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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3 q `7 }9 u- K3 J: y) |
globals[
; Y k J; ^+ k: V' Z: o4 ^xmax8 T b& z5 V) E' E. ?' C: c
ymax
& A0 _/ y2 l+ f! H( Dglobal-reputation-list
$ E" ] A+ M% _' m5 |( g' t) m% U7 G3 z8 }/ z# S
;;每一个turtle的全局声誉都存在此LIST中3 c! d! U! p0 M5 N0 _ c
credibility-list
) y; q! Q& h$ n% {8 }6 _# O" ^: M. P1 `;;每一个turtle的评价可信度
: g! U$ x5 w! h" }honest-service; W! D9 m$ q, N; }% X( {, \6 ~& `
unhonest-service/ L, V1 h+ Q ?) s0 ^9 [4 _) I8 ]$ ^
oscillation
* t6 H( K0 L C. a/ j3 ?rand-dynamic+ u, f- N& L8 P% x
]3 ]* q x y9 S8 ]5 D( i+ k. N
+ S3 j/ J; F+ F5 r- C& [+ Tturtles-own[
2 C# \- E" z. h! ]* o6 o3 Vtrade-record-all
9 U0 N @' ^2 f;;a list of lists,由trade-record-one组成
: B; m5 `9 T9 u$ b% }" k7 F# G" jtrade-record-one" c w2 j9 `& ~4 G) V0 O* P/ j- ~! 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
$ E+ X6 d/ U K+ Z) Z0 P, i8 F; L0 @9 P7 \) J9 w( M6 |
;;[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]]$ P" J3 p% V' n& X$ z/ q
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]
+ `# o( s7 V7 g! s& |/ Dcredibility-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
0 [8 ^" @9 z7 ^# Q* N/ }6 Gneighbor-total
7 |, D$ n- g6 x0 t: a0 R;;记录该turtle的邻居节点的数目- h: K& M' b/ j; K, l1 ?) [
trade-time1 L9 k9 V8 F0 ]
;;当前发生交易的turtle的交易时间
7 s7 O+ N; _/ }, T7 tappraise-give
" H# c- u$ `+ E V- Z;;当前发生交易时给出的评价
3 H G3 u+ V: _; p( ^appraise-receive
! D: K& P5 L) T4 I& I% F0 _;;当前发生交易时收到的评价
# a. i( x2 g% L7 Nappraise-time- o7 n: z8 X) }
;;当前发生交易时的评价时间
# M% ^& b7 Y$ P0 Hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 U' @9 V% K' m' D4 J$ q) ]. L
trade-times-total3 [/ G' N3 g. `
;;与当前turtle的交易总次数
$ W2 c# @! B+ d0 l7 ^1 u. }trade-money-total( S+ e# B: v- J5 l1 [. V r; _; H
;;与当前turtle的交易总金额1 x3 `& i; ]7 m6 D" B6 e
local-reputation
& f+ N- Q( [* q" }2 ]/ C; hglobal-reputation
" ]/ w5 C' _0 U1 ]) w+ ^9 ]credibility
y2 ~4 Q# P6 ]5 n) E/ W;;评价可信度,每次交易后都需要更新
9 U/ B3 h. A2 E: fcredibility-all
; k- d5 l+ K u& B+ W0 h;;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% s7 J" ?! Y q( P; O
- y. ]* E4 ?: P }
;;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
4 J: } V, k/ B1 z* _1 t+ K) S% bcredibility-one+ A. u5 b! I' ] 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5 v- r& I2 w! ]: c0 s5 g0 `
global-proportion# J1 [$ V; @, a. @
customer
1 G2 _) N, u+ U! N9 E, R8 ?customer-no" r h+ p; Y: a4 _
trust-ok* B- l0 u; C' x ^
trade-record-one-len;;trade-record-one的长度
3 B, i8 Y% m3 L3 U( \]5 D# F, [' M1 p) ~ M5 m4 }, e" z
+ A, i" Q$ b r2 B1 a;;setup procedure# C# c# D: {! H9 {! ~2 R0 e
3 {9 S. ]* A3 B2 d7 Q* _) i; zto setup# n! n: \0 ?# |% m! V3 Q
: ^) a" K6 e5 o1 j2 U/ D
ca
+ @. M% L+ [/ J; S
" x# z+ _, m/ u8 [; a, S, l- Uinitialize-settings
+ G# Y1 Q1 c# z
, ^, L6 ^7 U" s. \crt people [setup-turtles]
4 f4 q( K. S/ z$ _% Z- U C4 x7 ~3 a$ }$ u) T: X- m
reset-timer: I' Y8 k# X; I( w& D2 ]/ G
3 |7 o* z4 B6 @( \
poll-class
0 {: H6 J5 o( l
( j3 }( G3 M2 H" Bsetup-plots4 |0 p3 Q; ]& E9 j/ ]7 K
6 P, q' p0 i6 D) R2 t% \5 o
do-plots
% G, i1 I. e9 P- D( x' T: [end
( H& s5 i) H6 g) s: r7 j) ?
- q) O3 w1 w/ ]2 x% Sto initialize-settings
0 K) `( k6 i, l9 _$ e
: q3 } D* A0 z4 v$ Eset global-reputation-list []' F* }. T9 ?0 e. k9 |. f, c
7 w* p; ^ R& `. p
set credibility-list n-values people [0.5]/ J& x5 L( { J' M4 e" F& o
& M$ O8 b. u1 Q8 ~% qset honest-service 0
( d" e+ {: s# o3 G4 c% v% _0 A/ A5 A: c. P8 t
set unhonest-service 0
$ j# e& e* \# y+ a: d2 W
* _# ]2 l" ` k8 m& pset oscillation 06 V6 h* S ?8 V( ^! V% g3 T4 l
/ c! Q3 i" v& f' L9 `set rand-dynamic 00 ^* [1 e, H! ], T1 N: r" V3 v
end8 S% S/ H) n$ {, I! C
9 B. T$ H" R8 l7 v
to setup-turtles % @* S: ?1 a" ~. j# \5 F3 |' d$ }3 m
set shape "person"9 \/ d* N( k2 B) U$ c
setxy random-xcor random-ycor
S$ o' M1 q4 cset trade-record-one []# l0 Z8 h5 m. p7 p$ C6 y- V! G6 B
+ s) I6 M+ ]; I- P- ]' F4 {1 Dset trade-record-all n-values people [(list (? + 1) 0 0)] , S7 F, d! w3 g$ }
) M# Z* m u% x8 g$ w% V
set trade-record-current []/ j+ u( f% [; h1 o4 p9 x) e: x
set credibility-receive []
. Z9 ~( R ^) X$ M1 _7 yset local-reputation 0.5
+ c8 L$ V+ U; ^6 u1 Z" L0 B. O: jset neighbor-total 0, F- c2 I3 d4 g2 b% f6 I" t
set trade-times-total 0
* `+ r; ^: a+ o! c- e8 Dset trade-money-total 0
; A3 i+ v* h; o2 j- b( A5 qset customer nobody7 T0 q* ^. i# m7 b" a$ F9 [
set credibility-all n-values people [creat-credibility]& B7 h) Y5 s3 X1 K& [6 \/ B* C% I; A
set credibility n-values people [-1]
2 y3 k: }/ L$ C. v" T Q4 eget-color3 r( Q P- `4 B8 Y
; s- ~: `& q* C: y8 ?* H% R
end
% _8 M) Y U* u& a8 Z7 }3 _4 M; n. p4 f- ~
to-report creat-credibility8 h s% l! Q, t$ J3 x( R- m
report n-values people [0.5]
# A* T; }* f1 t4 Hend
5 |) l A0 A" D9 m2 n8 W6 s \5 V: P1 Q
to setup-plots, p, w; C S& P2 b
6 E! m+ r0 W0 @
set xmax 30: r2 ]2 u. Y: Z! |4 |2 P
1 Q( w4 Z0 [9 E, }' G; f4 ~( @set ymax 1.0
" N b& O0 `8 x8 I* q6 J- N# _; d3 W" {
clear-all-plots a2 l0 a; c8 h8 ?0 z8 }7 D7 ^
, ^6 B+ G6 B) }setup-plot1
1 C+ Q. }/ ^/ L: `* h+ Q$ n S1 s5 p$ s$ p+ \" i7 T9 V( I9 {+ S
setup-plot2
9 d: E# L3 @+ [- A# J0 n( m
" V6 N/ {- A5 U- p, c, e5 \setup-plot3
$ q9 {* }, v( g: h& _8 uend. M" A' a) f' ?/ {7 P& i. {0 Q2 Q
' y* W- T3 i! v
;;run time procedures+ m8 O5 \9 K: ~$ n- ^# [* o
' R% n( F+ J* `* j9 s/ oto go- w6 Y) ^/ X$ B1 Y+ N6 ^) ]$ M
) O6 n @; [) bask turtles [do-business]& ?' b( {, ~# v% D8 g
end4 y$ {/ \' ]( Q8 }: K3 j
: ]- K) N' _% b4 t3 E pto do-business - ~0 y3 M0 B& s! `6 _5 t
0 x/ y( S: U; i
/ Q1 a6 q0 w6 n4 }- Q( }rt random 360 i6 F# d& |9 C' e( C1 n
, A: h/ T1 q P" ^) |# ~7 Z
fd 1/ O" m5 c3 H9 q( g
' Z; I2 V+ j) T5 P2 eifelse(other turtles-here != nobody)[
0 n6 Z9 Q) X; `+ U& |- Y( ^ S7 f) i" E U- G; G4 D
set customer one-of other turtles-here1 y6 q. E1 v( r$ c# [
5 q' G# S ~) l; a# A0 h* n7 Y0 [) b( e;; set [customer] of customer myself
, G( O) a5 D& l& h, D4 K g- f$ d/ r+ {
set [trade-record-one] of self item (([who] of customer) - 1)
/ @5 [* ]! ]2 \9 i ][trade-record-all]of self& F6 g4 z: a& X, X) _
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; ?$ P1 }) Q. e4 C! X
- D7 j c0 d R& d7 I* l
set [trade-record-one] of customer item (([who] of self) - 1)
D3 _6 u( l; N- n[trade-record-all]of customer
1 P0 A1 j' P( N8 n: A6 }/ x0 q# \0 X3 i) u1 S2 e2 \$ ?# t
set [trade-record-one-len] of self length [trade-record-one] of self, O' C, r8 N1 X6 S3 b1 }& w3 s" U
0 R q2 m2 y2 G5 E O: P: r. I) s/ `set trade-record-current( list (timer) (random money-upper-limit))
# z2 u$ @5 m, q
+ b0 a8 T, b3 f( ? @/ _, }ask self [do-trust], |' M* K- S/ ~1 ?
;;先求i对j的信任度
6 L9 k) _) Z1 J5 ^* p7 ^1 c0 \5 x" r% h2 S3 L, S4 L
if ([trust-ok] of self), D& W/ B4 @* @$ O- V) ~
;;根据i对j的信任度来决定是否与j进行交易[8 z! V y; v/ s+ N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
( G6 y R0 o* c
& m( c! [3 a3 h! Z$ ]: A2 {[( a9 I& D% ]. N' o( F1 M' k+ }1 k
6 ?' V, b& x6 K( ^" X0 P- Z6 Hdo-trade. v [' y4 o" M
4 c" o- A F4 \) W
update-credibility-ijl0 C& X+ y9 z& E/ W, \
6 @4 V" q5 j* N" ^$ X7 tupdate-credibility-list
) F) Q$ T3 W$ A8 O L
+ X7 g1 h$ J2 m7 f! Z; M+ w
+ z5 c0 x+ d( ]- C7 Y9 jupdate-global-reputation-list
2 X# U& f* `2 U5 {% P
4 H, h% i Q- e3 kpoll-class! K) T$ o% |1 i z
3 T! @5 a2 n' b! O2 T8 k3 T8 `get-color& L" t' A* L6 _' }( r
- O9 F# R2 Q# H) O: W& C# J
]]9 J/ g) [" A; t; _) `
" U, K9 u! A% g& u
;;如果所得的信任度满足条件,则进行交易) v7 u! A0 p8 Z0 o0 u0 ~* a
! t3 |! Z1 Z: T2 M. ?8 w! E[( y7 ~6 p5 }) q, T' L& c
7 A+ Q' Z! I j& }5 {
rt random 360
N; a8 d, y1 {* G+ l2 z5 }* \7 u" ^# s3 v+ L" n& m/ T% X
fd 12 e) g0 O) w8 c' X
- I; z: [$ f1 }5 j9 ?. D
]
- V0 b: P$ f% W2 W3 s2 \. c" F
7 C3 D* u( ?5 ~7 Z; A( g9 Dend
! M! N+ p* H/ c! R3 J1 M
" P' l) N+ d5 o, o& S5 x( q7 gto do-trust . n4 @5 F1 `5 x Y( P4 [5 f8 Y
set trust-ok False
; i0 [! W$ Y; e7 G( g+ Q3 D
3 j0 Y$ y* s- u- Q( e0 R/ ]' A3 f$ g" }% N
let max-trade-times 0: [7 @8 x+ X9 M2 f1 Y" b# R
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 n" w& P6 O* C. A F' a
let max-trade-money 07 R5 [" A3 J5 S) T V9 P0 `+ B o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# ^+ t% y% M; 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))6 B7 ? K$ Z; f( m8 e4 O2 e
1 O' M: q" ]' `2 {( U" }% o9 h' C: } c
get-global-proportion9 `% U& w: f: B4 i# E& N, e
let trust-value. v0 A$ |" @, k8 R
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) d/ ?; u9 K: X+ `7 b
if(trust-value > trade-trust-value)
9 w# ?$ h! {2 Z[set trust-ok true]. B9 ^: ^- T H Y6 L& y
end
3 U) T2 o, L& t' _6 b$ `) Y/ `; g7 C/ ^2 M" r1 h3 r+ ^
to get-global-proportion" n( F- I/ R2 E V8 J) C
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- ]! ^" O" Z; { S' A[set global-proportion 0]
. d# h* J3 L& v: V[let i 0# p k/ z4 F- L: H. q
let sum-money 0
. y* q/ z% _3 L0 _- n. _while[ i < people]1 q4 @' ~3 h0 Z' \ {4 J
[
) v: F; L1 }4 Hif( length (item i
5 [4 f! x/ Y5 X q/ r! }9 D[trade-record-all] of customer) > 3 )7 O+ T: ?$ p6 E+ q
[. Z# {$ O$ ?7 a1 T# @
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 X5 Y% V8 _$ L4 S: f+ r
]* c) M+ r8 k" [) P; k4 O
]6 A! y/ ?; J$ M# Q: Z; M$ q$ I
let j 0
. M5 }( [. Y4 f( S/ s8 _% ~% T9 ulet note 09 p* [9 A/ I: F" u
while[ j < people]8 f& O' j' Z1 `" I
[
) Y! B, s/ S* n% {* J0 Wif( length (item i5 z( g+ Z" r* D7 r+ I5 D* T' a+ S
[trade-record-all] of customer) > 3 )
5 N j/ m( L9 w& y[2 {! _0 k) f8 {/ S+ M8 g: c1 M( F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 `: `+ p5 ~7 b3 V) ?[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ J: B J# k( m" h& ~7 j[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ j- |7 ^# e7 M% y3 G! V1 y% q9 ^
]
7 i, o5 I$ T. B9 H! c; Y]
) R9 d H U% [0 w: ?4 ^set global-proportion note
# Y1 n& w0 }( K* C7 J]! s5 r& t- Z0 U
end
4 ~* |- `& `& T. D% c4 W' h- |+ L
to do-trade& k' q* r8 ?/ m& z$ X
;;这个过程实际上是给双方作出评价的过程1 y( y1 }1 M4 |, |, a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. F9 e$ M3 f( O. w' K5 z: l, V! Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ Y% _7 q1 d, {) A' R$ {set trade-record-current lput(timer) trade-record-current
8 Y X' v# P4 l;;评价时间 C1 s: X# w* q3 i
ask myself [' q3 S" C3 c* b* r
update-local-reputation
0 t, C7 l9 x, l! zset trade-record-current lput([local-reputation] of myself) trade-record-current
% X. [, M; `: m+ S]( `8 H- t& \9 o
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" W n! U( E, q
;;将此次交易的记录加入到trade-record-one中 Y& u. K& I% ]% a! G
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ n0 Z3 j1 t- F( [* T/ c0 Q1 [
let note (item 2 trade-record-current )9 t3 [3 y2 ?' Y j
set trade-record-current1 N9 [1 ]! `( z& H/ p3 f
(replace-item 2 trade-record-current (item 3 trade-record-current))
: F# |) H3 u: B& Eset trade-record-current$ y2 m; A; T( p' P/ p; q" F
(replace-item 3 trade-record-current note)% M: f0 t( c- d M* ~$ {5 V
3 x5 K" H" p" N" Q# x! r/ U% M
0 q1 j/ j# U& s2 Wask customer [
/ G2 K8 k$ ^( j6 f- Bupdate-local-reputation- e' L. j0 f/ b7 t0 ~
set trade-record-current
* G( i0 E! f( u p/ U/ |(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / Y6 I4 ]' X- W' A' G. A/ w
], n" G% ?& z; P
3 c+ b" X* x3 g# Y$ V+ f
- g$ z8 O' |& G* J. G pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 d t8 U4 [" {8 I6 I( H
8 Q7 R8 L( w1 @+ p7 V jset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- |, |2 X) T6 [; y0 D9 R' G& P
;;将此次交易的记录加入到customer的trade-record-all中
8 `) T* R/ D# M3 ^end
" M/ U* \ m. R# l- }9 Y* v, c; D S0 v
to update-local-reputation
4 c1 W7 y: J9 {% M: aset [trade-record-one-len] of myself length [trade-record-one] of myself/ \5 m2 {' |# [6 a4 x
4 Y+ S F- N- ?0 S. J# t( ?
( T/ G; w9 b" ?, V5 f% Q# Q;;if [trade-record-one-len] of myself > 3
& a2 Q( d$ q/ u4 a5 F( l$ W+ Iupdate-neighbor-total
1 @# j, Y6 \9 r: H% v3 y8 E;;更新邻居节点的数目,在此进行
8 |4 t8 E1 {- T$ y) Blet i 3
F9 Q) \" S8 g' b3 R6 }. f! |! t1 Clet sum-time 0# N; B5 X# P. q9 h/ ?1 O; {
while[i < [trade-record-one-len] of myself]
$ d6 i; G- n6 P1 s3 w' K[7 I$ t+ W' ^( a! Q$ R ^7 h
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 k( ?& N6 F. Z. u' E/ Vset i. ?' T1 ^1 O3 }, l" ^( |
( i + 1)4 t& `- Z. j/ f" b1 P: B: Y4 o* D) K( {
]
. S" @4 U5 s1 Flet j 3
$ d- M: f) P5 Q- w% S$ R, Nlet sum-money 02 H3 t$ A; O6 d6 C
while[j < [trade-record-one-len] of myself]
8 C( Z, v- z% {* U# N9 i5 D[
) u6 Y% `/ v% \' R" uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)* @3 t) R, Q4 x( `% T$ f- w+ d8 U
set j8 i# W( Q+ [4 {7 y# ?
( j + 1)
* [9 E; v2 Y. `. W/ z]
/ r. ^/ Z/ A# t. flet k 3. v/ E6 [$ B" P# d% S7 b3 F
let power 0
+ A- l. X6 e* alet local 0; Q* H8 _: o( g. S2 G6 }2 F, q
while [k <[trade-record-one-len] of myself]- ~6 T, m) v8 ~) A8 b; |
[* L# Y% G8 C9 z( U
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)
* ^8 {- z; i1 z8 x1 U4 o& l7 [( bset k (k + 1)
+ y, C/ ~) j B]
- w7 L' X7 f! [9 e) tset [local-reputation] of myself (local)6 `; @! @7 u s9 z+ l7 W
end5 A5 [* ]8 E3 m4 n! I* [
0 G: K! q0 f9 g O7 ^to update-neighbor-total
( {4 X$ Y9 m( h4 ]
; C& D% e0 i4 ~4 g; Eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ w( _& j+ ?. Z
' l+ a' \: O* p( C5 ?# T2 o
5 D; c M Y/ ?$ ?$ q9 D' A3 n( B, M4 d! Gend( A* t9 w% f! n$ T. l
$ L5 s! q/ l' p; l# m7 g( k; ?: \
to update-credibility-ijl : }6 k7 P( N% A. Q& Q/ d
* X W0 }/ Q0 p- ~) T# G& }' X F
;;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 M' X% o+ k& o4 o6 Alet l 0
' N+ f6 v" ^& ywhile[ l < people ]
2 A2 G3 U8 L6 t;;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 h1 y1 w1 p% N' `& m* k9 m0 I$ |3 s
[6 d& Z" Y X9 V& l* M
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' ` ^9 U7 x9 l1 h+ t6 u3 Xif (trade-record-one-j-l-len > 3)
5 p$ w- g/ N: x F- z[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 n% Y `/ d5 C/ M7 L
let i 3
8 C3 x! L0 w0 I% T( z- c2 L+ h4 K5 olet sum-time 0
' ], k: D( h9 F5 Q, \6 G) Fwhile[i < trade-record-one-len]6 B9 N I! d, p
[
5 J! t7 w: _! B& }3 m+ n+ gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 V4 [( T; C! B/ ]) i$ A' f
set i
- w0 @ Q* G# e/ t% R( i + 1)/ T. q) v0 q5 K5 L
]
& O) o$ N1 v. k( \* W$ t; E5 xlet credibility-i-j-l 01 e% f% {+ }" t2 a7 z- t
;;i评价(j对jl的评价)" ~ l. ]" h0 K, |* `
let j 31 N: S/ L& z8 P) [# P7 _$ y
let k 4
1 Q! |4 D7 q& O8 `while[j < trade-record-one-len]
6 e3 Z1 ]7 \+ Z, N5 W) B# w K9 \[' p+ o5 u6 f1 L: Z6 F! q- x
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
1 ~& H1 K6 M6 ~3 s F, t& }5 Nset 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)% j) f4 K( m6 H0 T4 w) r, W- V8 a
set j1 n. y* u; o% g7 I3 I7 V
( j + 1)' \& Z; b9 y9 @7 F
]
" t" |7 W% q+ Zset [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 ))
2 B+ w' c) x4 Q I
# n" _4 j8 l6 g9 y) i1 l- A
& H f" A, C0 rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 d! m# A6 T% i4 N0 s# D
;;及时更新i对l的评价质量的评价
) M* y3 O, E: H A$ r, E. h% z$ Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* U' y- ~2 ?' `6 oset l (l + 1)
/ L! Z! i1 S! q]. [( _: k6 g0 ?( c6 x0 o
end. \) k# V6 w7 Q4 n- B& R4 ?
: l9 l: |- z; X4 I4 a" A# ^
to update-credibility-list
; s' A- o+ R3 ]/ C8 ylet i 0" z; r+ `* s5 F& F: q0 {2 l0 W+ E
while[i < people]8 [& C' `% `& q
[
9 @% n) g' o6 _, \ C3 I+ \% U, Klet j 0
* ^/ d6 x" X0 {6 a' w& _/ Ylet note 0 T6 u/ n) V& Y- A
let k 03 w+ D' M) ]$ L8 W' y7 h* h6 H
;;计作出过评价的邻居节点的数目' x( W. h- D5 G: {- v1 _% e2 I# M
while[j < people]8 b8 e. U. `4 k5 a4 Q
[- `7 O- o7 I. n- r! x: U% i6 J6 s; Z
if (item j( [credibility] of turtle (i + 1)) != -1)
, n& N3 B- `: V1 V! V# e;;判断是否给本turtle的评价质量做出过评价的节点( M8 s6 a, ~; r: A2 [4 b7 Q- S) @: A4 g
[set note (note + item j ([credibility]of turtle (i + 1)))+ [( \8 x' Z* L7 O, x) P; d
;;*(exp (-(people - 2)))/(people - 2))]. ]) f/ b$ W9 ?. n) c* z: P' z
set k (k + 1)
4 U; t* b. m- w& o]* Q2 L0 @; R9 p8 K1 B
set j (j + 1)
% Z9 C) @* t4 \/ K]
4 h' D2 g' G( w) N+ b# @4 Z! xset note (note *(exp (- (1 / k)))/ k); [' t m6 M0 M. P7 F- |
set credibility-list (replace-item i credibility-list note)
: ?1 k* b9 P) U& {( z; U# xset i (i + 1)
, h# X5 Z) \$ b6 }0 G/ A2 j. r]
! l, p! ]/ b- r$ n" ?3 b" Dend
* J! b6 \+ Z* |7 r% {: p, x6 K' E; T+ l) _& V+ r+ L' c# [4 O4 P' X
to update-global-reputation-list
4 D/ o4 w! H$ R" O* jlet j 0
( q5 L$ g$ [- T2 r9 kwhile[j < people]
& ?7 d" C% x$ z[
/ S' e5 L- }# r( X" |: Elet new 0, p( L1 T; A( ?9 h% A3 k! I
;;暂存新的一个全局声誉
: \7 J5 n$ E! T$ ]let i 0
# Z% v# E. z) G0 k( elet sum-money 07 n( G9 Y( Z, g! w5 z1 F" q
let credibility-money 0
' a4 T' ^4 }! I7 m; pwhile [i < people]5 x6 T z1 u8 C
[) n: R( Q. r; P6 @ _, \# q( l5 v
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" k! U+ S' {9 z8 f3 a9 Z: H0 ?, ]
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% L- D4 {0 }3 O) Uset i (i + 1)( m1 A3 e3 J) O' E# Y: [: _ Z* Z; t
]
) E& ?' G+ H1 a8 e6 Elet k 0
2 e0 l/ x: K5 Jlet new1 0
6 m+ W: Y5 G' i Y7 q; Y& |& Dwhile [k < people]' g! j! T% `- C' ]) R
[
* z, W) a$ J, J% aset 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 a+ w1 R% B1 y. O2 X, v( Iset k (k + 1)3 k1 R* e. P- b' j C Q+ P% B
]# @ T! a6 E# ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" L' t& j% S, B" `set global-reputation-list (replace-item j global-reputation-list new)
+ I+ a7 J+ w; K3 W! [set j (j + 1)
; Q8 E j( y) t9 A% R: L]9 ?3 {$ z0 |- a8 j7 n% z
end* G" v, {1 ~, `
, f- u0 i' i, _/ Y. T- g0 D6 H
$ u. ]* w( J5 l
to get-color, C" ^. M( a' b* x
, W0 y$ e( O7 i2 G3 G0 fset color blue
# v/ \6 x' i _0 J2 ^7 Zend
" j: U5 x4 U% X5 F, ?6 e" p2 Q) W) q9 n7 b* H# a
to poll-class4 R4 w6 Y. ?7 \& v5 U9 ~' L& D
end
/ h' I, u! s, z/ a% k) _$ B: Z4 [* u+ I, E3 _5 x; f5 J
to setup-plot15 ~+ v: V' X0 l2 ?
' C, A) g7 e8 V5 x: Hset-current-plot "Trends-of-Local-reputation"
4 p4 d% C% A1 q/ w& o
% T8 d$ x3 h" g4 ?6 f& n. t, @set-plot-x-range 0 xmax) K) h( M4 B& t( O
" c# a3 t" r/ P0 e/ p( [- fset-plot-y-range 0.0 ymax
% Z( `5 T! @$ p, }6 Mend& L7 L* H5 f+ B% H% |; Y
9 D' l7 ?- F8 @to setup-plot2/ e5 K s$ ]/ s8 i! R# z+ X2 K, u
# e- F. t/ P4 e& Aset-current-plot "Trends-of-global-reputation"
8 u# a# x- j& ~0 H! v) q
' b1 ?9 j" S. N, K9 Nset-plot-x-range 0 xmax. ~& O/ z7 E% V7 \) _) k1 c
- `, ^9 Q: j- I3 @+ gset-plot-y-range 0.0 ymax% c" b) c, E* ~7 G) U1 _
end
f! n( S# q/ I7 L1 o7 x% W \+ L/ y3 S+ K- H) F" F B. C
to setup-plot3
2 I( g" d/ E/ v, [' k7 }" U! X4 j( l! ~ _" k
set-current-plot "Trends-of-credibility"
. G% ~( V% z- N1 g0 f* }/ S& g/ i$ m1 Q, w4 K \
set-plot-x-range 0 xmax' W s r, ^; k3 @
1 m/ B. Y7 F8 F0 g0 @
set-plot-y-range 0.0 ymax2 z! `# f% o2 u9 Z' i3 Y
end
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to do-plots
0 }/ P# Y/ o1 a; sset-current-plot "Trends-of-Local-reputation"* f( l; w# b1 m1 ^) L4 _6 Y8 H/ B
set-current-plot-pen "Honest service"
$ }# C8 S; A* K' hend0 e6 _) }- |6 K; u- W/ `
6 p9 b6 ^% D* w! `* s
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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