 f# N% |let sum-money 0; b2 ~( Q" }5 k6 b/ I
let credibility-money 08 J: I: W& s/ t5 b; G6 h& V
while [i < people]
) P9 a! |- q2 A1 t. o[
; M# E9 ]/ q- |- Eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
0 d. J( f; j B1 {' _0 zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' e( I, B) {( x, Vset i (i + 1)4 Z! q" H* Y; ]0 T1 _
]
# J2 U/ k& C# ?/ ?2 q' K$ D. ?let k 0
# ` P/ h; G& ~let new1 0% V$ `6 M- K. P4 H9 W
while [k < people]
3 r; Z0 ^( |; X[7 w4 u2 t5 L/ t' J/ t1 O! w2 X0 J
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)
/ H9 v3 ^; p6 j' V% [( O0 a+ Sset k (k + 1)
' E) k2 H7 k6 ^/ A]3 N% u4 b m. v7 K
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! @2 L2 t) m7 h* L1 n9 bset global-reputation-list (replace-item j global-reputation-list new)8 B3 `, g* ]% P- d9 M, S
set j (j + 1)- m1 I4 o, x6 _2 F% u
]
* s9 w" D0 f7 u. n4 F& @end5 X( c- P4 D, W( V, H, o* M
& M! m; ?: ?' x ~( C# p
1 }( A# V: v0 A3 N& B2 S* f
2 U6 g3 |; S& S' V) Gto get-color+ a3 v" u$ n/ p' P
, N) }* G7 [0 }; [+ ?& H( D8 R
set color blue
+ M) {9 t4 X: x2 I1 }, N9 J, i1 G4 i/ `end1 |& R) m) m5 ~) B9 l
4 _4 n! J2 r0 B& `; Nto poll-class3 F) u# A9 g, o7 [, c( G+ Q' b
end
5 b4 q1 w* B1 k" l* Q. c! c& G5 Z+ J' u1 s4 Z# s8 o+ C
to setup-plot15 x2 @) F4 Z/ Y! }7 M3 v
) R( B( h# G+ y% U4 u) aset-current-plot "Trends-of-Local-reputation"
6 ?/ n a$ ]7 @! a0 Y+ E3 J! x$ ?
7 g! G* t T5 a) ^ o% nset-plot-x-range 0 xmax
! M) r; u9 x% j/ L$ h, {8 G8 ?& s3 j. b. W7 ^6 f4 P+ q
set-plot-y-range 0.0 ymax
. M) d4 M& M# {! Cend
7 h2 k& P* i# W1 r. k
, }% Y8 ]1 O4 R, w& O- xto setup-plot2
5 H0 w" P/ F9 M) E, R. c, f6 c4 Z
) v, M4 {% D+ k7 Fset-current-plot "Trends-of-global-reputation"
( @( ?& j N& ~: x2 s- ]9 s ]9 I' a7 j) k4 s& R) A
set-plot-x-range 0 xmax% _: w. V) I p: d. P, S
5 e1 ]% {: a1 S7 K) U5 }2 Vset-plot-y-range 0.0 ymax2 x0 n, O7 b/ ]6 d+ V
end) v) S @. ^/ `
$ v4 O- s' [# v' xto setup-plot3' O7 S0 i2 P7 t
& _/ j+ ~ M9 A0 r2 I0 yset-current-plot "Trends-of-credibility"' O/ ~$ }" F/ S) n
X+ V, I* P5 Y& H J+ K
set-plot-x-range 0 xmax
$ B: Y7 S8 ~! C6 c) A
* f" D! D$ Q5 A- gset-plot-y-range 0.0 ymax
" V3 j0 }& z7 F3 H. g1 H* Nend- F: B. ]. y% b. \6 P( ]
- P1 z. \; K$ ~" h
to do-plots$ Y2 g( \) v E) n2 j9 }) W# |- q
set-current-plot "Trends-of-Local-reputation", b! ~" w @* H: t2 j0 x8 \
set-current-plot-pen "Honest service"
% ]2 E f5 @6 I! X( ^/ P2 Jend( m& F: x- B% ]! v$ |& e
9 Q0 |$ u' z- q5 t: r[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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