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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( \' p) g/ Y5 S* g6 e
globals[
6 A9 c8 Q: V) |* U) K; @xmax
8 O% W3 x8 d7 A- P1 O5 W8 K9 g c- tymax. f5 n+ n5 W4 s. p
global-reputation-list
0 M+ l: {* l/ @/ r, C/ z7 A, y5 _! Z0 _' F& c! w
;;每一个turtle的全局声誉都存在此LIST中
7 L! [9 `( f1 F: r4 f @% J4 vcredibility-list$ ^& S! W6 u6 ^3 L q6 v
;;每一个turtle的评价可信度
# J' ~/ C3 I9 S- |honest-service
3 ^7 h$ l9 l% Z8 X' Aunhonest-service
8 a4 @0 A5 [4 S) W! M+ Xoscillation
9 \$ P! h7 i( Grand-dynamic; ~6 x9 G, y$ l/ L4 L7 [
]! q8 }5 A# M7 T& f4 D% T, Z
" F5 N# l; i* e lturtles-own[
5 Y0 p8 u4 u. _9 K: F: Rtrade-record-all ?/ w; d/ U4 E8 i
;;a list of lists,由trade-record-one组成
% P( u( {. K; Dtrade-record-one
- x8 M" ]% y0 n7 [5 G8 W- E;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& K5 r2 O2 q& s; Y6 Y: S5 s. W
/ ^9 @) }7 @. {5 c. p8 s0 [$ o;;[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]]( e4 g6 W7 b `3 m( {
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]
$ j7 i8 i* \# bcredibility-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, [) a: z5 s- n2 _' j) N
neighbor-total* t h0 J X5 N- U7 k+ N
;;记录该turtle的邻居节点的数目) |' H7 J Z: T# r$ s+ p
trade-time
2 \3 d/ h, M. J% r! P# Q;;当前发生交易的turtle的交易时间, p. j! k: X1 _% q4 V
appraise-give1 s W8 W v; P1 G1 a
;;当前发生交易时给出的评价
. P& R `2 N% T r' H4 Qappraise-receive
4 g0 y6 L' {1 _0 X$ O) p' `1 K;;当前发生交易时收到的评价2 F1 I/ v+ S4 O% L
appraise-time
) ^% D: l& Q) |6 R5 P;;当前发生交易时的评价时间! a* U' @7 X4 H" A( s
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% m6 Q0 O" J0 h2 w3 y; b
trade-times-total, D6 f! _% [$ E. ]+ D3 {5 m
;;与当前turtle的交易总次数
( t) T9 D$ E/ e# w; r3 j4 ~, mtrade-money-total4 d$ I) y4 M1 q" r$ r
;;与当前turtle的交易总金额
1 A! k' s. ?4 ]( z5 alocal-reputation C6 G: d) T/ L/ p+ d
global-reputation) n' b7 Q7 @8 }: l+ I+ g! \
credibility9 N$ `. q3 N, A! T
;;评价可信度,每次交易后都需要更新2 v1 p" T0 j) L" Q( W: o5 G
credibility-all
% A$ |! m: s' N# y;;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1 ]# ^3 p: r M
3 e8 s2 t" [' y) E3 M" {8 a;;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 L- X4 Y' M2 g# M6 N
credibility-one4 F5 R9 G% G$ U! M
;;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* c" ?" M( u6 E1 W2 j7 c% E3 }+ M
global-proportion
$ \. S9 e) g+ y5 ~customer
9 L8 Q# C9 E, C7 xcustomer-no: h5 S1 j; d) A& {9 j
trust-ok* ~+ Q" p1 ?( f! ^6 Z+ f+ @: r
trade-record-one-len;;trade-record-one的长度4 z# m9 P: u G7 P* M; D/ a* F
]/ _7 i2 i' ^/ J
, B& I$ r. M) B# ~
;;setup procedure5 g: q9 }+ Q& A3 M8 K9 e/ L* R6 Y
9 _3 e j& Q% {, k! [* mto setup2 z. e: L. M0 C& M" [: V0 Q. @
4 g5 P w" ]& m C2 J/ q3 B" yca" n5 t: v# j! r& S+ D1 J8 E
+ g; @0 a* d0 t- ?* Z d4 finitialize-settings1 I8 D+ t$ u" I; h
3 ^2 t4 q0 V2 }' w. Z& k( dcrt people [setup-turtles]
; @7 \0 r; j. ]9 D+ K, R* `% `* N% Z# s
reset-timer
/ m( x3 U/ D# J( T( g
* k( w0 V: f0 F9 K: y/ Q! w+ U' N% h% upoll-class* I5 |" z: y4 B( x/ A
- B9 d- L ^$ `" ~1 l& Nsetup-plots" g3 m0 {0 O2 L; {# o& D
6 F0 R- |1 X5 w. G* ldo-plots' N( j* Q _* L* C _" ^
end+ `' N# m6 b6 p$ D: |# i# h3 a
+ ]6 X E, B. {. R/ V4 sto initialize-settings
4 L% b' ^. ~ ~: a6 @; z2 R' Y$ x# N9 e; P
set global-reputation-list []
3 _6 a! T7 N7 a3 V7 `9 Q) R: G! @1 e( Z
set credibility-list n-values people [0.5]
! M- t1 O' R! E, Q
0 j) ^ y4 W4 ~! c- A) \% aset honest-service 0
8 ^% @ Z0 ?; M1 w2 Z. z: d
7 O9 q4 j0 @- u; }! Cset unhonest-service 04 t# ?, F' W4 j; R6 Q! H. y9 v$ S
8 A: A, m7 v$ z; E5 p) |2 o9 \% Dset oscillation 0" e5 W* K4 f+ o+ j& _ n) T& P' p
+ G4 m9 i0 g& h- n: mset rand-dynamic 0
% @' ]6 S d7 R6 Y5 W2 z4 h& a5 M; [end
# z0 O3 h' [" n0 u9 A2 v n: q- f" G" v% w
to setup-turtles 9 z3 O6 U2 g# c& K& o& U" c' W- ?
set shape "person"
/ ~& h$ _# h. S/ G( _/ Ssetxy random-xcor random-ycor
2 F6 Y: Z0 b! I+ f, }+ Qset trade-record-one []- u' `$ I& w8 R
; f9 X# j& X$ |; }) b5 s6 y
set trade-record-all n-values people [(list (? + 1) 0 0)]
- z: [$ m: F, T, j5 l( _6 A: P) r( C2 a+ D: `) a$ z
set trade-record-current []: b4 {$ k% B3 [- ~* O" U' S
set credibility-receive []
% a* H" n4 z- n2 a( S1 pset local-reputation 0.5
$ y7 X7 _" T$ f3 `8 tset neighbor-total 0* l* b$ ?% l: O$ c0 ]" T
set trade-times-total 0
, c3 v) h3 R) R( B( S" q3 |set trade-money-total 0. l6 C8 W; _( ]+ O5 h
set customer nobody
, e& k0 C+ L5 @; g& hset credibility-all n-values people [creat-credibility]1 W) @/ h+ a. {
set credibility n-values people [-1]
0 c5 G8 \4 Z' j" Fget-color
3 F1 \$ U% v7 w K" j. Q
$ ~/ u/ m9 F7 \9 s5 O2 Uend
! J/ a% W( q( d) ^7 L3 ]) [, w* y
4 ]( q+ ?. |+ u1 `/ @0 Bto-report creat-credibility3 S# f$ h2 G {5 ^/ U6 H# G1 |& ]* e1 [
report n-values people [0.5]. {; `/ a; ~2 L# i. L1 l
end% o1 {$ b; m' s, l- m3 l
6 D, K( w3 r' p1 F. y
to setup-plots. G# G( D$ Y* S+ R: x6 A
7 B7 q2 y i+ L) ~2 P Yset xmax 30
+ m8 v$ {; s/ h- j' \- G3 L# W' r% s3 n+ z
set ymax 1.0& E3 d* ]( u. Y9 d- f! R
: T& D$ i! A& A0 b9 Cclear-all-plots
+ J; l3 E+ g7 J ^3 k! c* ~, E$ G6 K0 r7 g
% E' {+ O( s9 a! m" }/ t2 Qsetup-plot1
6 S) |8 X3 Y7 `/ T* @
) g9 T% [. A7 ~; V8 x' B5 y. qsetup-plot23 ]4 O0 J/ a! a6 o! X
1 q1 X, a' @( w4 gsetup-plot3
7 P1 {- F3 y" [8 `4 }4 Bend2 c* l# r$ U6 V5 J1 r1 u8 S) l$ W+ L
9 g5 a$ [* {. c;;run time procedures
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& y) ~, ]1 K7 z6 {& V8 x$ Sto go
( X4 z9 n1 D/ B1 m
" f2 o8 \. M6 D* V/ [0 Xask turtles [do-business]
7 G/ z* w$ P+ x h) N* Vend
1 \; |& r/ K. q% D
! E8 x3 Y4 b: A7 S- J1 vto do-business " n4 _, d' b% l, m1 e- ^" U4 @
$ w0 W/ Z5 W6 b# n8 b
' E) g% c% {* F# m9 E. Rrt random 360. Z. h$ z7 \" w6 q: k! {9 @
% g/ C7 f0 b/ W( ` Xfd 18 h" S. h% ]8 v& q; O- E3 Y( [$ T
6 t7 V8 k* `& I$ Iifelse(other turtles-here != nobody)[3 B3 C: G. Z, B4 a0 g# j( A+ H
% u3 R8 {; E2 I- i) Dset customer one-of other turtles-here
2 D6 i) J* q3 y& A8 `) y9 r: T# e J0 p4 P$ @+ d
;; set [customer] of customer myself$ M+ @/ i/ ^/ F( f% a
) `8 v- F4 a2 |5 ]$ y9 T
set [trade-record-one] of self item (([who] of customer) - 1)
. m) `; e- ?9 W5 K8 }- E: Z[trade-record-all]of self( U1 f/ A3 u9 @1 O! \
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 M5 B4 V1 _8 } Y, Y6 X, _, p
f x" t7 O {) Uset [trade-record-one] of customer item (([who] of self) - 1)9 |1 |# g) D5 ~& U k0 r) z
[trade-record-all]of customer
2 L/ L+ o1 \; ~9 G) k5 B. K. p
) H& W6 Q H4 F( Iset [trade-record-one-len] of self length [trade-record-one] of self- A. R+ l# o" v( {
* e$ Z5 b/ s+ b- T: R$ G( G& F
set trade-record-current( list (timer) (random money-upper-limit))
! y# Q5 _3 H/ q
# o" e/ J/ ~7 B7 i! M- B K( L- Task self [do-trust]7 k+ M. ?) T% Y
;;先求i对j的信任度" N* T1 [3 D/ ]+ u1 E
: m R$ V% D" y$ j$ \! h
if ([trust-ok] of self)# W" J+ a+ j# l) }9 s
;;根据i对j的信任度来决定是否与j进行交易[( P3 s+ p7 H3 ]/ G6 [/ ?) Q0 @3 }
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. B' w( B3 }$ J1 F9 x
8 s- A4 x E1 i3 p5 G' }: s- D0 X
[
y# Z& a+ H( g3 k H( V' J8 g; D/ `% V+ P! C [. V% f
do-trade
0 X& m/ y( b7 T8 T& F4 e) j. L# j/ F! ^ \
update-credibility-ijl
$ r$ {9 f+ A1 p' S- q
1 U. W5 }, B( G! s* K3 A1 Pupdate-credibility-list
' ], k, G4 r# O( Y9 F" O; B
/ i9 v4 ~- L+ T7 P+ Z) g8 i7 z4 z0 f* I& N' x6 J/ S; ^5 ^- n
update-global-reputation-list* D( ` `# Q% x
- M& w+ a1 Z1 i1 C
poll-class
C$ G8 u6 S0 c" L, L
. O- k* v5 D3 M1 T" W' qget-color" t; p# `1 s$ c, t4 K! s
5 Q1 Y6 K( w; K" Z" c
]]
* e" W, F' b$ ^8 ~
: |% X( H' U# E% Z p;;如果所得的信任度满足条件,则进行交易5 |* s" N& q8 {' _; z) F
; N; c+ q+ j V: w5 l
[* d3 j' y, R7 _# c) r8 E7 U
4 [7 }& a" _9 g7 r( v |rt random 3605 ~* K/ C0 s. Q7 @/ o. [- V
; N% y8 ]3 J+ U6 V( Gfd 1* e0 A8 ~- e O
: ~: d8 c; G: v. O) Y7 b6 s0 N1 i
]
. b7 J, y# ?) {& v- P5 E0 h1 ?# ]5 R9 o' k1 j& {) T
end
6 O- y, B! A$ U! o1 d. i* s( O E& [+ _4 }5 d
to do-trust 6 a4 p T, L v4 h0 }* R
set trust-ok False: S5 [8 r3 i2 |( n8 s9 |* k; e7 E: x
; o6 q# W, K, A
3 k6 R3 y1 m# [5 x; w5 S" Llet max-trade-times 06 b) B( p( d4 D, W8 r
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! U! E3 X5 M- R+ [0 I9 `let max-trade-money 0' _7 C9 U! A" s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# f( M/ L9 r' C1 P; f7 l2 ]
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 t6 E4 w8 _+ y9 W$ Z) g/ t) o' R# n, V. t& e5 b
" v- m! J* t$ [% N1 ~$ nget-global-proportion# P# {/ Y. T; k% X$ J2 |# U
let trust-value' c! v/ {, V9 `* x' Q: v
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)
" }% E3 ~' G$ u& n% A1 R9 E* Cif(trust-value > trade-trust-value)
* K8 I) h+ @: N' }9 L5 D[set trust-ok true]1 e" O) ^1 V$ R
end
+ a E6 ^2 O: d' l' N( ^* z4 f6 q, \3 U) ~, z7 k
to get-global-proportion
3 P, {2 [8 [! W. zifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& c* p3 N8 ~3 x; q9 q3 D
[set global-proportion 0]
9 J% ^/ g( B5 Z) B O[let i 0' m) N& T: \8 v6 L6 @7 [
let sum-money 0/ Q0 x8 l: q8 N2 u. B# Z8 v5 V$ G* a
while[ i < people]
+ p# ^6 L) p" N; @; w' {9 C[- s6 q0 @7 L4 ^9 ~6 J6 z$ r: ^9 r3 E
if( length (item i
5 T5 b7 j! `; y3 t: \[trade-record-all] of customer) > 3 )
8 r- I0 L9 e' |. C[/ w$ }1 C# X* m! ?* c$ j
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
) ?3 }" {" o; c; L2 K]
0 o; B' h; P" b- T( h]+ @, u/ @7 N/ T/ b$ I
let j 0
. Z2 r0 F1 F! @1 slet note 0
b* E; V' ~ l) s2 Qwhile[ j < people]
! f Q+ c" G7 ]: |[
6 P1 e' d0 r( V; u6 t& W1 p* Qif( length (item i
5 S3 J3 G, p/ j[trade-record-all] of customer) > 3 )
k8 m" N% L$ I+ V! @# s[
6 q6 I8 c" n+ `1 w4 \ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)6 Q) Q; p' Q) l8 }! v2 M
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 f9 d5 i* J. X4 P$ k( D/ t2 U# I A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ Y# _2 {5 }. W/ ^! m/ e
]; X8 R5 ^: n6 x, a+ t4 D
]9 I0 T( _( n7 ?) `2 N( T
set global-proportion note
( e# `: A8 ?- }: p$ Z1 @]$ i3 n2 [( ^ I/ ~9 j
end6 x7 F1 p4 z# x# G2 k! P+ L
! r: t/ O- M8 ?$ V- n0 A" W3 m. ^
to do-trade
, x4 T/ M0 h! Z& [3 I: |;;这个过程实际上是给双方作出评价的过程
# ]4 w: z' @# t5 _2 k7 @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ j& Q( b( \- A7 V( ^9 Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! \# v; I1 E. P+ x$ `2 E& i4 T
set trade-record-current lput(timer) trade-record-current
/ ?6 q3 \: c' J, d! E; M9 d I# `;;评价时间
! P. S3 F& m7 Z7 |* cask myself [8 X1 p0 u& ]$ _% P! ?( b5 H
update-local-reputation s( G( Z1 [ [6 o+ |" H
set trade-record-current lput([local-reputation] of myself) trade-record-current
l% w$ A3 R7 x1 U5 \& a]) C/ i' ^: b1 O7 z) v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 k) Q5 ?' o7 c- y7 u
;;将此次交易的记录加入到trade-record-one中" j; b) l& w/ H2 j0 X9 p; L+ F
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" j- ~! C8 s+ h j* \ g' ]$ \ ]) dlet note (item 2 trade-record-current )
. H8 x- b( f1 S* G9 B& m# Oset trade-record-current
0 x" \2 X" D. ~% Y/ r( P; H(replace-item 2 trade-record-current (item 3 trade-record-current))/ d, @! E% K, f7 X4 `0 |
set trade-record-current
, w/ D6 u8 t1 r" ~; S(replace-item 3 trade-record-current note)
: F" Y+ O7 Z: j
' h! G: K0 g& \# Y- X$ ^; c: U$ U
ask customer [5 o' x4 ^1 g" R. ~ g
update-local-reputation
( e; d( v( a: o; Y8 F6 `" ?set trade-record-current/ {7 u3 b& W5 y Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) # C4 B6 @8 e5 i" } B
]
/ M% T" i$ [& ~9 Q( N |
7 D; V" F; C) p
4 c8 h6 m/ s* Tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) D/ g3 D* f1 W1 d7 H$ k! H
9 J0 y) @1 G/ Y/ _9 e! p! B- A
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 h( ]" _% z2 Q7 n$ c;;将此次交易的记录加入到customer的trade-record-all中
6 N4 j7 g4 m% `- n, l' gend
2 Y" Q) m: {# H7 F( H
2 K8 z: _( q4 ]4 j# q& J8 mto update-local-reputation
# X' Y& { G- D+ i6 Zset [trade-record-one-len] of myself length [trade-record-one] of myself! g; V2 ^4 s9 S! K# t
3 C# N/ n4 s3 m6 v- p4 |
- S7 F0 q" ` x" k* I
;;if [trade-record-one-len] of myself > 3 ' d2 B1 z* A( i' z
update-neighbor-total
4 K3 E" i0 o+ I+ Y! v# ?;;更新邻居节点的数目,在此进行
6 J( ?! Z* t: ^" _8 U/ c7 ?6 wlet i 3
d$ W3 r' v1 n9 Elet sum-time 01 Q2 n# M3 F2 Z v. v" x& {* H
while[i < [trade-record-one-len] of myself]
! f1 j5 ~4 j! u" ^[' f! \ `. J& M7 a" E0 R4 p
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! N& x1 v; p; W O: Z) N( @0 y" vset i
# o4 w4 b# B9 V9 l4 p, {( i + 1)/ S& q0 X/ R8 ?+ t/ C, q
]+ X* q; V* C; Y. c' j
let j 3' \( K2 A) H6 |
let sum-money 02 G+ e/ d8 ~2 b$ A) Q7 A
while[j < [trade-record-one-len] of myself]1 w0 j: y, T( P: g4 l" f' k8 H8 u, |
[ z+ Z1 b2 A% b! L# x, r
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)
# C( y' j! x$ O* p( q0 D# }set j: |' I+ T8 f1 `
( j + 1)
3 d4 c6 {3 f8 I, \]( w, o0 ^: q8 G, i' ]
let k 3
4 [6 r3 |6 Q8 N3 F, N, Ylet power 04 U Y7 k8 p) K! E& W
let local 0- J C5 x8 d5 Q0 O, i. u2 N
while [k <[trade-record-one-len] of myself]
7 f5 [9 s+ `: K% ?+ [% p[; w5 e9 s$ s# u" j% Z
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) # Q ]( a- h$ K4 F- S# U
set k (k + 1)
o" B4 ^& `! {4 I2 i8 {& l9 c' r]
- U- K g) ^2 D3 Uset [local-reputation] of myself (local)( G0 t- `! z8 U! Z& A! N# f0 |
end* t4 i8 ~9 Y3 M1 _3 M; r& O
, X9 ^$ k4 j- @7 D2 v/ J6 f
to update-neighbor-total
# F7 |( K1 t2 Y7 i) |; X/ i4 O( Y7 K7 U I2 w( |2 z5 y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 i; F% S3 P# a2 J5 ?6 V: s3 T* h8 b; j- _8 J
; G% g* @. O8 _5 Y2 T7 S- d
end
9 w# B# U d6 S' x% k; a5 |0 R$ H8 A6 k8 w2 A# V
to update-credibility-ijl ( {0 n2 H& t% L5 L
7 Z D9 e3 ?. S# Y- K% t' `3 Z+ O
;;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。
4 K0 d( E& j" t3 L# n. Qlet l 0$ [1 Y# M1 l1 T+ ~
while[ l < people ]
7 P: ?; V' r$ b! h2 M* t* G z;;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" W; o6 e; z* T: }1 A. Q1 w; h) G( J# a
[
& Y' z8 e) @ ] B7 |$ y3 rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 [- O6 v% e3 @" P; P8 S. _
if (trade-record-one-j-l-len > 3)
q* `6 K! i, L[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
6 F0 k/ W6 c+ c4 g8 Rlet i 3# F0 |# G% }* |& e9 @, t
let sum-time 0# G k) t& V8 Y
while[i < trade-record-one-len]
- F$ f( f9 R8 X$ ^+ m. ?5 X[
8 O7 @" ]" _2 t# e$ j3 Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# U$ [9 Y3 T, Jset i6 [# s+ _* C5 ~- p
( i + 1)- _, w$ A9 u) B$ q9 C+ `6 X( K
]# J' l, N* x8 ?$ M$ |( B
let credibility-i-j-l 03 K8 g9 N) Z8 r- x, W+ {8 ^
;;i评价(j对jl的评价)5 H; K9 b7 x+ T7 b$ z3 X/ ^; \3 [
let j 3
9 l1 Y6 V; C3 M& |$ k/ flet k 4
/ e( d9 {: S/ P8 B; @ |. }, d$ Pwhile[j < trade-record-one-len]7 x4 Y, L, o( C- O! M2 y; \) A8 ?
[& ]( p( y9 L0 z
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
- x6 C0 ^% u7 Z, a% V! Yset 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)
! `- B0 C: h, ?% z& ~+ W" vset j
+ L; E; `5 e9 E" p( j + 1): {+ B/ ^, B ?9 _/ a. D) {
]
6 m4 n1 A& G7 b1 a' P; [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 ))
" L& T. P( F+ j
# C4 |/ u) g. |( P8 v: U9 s
9 m5 `. Y9 \! l* k! X2 I2 Jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
* A2 S! A2 W7 c6 t9 };;及时更新i对l的评价质量的评价
' Z. a Z* Y tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 t6 ~$ m1 _, tset l (l + 1)
* N$ Y; \* ], o+ Q, @4 {9 m* @4 i]
' _4 o! Q: e# a/ l. Gend
' x+ y r% c# @
. W0 E2 p* o6 z( x, a% Sto update-credibility-list) I3 h( p) O/ [& F% n3 D
let i 0
' D: |: i8 c( H; N3 Nwhile[i < people]+ g% v0 {- w7 ?# ?. h% H0 U" p
[0 |8 |. C0 q% Q
let j 0
% w% l7 d- o4 D3 b6 S" g6 Q0 glet note 0% ?8 D( i- ?# _+ s1 W, {
let k 0, M: J U3 Y3 j* [$ C3 M
;;计作出过评价的邻居节点的数目* z" q( ]! E- b: d9 G# m: }
while[j < people]
; L. J1 y& I$ S1 L4 |( ^[) F( O j4 f" o: M- A5 u9 t2 ~& a
if (item j( [credibility] of turtle (i + 1)) != -1)
- W. F- \: N5 @( }( c: K, };;判断是否给本turtle的评价质量做出过评价的节点4 h$ ^. f+ X0 U1 F' K
[set note (note + item j ([credibility]of turtle (i + 1))). `* g ?) a. x! v' p
;;*(exp (-(people - 2)))/(people - 2))]3 N {1 @4 P% A8 B; e
set k (k + 1)1 j* }) C5 N/ G+ y- p2 P O
]9 o4 C X; F' ^6 C; L
set j (j + 1)% x0 P- {8 K) m0 ` [1 w. w
]
% U$ W5 `% b3 @. F, k6 O n% Iset note (note *(exp (- (1 / k)))/ k)
! m R' Q) I+ eset credibility-list (replace-item i credibility-list note)
/ A( [* h6 p8 I5 Gset i (i + 1)
& z) X8 r% n& t X7 M]+ m+ V3 @0 ?+ D a v- ^8 B9 U4 g3 s
end
- @( W1 x7 P# W6 Q8 P
' l- [( l1 Y% t" Cto update-global-reputation-list: s; x# @3 i7 A8 F& p
let j 0' A z2 p U, b2 @! R! l: C
while[j < people]8 L- R# R) O( I+ J* z/ x
[
1 s4 s/ M! ^, H2 ?: q2 q9 D. q; Zlet new 0
* N( q ^+ l! y;;暂存新的一个全局声誉
( v* S# f. S4 F8 H% Qlet i 0
& P; `. f. \/ R) M' x$ D7 ylet sum-money 0
5 [) s. d) `( R6 G6 Jlet credibility-money 0
- P$ `- K5 V2 A) z' Awhile [i < people]
) A- X) Y& S/ V4 D! \5 N) |[
' {# t; y8 x7 pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); X. Q0 f7 g0 v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))5 U) |9 L1 L- U* u6 {8 z* r
set i (i + 1)( b H# z0 L( k) q: F& W
]
. C% e& Q! p! L9 glet k 00 ^* U' ~$ A6 e2 d. {0 K
let new1 0 w/ \$ M* L- T* i* T1 Z' I* H
while [k < people]* ` o. m: c. \, } W3 t; D2 h& ]9 |
[
: i& D& S: D W' e! E. iset 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)
' T( y4 L* g0 d% Y# u( T. C7 Z( Jset k (k + 1)
4 f. O4 B1 ]9 O) T+ E]& a: A% t5 J' M+ h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 R9 T; ]4 h: M* m: rset global-reputation-list (replace-item j global-reputation-list new)% t1 v7 P. f) S: p. L. N
set j (j + 1)9 H, O( _4 i# a' E
]+ X& R; z( Y D
end
1 m# T! s' N5 x9 W
) k# y9 Q( N) @! i: Q) V
1 }# x3 N+ g1 C8 x+ X7 w: v2 E: V8 e3 X$ a
to get-color
9 q( y: { B8 a, ~9 p n( Y! R$ k
set color blue
0 Y9 T" b$ |- g4 {1 Rend
3 g: p8 e9 S. T4 @; v e6 W9 ?% c5 z* Q8 k4 |9 \! |+ d- A8 j* P) }. e4 A
to poll-class n+ Z* p! j9 Z& m! o/ W
end% q# p: ~$ X8 g) Z5 d
' F1 u+ J$ a3 c `to setup-plot1
" O+ s* ]- z( d
7 |9 e# y0 W1 L: J" L( w. Lset-current-plot "Trends-of-Local-reputation"0 p1 q# h0 h* \0 ^
$ c7 P/ { b& i( ?# U) a
set-plot-x-range 0 xmax' y! M' ?( n. i- A4 B4 L1 A3 I
$ k/ p( }1 X( U n
set-plot-y-range 0.0 ymax
# F X) ? ^% m" L# @end2 ^/ D- |# k5 h+ ^' j) O3 [
2 a4 O2 l7 |$ @1 p: ^; J
to setup-plot22 r8 F' i) ^. K5 ]
5 w# k) {, M: Z1 a, S& eset-current-plot "Trends-of-global-reputation"
) n6 p8 S5 A( {- b0 Y
{8 \8 g9 C" X k9 kset-plot-x-range 0 xmax
9 z, @% U5 i* b- v7 E$ t
0 R9 @* ]1 O- A1 d6 {set-plot-y-range 0.0 ymax$ c8 D2 P* C ~4 X( G/ j- h
end
6 T' g: U( u! {9 c4 u) W
6 C8 k. r# J) A/ O, N Q1 Lto setup-plot3. t' Y2 }2 L7 F) G6 B N
% t( [9 e: r, y# ]! }set-current-plot "Trends-of-credibility"6 r- q6 h; R0 E7 N3 N& D4 N, |
G0 Z& ~- p N& G9 J7 y- dset-plot-x-range 0 xmax
$ J2 ~% s% q0 q% o8 g2 {8 F
% `0 ]* t3 f" J! e& l) wset-plot-y-range 0.0 ymax" p) g" g. U% t( u4 D
end+ R F3 x; i8 l, g0 m+ j% f5 I
. `3 v& Y( m9 `& t* sto do-plots5 J+ Z' Z. n$ O9 z' b x
set-current-plot "Trends-of-Local-reputation"
2 H2 k* M: y/ @8 M rset-current-plot-pen "Honest service"
" t: ~/ A; u: Q n: ]+ g0 F* K/ Jend
" r" m0 l# e+ e# `9 R& M3 v8 i. h7 a7 l% b
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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