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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0 a% C8 C8 D+ t( \7 j4 W7 h
globals[
9 o/ `& _8 ~1 j' o4 t- Exmax
1 [6 r( @: n/ vymax* ~) \; R5 f' _
global-reputation-list8 X/ b% ~, N; x8 R' I
. a, }! Q! o# h# s+ [;;每一个turtle的全局声誉都存在此LIST中9 g+ \. O& o* Y3 M: N2 f8 U4 {
credibility-list9 A5 p/ Q# ?3 h
;;每一个turtle的评价可信度
! ^! x& U1 T* Z" e& zhonest-service
D* Z( u4 z- n" C& t; l6 eunhonest-service$ Q* y8 s( y# E) G9 ]) L& l1 r
oscillation
9 r Z+ S) Q1 j3 W) V4 V* zrand-dynamic
7 w7 Y, k: d" I2 ^3 h]
- r% [9 j/ m P( U
) R3 j+ P8 G: ]; w! D {turtles-own[
* ~: ?! I0 A& Y! A6 Y+ Utrade-record-all
# a# v+ ]+ D6 {% t% G' \' P;;a list of lists,由trade-record-one组成3 \6 F$ o8 s' Y( L
trade-record-one
8 P% I8 _) h5 ^* d;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录- v" B' A" g6 ?. e: R
; V, f p. G ~. |: P) }3 j, Q ~
;;[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]]
6 F' q; h% X1 R. B0 G# ?1 ltrade-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- g3 h. {: jcredibility-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! U9 M. [- I' X; y$ _
neighbor-total& ^3 m- s' k5 z
;;记录该turtle的邻居节点的数目7 B0 w8 W& n& b, w" i6 D
trade-time3 i, |5 L6 `! r; }, w
;;当前发生交易的turtle的交易时间- w2 m3 l% t, N7 X
appraise-give; H2 u; P) v) u! T5 a2 f+ Y v
;;当前发生交易时给出的评价
- Y7 s8 @. y' e G. Y4 h4 Kappraise-receive L8 B# D3 I R% @" A, S
;;当前发生交易时收到的评价0 ]& y# Z6 n) W0 H7 {
appraise-time$ B2 I( J0 Z4 B1 ~' w4 O2 a/ g6 T2 Y
;;当前发生交易时的评价时间9 V y- n$ q7 E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) Z9 U& d/ ?( u$ l
trade-times-total
2 h$ r; u+ l# e4 k( a;;与当前turtle的交易总次数
- z- \* z6 h( p2 _4 N a c! wtrade-money-total
4 Z: J3 _. D% @3 O6 q5 ~;;与当前turtle的交易总金额# Y9 b# W: [- ~4 i, v
local-reputation
+ h$ Z9 b# ]; ]* |7 Mglobal-reputation
5 i# t2 h9 u" Q3 `2 N2 K0 i. o* Scredibility0 f$ d) F H J5 k- j* n6 \
;;评价可信度,每次交易后都需要更新
5 s0 Y) }1 p; m/ ?1 K. ^credibility-all
" E( U- L( x8 N" T: K;;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 g! Q/ S. o% N- c! g9 f5 @$ z9 N; D% f1 Y
;;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0.57 z7 C, m* j/ b C
credibility-one6 W+ ~: S; j7 f- g: ^( ^# F
;;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
+ f' W0 @. d3 u: M# z% e D6 oglobal-proportion
( k5 N( Y7 S! Ncustomer
! I3 x$ o& O+ [. W! u+ r$ c# pcustomer-no
$ x0 W4 o- Z" S; m) u. f3 _; Z* Qtrust-ok+ \( L$ K' ^: v4 h! w& b
trade-record-one-len;;trade-record-one的长度
! A+ @4 t& c+ A0 @5 l t]$ [. ~ I# {# Q. d; ^
6 N# ]* H& U4 M/ x# Y6 \! H T, Q
;;setup procedure
h7 n8 H2 _, m$ `; x7 G9 | F* ^+ Y9 ]4 @+ w2 I; H$ I
to setup
, ? w* e3 {" t/ ?1 ?( B" G4 Y, x/ D6 F8 G: P- c8 D! e
ca* T, G* _' S$ } l M7 T, g8 o0 S1 G
6 o5 J6 |: C$ X1 y
initialize-settings# y, S5 \* J7 T
$ _+ s7 A# o! }$ i
crt people [setup-turtles], \6 q/ }, y" e4 b6 |( ^
: B. `0 o; r4 z0 y( F7 d, R
reset-timer, w _ q5 Y: W3 [$ \ p
7 B% s9 _) z# }/ Q
poll-class
1 ]7 {, g$ q3 d/ M- w
2 r; v* n- `2 A$ X; d0 Y% K0 tsetup-plots' A: a' d/ [+ J' W4 ^& K
2 W3 x1 w- F0 d# ydo-plots) `! M6 v# z+ a/ R" S
end
$ S+ }! K0 `, \ a: e' o0 d
x7 G9 S' L# F' Xto initialize-settings
- x k8 M7 g/ @- K. w# E
; R$ K/ Q# ^1 r' {7 Z! Pset global-reputation-list []
; a8 I0 R* e# Y& C& D
3 Z- k$ N* q$ v: O) P! F% p" }' hset credibility-list n-values people [0.5]0 R! O d) ]9 S- V
$ D6 U* \4 C+ T( t! _' K
set honest-service 0; N$ S" Z5 F. X$ P2 z, O0 [
3 b2 g- A: {' t8 t9 Jset unhonest-service 0
9 E- K) W* c: l
/ {: T" }* _8 C/ d9 l( a5 H- lset oscillation 0: b; E! Z+ l2 f; z8 w0 d! h
2 Q- y8 ~4 a8 z' m: u }7 Y# }set rand-dynamic 0
4 w# X, }, n$ kend) D, V+ |. p0 ^6 H$ m# w) t' v
( L9 k3 q5 O$ ^' J* P, q* i" ~1 k
to setup-turtles
$ s& r$ a" }6 L8 Tset shape "person"
6 R1 K8 j8 p+ d5 rsetxy random-xcor random-ycor$ Q, S! [# B( t# @" @: {1 f
set trade-record-one []+ F5 ~0 P( D5 a1 i& k; b
4 J1 e4 D- V1 A2 p2 V' pset trade-record-all n-values people [(list (? + 1) 0 0)]
) i5 C, Z' v+ r3 r
* H( q5 s! g3 H# K( \, `; kset trade-record-current []
' s/ p0 R. |: M, I" lset credibility-receive []0 H4 p9 f$ w6 S6 X
set local-reputation 0.5% R' g8 z0 F$ p8 l0 ?
set neighbor-total 09 I4 S; h7 A4 V' d+ D* A
set trade-times-total 0# \$ L9 |$ C) U! o- N" X0 g
set trade-money-total 0
1 J8 t7 U/ W0 u$ U4 X Eset customer nobody {) n8 w8 _$ T$ L6 Z8 R$ e4 m% ^
set credibility-all n-values people [creat-credibility]+ W/ k0 O4 W" k7 g- p4 w3 |$ u
set credibility n-values people [-1]
! g$ P( u6 [- `3 dget-color2 ~8 Z2 V+ o; ~7 U$ }' Z
% O, q, s" _! [; _
end
, [" k5 R# q% F n/ v) I
8 |, K" Q- E* n; A2 K, M) a7 M/ Yto-report creat-credibility
# I1 A% ?9 f" C, ?+ Oreport n-values people [0.5]. O4 x- Q7 o* X8 y, ^" E0 h& {
end% [4 F- C5 W4 O- D2 b2 N5 k) D
+ F+ [+ D* g+ z' ]. m ~2 l
to setup-plots
6 g A$ H: v" Q/ `% h
- G8 \) U" [2 [' `" y6 Q! R$ Rset xmax 30
g5 Z- |- ^! Q2 c
4 ]: S& m- C# qset ymax 1.0
! X" U. V+ s4 k
/ L4 X# Z' A0 `: t3 w' f) e1 U$ M5 Aclear-all-plots
' N- D( F# c/ @$ m P) S. v8 p+ m
3 ]: N! @( z! u( h# p) j8 f. U+ |7 y' Rsetup-plot1
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setup-plot2
$ l$ h% \8 x+ t% p1 r, Q, ^( |
! e) K) F* N1 O% }# Vsetup-plot3! m( O1 { p9 j7 o0 p
end
# X7 w6 J5 I T' ^& ?
0 V( l) n, w8 f3 \* A;;run time procedures; Y v9 }0 U& _' M( X
2 u, m) Z1 W6 m9 m2 ~2 k
to go8 L, e) ^9 ]/ I/ q0 r# |8 R
# I# g8 b9 I, B* `6 aask turtles [do-business]
4 E1 l4 s' e+ P7 z. d0 |# q; D. tend7 D' K7 f! s- L8 ]# t
# {+ s8 a$ j! k- ?: p% T0 Y# p, zto do-business ' o5 w4 K3 c. y" V" E
- ~9 k/ {$ u6 y& g6 t3 o
9 l2 d/ I; D: G% W4 @rt random 360
2 w5 p6 e" B- @3 P- G" w8 ]
, `* `* U) f: N, a" Afd 1
, G o9 L# I4 |, G$ }/ a2 q1 Q
2 v. ^9 ]* n$ D, L& c. I Z& Qifelse(other turtles-here != nobody)[; Z9 ]" o8 E- f/ J
( \: J8 ?6 O ~
set customer one-of other turtles-here( `+ O+ k5 b9 s! c: R9 J! Y: P8 ~
, q% x# ~, b% `7 p* D' @8 m;; set [customer] of customer myself' U9 p. o# v) e- R& B5 X! p
& [; z+ r# i/ o, ^/ |) A6 M3 X
set [trade-record-one] of self item (([who] of customer) - 1)
; l! O% x' e. L" Y( H7 z) r[trade-record-all]of self# c& G) P! C8 o }# Q3 i2 x# g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ c$ M8 K# K0 H3 b! a" ^! P- @( g! I3 ]2 ?- {
set [trade-record-one] of customer item (([who] of self) - 1)
3 a% {4 R. f- _[trade-record-all]of customer2 E! ^6 y0 v6 a1 z8 x
6 ]: n. q8 u% l1 F, Y
set [trade-record-one-len] of self length [trade-record-one] of self* |% \) @" L8 Q
1 _: m3 f$ ^( x# l9 M* z' oset trade-record-current( list (timer) (random money-upper-limit))
6 N( R" L3 |! v9 f; g# w% A, Z
: m3 C5 m* C, d6 _6 bask self [do-trust]7 W3 M5 z# r( B6 s2 a- n
;;先求i对j的信任度
2 }; p2 e* s8 D( K4 a
2 n+ x# O, N9 r; s& w1 ?. m2 pif ([trust-ok] of self)
7 ?, J# q! c6 w* U8 G4 r0 J;;根据i对j的信任度来决定是否与j进行交易[
4 K) y! n$ V6 S6 P, ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ p Y1 T: ?3 f* B" w, g5 i
" w; B9 \' o2 n6 v% m: s
[* G4 {$ J* v% K1 B4 X$ H9 \( P
j! J4 ?+ I: odo-trade. ~0 p% V& y- c
# @& @& f4 C% q2 c1 x& @. m; v8 V+ supdate-credibility-ijl8 V( T; `% c/ i+ c& z& x& Z4 h0 k
& G c/ Y/ j# F1 u' C9 B; m. Wupdate-credibility-list( v7 n0 g9 h; \0 A) ]5 X
, r2 S# G( r8 m( I- _5 y2 C
0 [/ a% p0 j7 Aupdate-global-reputation-list: h- B. G. W4 R6 C& W( c
! N1 c1 T2 a$ x, _& t
poll-class0 o+ A) L2 F. q- L4 W/ h
8 ~: H) k. _4 wget-color
( P% l7 d. Z6 F5 s% K/ q2 l9 @1 u7 X& ~$ k# J
]]
D( |5 S* y! Q! y s
( V, c# m) T. S0 @/ z# |;;如果所得的信任度满足条件,则进行交易
y, C* ~, @4 b; v( R1 X/ F
# c1 m: g0 J Q7 `[
_' @% F, [ Y6 _! r8 a8 |+ w5 j7 |7 r7 ^" y
rt random 360
* I' O: s% C' S2 Q7 P/ I, A G: L8 g5 S6 {: B
fd 1! T9 |6 q- F) S$ q
! P$ z( q( U/ a" ^! c- h7 m' v
]
' k9 _, I; u+ H7 z' F- d! F& w! I; q/ `5 \# O; F5 Z
end; q% }2 f! p B; @* `" n
: c& Q+ D3 u( K$ V5 Cto do-trust 4 z% `; s: K: Q! x" E8 {0 t
set trust-ok False
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- s, T# x- o" r' U% x+ ]4 w" b) @ n/ q8 I p
let max-trade-times 0! q2 v7 ~! T9 H- i J: a( W5 c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( i5 N7 Q9 i9 r6 q" e# H# u
let max-trade-money 0
# g3 A1 s) Q! O$ R: Nforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! V a2 V, M0 j; P. jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) T q3 r+ h. _3 z
: W2 H4 A( A' a+ w9 W
5 D! y2 {% O! r9 Y5 O6 \get-global-proportion" g5 q, r8 W) `6 e" v9 I4 a: _7 J/ F
let trust-value- r% @8 m" Y7 S( P0 h
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)/ G4 X8 O# L! Q6 E
if(trust-value > trade-trust-value)
( ]. c; ]" F/ C0 ][set trust-ok true]" B; C2 F* f8 q# ]) J
end
1 T3 l' C5 l" H: m/ C z5 O# G3 Q* t( |0 A1 F! y
to get-global-proportion; g% a- k' _1 o/ A% o# c8 U
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)8 D- L4 Z& c9 C
[set global-proportion 0]& N$ o7 K. O9 J7 B" I
[let i 0) X4 \: e3 Q# _ l; g: p& v5 J
let sum-money 06 }" B6 d' h7 u. Z; i
while[ i < people]/ p" l3 |2 U B N0 \, R. t
[
5 ]- U- N& k! x" M( C( J [" e/ rif( length (item i( Y$ K; A1 s2 u9 v- X- X9 Y: k
[trade-record-all] of customer) > 3 )3 }0 K& n' P& x
[/ N7 q3 B1 g1 ?; J' n& m- l# n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( B" L J2 X$ u% e0 y$ I$ k
]
( L; q" T$ c9 m3 r]
+ K/ L+ {+ d7 K9 o; Jlet j 08 P. V# f7 a/ Z% `
let note 0
& J% Z# U0 x# \# b0 O% u6 P1 Wwhile[ j < people]7 K2 o$ z6 T2 }( F7 g L' s
[
/ j7 d7 q8 F, c4 q7 P+ D1 [# Oif( length (item i% U1 J' c* @+ ~8 Y$ i5 c0 j! z8 E
[trade-record-all] of customer) > 3 ). V+ D! L) ~% X; g1 K2 }5 I
[
+ z, q% n& D4 I$ E8 Iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) F9 S0 b8 J" ]/ c6 B# t+ [
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% K2 C/ U& w7 Y5 D6 ]: _6 f[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]2 _2 o, N+ X# L" B3 S3 Q
]
6 a4 c9 A, K B5 \7 d! ]/ i" []
* N2 s' R3 d, x" gset global-proportion note
8 W" Z; F4 Q4 x E; w- p]
# h' W7 r! }6 a% C" m# _end
" F' {' z' M2 [; b( W" ^; y4 D/ R6 ?% d3 n: d; @6 ~
to do-trade; R1 P" i5 s( I q k; S) h g% l% x2 ?
;;这个过程实际上是给双方作出评价的过程
) L/ d* h3 R6 y+ O9 S% o u5 G- [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 T' S2 a. U/ [8 gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 o4 z% l; m7 Q k, H8 T# l
set trade-record-current lput(timer) trade-record-current
" W7 W( w, G4 b' [2 G: L;;评价时间
: u. L7 K' W; iask myself [1 r! j& p5 P9 i5 C' i2 M
update-local-reputation
* u! E7 g1 |; i' z' Y4 tset trade-record-current lput([local-reputation] of myself) trade-record-current) O" G3 C* ^$ a v- H6 K! a I% l
]% l! w, r. N- K- O7 C
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
# D' K l' I% ]9 |6 C% O;;将此次交易的记录加入到trade-record-one中
. {, X+ {9 y4 b( Fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& V x. o* U. X/ [2 I
let note (item 2 trade-record-current )) c1 t }& A' s' c& n& g% F) |7 {
set trade-record-current) |1 z% k4 h( P$ E& Z7 D3 r
(replace-item 2 trade-record-current (item 3 trade-record-current))9 P8 @/ ~8 \" @# S+ ~! z7 p% L
set trade-record-current
1 q# }3 [/ e% r( W6 ^$ }( I(replace-item 3 trade-record-current note)- g" p0 q9 U Y3 e8 X# ~8 k
) B& }7 I* X/ i8 G7 l- O. _# v! y- i9 }) m4 c9 m
ask customer [
0 h! T1 W$ Z- L5 E6 Xupdate-local-reputation
7 u) s% [" ]$ |" q" N4 |3 Y) uset trade-record-current
0 \+ }8 `8 x$ t9 a(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ ^0 q/ |4 ?- L) D]/ h+ x) w2 R4 s% r; B* y
% K! m" b) l2 Y/ D+ c8 S, f! Z3 P# Z- w* `
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 {6 @. V5 C! S
1 t3 p5 x, [0 R
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
% s. X8 g5 L" x* } B# X U;;将此次交易的记录加入到customer的trade-record-all中: b2 O1 t$ ^1 k& \ F8 B0 ^# K
end( n2 \% [/ ?& s( \2 I1 X( S
( h2 o0 s2 O' x
to update-local-reputation
, P8 B5 S2 J/ q/ A2 Eset [trade-record-one-len] of myself length [trade-record-one] of myself
5 i) C: m* E A- X. [6 T+ y. v4 x: M" y) w: Y" E& k8 e( k/ w
* ?; \" o0 \$ V;;if [trade-record-one-len] of myself > 3 , w! {. G+ _0 ] z) F& I
update-neighbor-total
7 [: ?- F- \# q2 ]* Q;;更新邻居节点的数目,在此进行
: M/ u: [7 t4 U$ P2 \6 ?( Slet i 3& p o% R2 g2 }1 R" c
let sum-time 0
$ ^# D* R) ]/ C" b) k9 Y8 @while[i < [trade-record-one-len] of myself]
9 t) Y _3 C: w! T[
. l% l, k+ x2 h# C/ zset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
& H7 }/ G4 U$ M! xset i% i3 K: x+ @0 d! _& W, A
( i + 1)
$ n" E" F0 t( T0 i]
& }3 J+ T4 x2 z; T1 l# Alet j 3
* y$ u P5 ?: P; Vlet sum-money 0
) r. @, d* M' @/ U/ Owhile[j < [trade-record-one-len] of myself]
e3 H; W$ u0 b, N[
6 m1 s' ~* @- q1 f& c0 f4 Iset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)2 D- w, P$ S4 H1 }- \3 m5 I
set j
' x1 c; ^4 [* _; L: Z! k( j + 1)
! R9 M$ l5 I# G/ k]
8 u$ N' p' [5 ]1 \$ D9 \let k 3* x& _& i- g/ ~
let power 0
$ w1 c% p6 G& c) K! |9 A3 ^! rlet local 0
; U( c, N" [7 Y# E/ d- b9 {& t; cwhile [k <[trade-record-one-len] of myself]
8 r7 O' I. W& d$ u[5 z# F/ W9 C1 Y3 C0 D" x
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) 0 q% B4 z: P o ?: s2 l
set k (k + 1). I/ z# D" s; ?
]
: n3 [3 S# k% X: v7 fset [local-reputation] of myself (local), w7 f: S9 U, C5 B2 c: i6 n4 Q
end" O! S9 X! W9 C* ^- _
5 O- ~5 h5 F2 J3 r9 e
to update-neighbor-total. @2 y" r. _8 ^) k: X' b
; K/ j/ h- n4 j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 H: n3 ?; V% d! j" a- P' ]! [7 @6 [. E
. B! S$ O, w5 d9 j/ C; a6 @+ t+ `/ x# B! Q- C
end l/ i, @& q/ ~6 P: R
) c& L* S# B1 v3 w4 dto update-credibility-ijl # x/ y5 A {, ]
6 w$ X) j! z$ a: X, n+ H;;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 h' d& R! V- h7 @/ G- X8 m1 a
let l 00 q7 S9 d0 o" }+ F) }
while[ l < people ]
! |" E8 T7 j0 b4 J) ?2 @1 |7 x;;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9 s }( r1 M# V$ C: R- Z
[
0 `" n9 f- s1 L/ \2 n& Zlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 V1 L) y8 n# F+ Vif (trade-record-one-j-l-len > 3)3 y% ?0 R0 H: V! t. \7 `
[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# {5 p( [1 M0 l
let i 3) c( B7 F% Y- O+ X: L7 }
let sum-time 0
" j# v, ~& t( ]; o6 zwhile[i < trade-record-one-len]4 H( `3 O7 I3 P5 A
[
$ _! `' v) @) C. y" j. Fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) ?: Q$ O+ L! ?' @
set i
6 C9 z1 Z: U, N N) U3 U, A( i + 1)6 J4 F) T" c4 b
]
% {4 b1 V, `5 S9 G. L" A4 e( slet credibility-i-j-l 0
) k0 G5 _" t1 A4 s# D; e;;i评价(j对jl的评价)
' X! W' Z! c/ _# o2 llet j 3
- k; @; k6 z3 Olet k 4
. }2 G( J) p) {% E1 r* Kwhile[j < trade-record-one-len]5 n. p- U+ f2 n
[
5 X9 r6 A) s9 lwhile [((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
" h9 z! \. q/ B _ |/ q& |8 Pset 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)
0 x" |* J3 B" c/ Hset j
8 b- m* Z3 z9 `( j + 1)8 w/ b, x: I8 m! a1 W
]" h5 o1 q4 P. u2 z9 R$ @; ]/ [
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 ))
' [0 _5 X N L# D( u
% Z `3 k1 j1 O4 d5 O+ m9 ^; O
" S: V6 r( _- x7 j/ ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& _$ B& v4 X6 d& u; u! E$ N
;;及时更新i对l的评价质量的评价
U' P/ Y$ Z3 t( p! @set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 X7 ?& |2 F# |set l (l + 1)- l0 o/ L# V9 \9 @: l& w" ^
]
2 u+ e( o) J( zend) W" \6 {( {9 X
! p3 K% A( S5 }" i9 c. Nto update-credibility-list2 `, c4 t2 X( G: Q% O3 _
let i 0$ Z' K: `; E- W/ K' A! W/ y0 |+ n
while[i < people]
, B% p3 @% I& t7 g9 Q[) s2 ~" G5 B3 n! d/ N) C( m
let j 0( x# s/ v1 W0 R$ S8 S
let note 0
$ P! l4 W* }- ]let k 03 M7 S- z% F7 k) q' p% W$ Q+ @) Z
;;计作出过评价的邻居节点的数目+ s2 H5 E# B; S1 v" t% B$ z
while[j < people]. y0 l, Q# e9 I. v6 G8 {5 n" x
[
Z I4 n# Z" x" r aif (item j( [credibility] of turtle (i + 1)) != -1)
, G* J& |1 G4 a0 Y: b2 m;;判断是否给本turtle的评价质量做出过评价的节点( ^) M% @. x+ d% O' x% C
[set note (note + item j ([credibility]of turtle (i + 1)))) Y4 f, H7 c$ C% E+ Q
;;*(exp (-(people - 2)))/(people - 2))]# u9 \9 x$ t, c; o
set k (k + 1)% Y& l* ~' N6 r: w9 F! n5 c
]. X: Z2 w3 d/ C3 l
set j (j + 1)
5 m- o' Y* N0 i% g4 S0 ]]
# `. q5 C6 P9 @- h5 L h) b* lset note (note *(exp (- (1 / k)))/ k)
+ u5 A6 _/ G+ \& w: {4 dset credibility-list (replace-item i credibility-list note)
8 o3 j2 \5 P% C/ W/ j) `; r! gset i (i + 1)6 \' J3 t ?2 d: H4 \( x8 t! i4 I, K
]" _, {" d$ i& a" R% _4 y$ i6 n
end/ |( ?: Z9 [* O0 t
- j. M5 S( @9 h4 o
to update-global-reputation-list
3 d, X2 W; I% c" A5 K* Flet j 0
, k k0 o, ~6 ~7 b# N1 q$ S: N: u' dwhile[j < people]! m' R3 J/ P! N4 A& R) G
[
9 c" P9 ]) C* Wlet new 01 v2 w% |& I1 S; ?$ w* u" F1 M
;;暂存新的一个全局声誉 |0 y# [5 c2 p) k. c0 a
let i 0
0 [% A$ b0 Q5 T6 h* \" Xlet sum-money 0
0 f0 j& O( e: H) C( Flet credibility-money 06 f$ F# a! P+ j( \" }) ?/ ^
while [i < people]
, P( e, k6 w' I3 e* y9 c2 ]! P a[" v2 F. Y7 z9 l' N
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% w; ~2 w; S- ]+ _3 Q, X
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: O4 R6 x, A2 ]2 ?" H% M. sset i (i + 1)# g) ?* C" m; `. g4 W
]
" g: q. d* h; u2 Z6 ^let k 0
& M7 w# O5 z! d" B# F5 ilet new1 0* u$ e; S ?0 G: l
while [k < people]
! Q9 v" X. e/ ]0 @: }9 X, k* r[# C4 U z2 K5 N/ Y
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). e( h0 A3 y% E& Z: d/ k" q
set k (k + 1)
8 b+ }5 z" K8 E3 j]% n) A# I$ F6 X( f3 D% X2 J# J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" `1 m+ ^+ ], y1 Wset global-reputation-list (replace-item j global-reputation-list new)
0 z3 F( i5 h& [set j (j + 1) Z& L) b' k6 p; X; a6 Y% v& G
]
, L( a J" C0 P' x2 send9 Q) u6 @5 @; R! E3 \
; p E$ H# X$ }$ Q" n$ W* W' R- r- M) H4 ~$ Z
! y, x8 K3 U( M5 }8 @9 v7 H5 hto get-color
: H A7 r! c( h: {+ Z' Z8 h1 y5 i! p0 _
set color blue( c Q. C# E0 N7 b& Y9 ~9 ~
end1 w" i) t: d% i2 L
, J( I* }: I! o" V% Z) n! b" Sto poll-class! G' K4 u3 ?. u
end/ c( G$ x, o" E+ m. ^- u6 L, x
; r$ K* M O8 S b9 L2 c! E9 C. ^to setup-plot1
, M/ t/ F9 K0 H. [0 ]6 L" w5 l; x+ h, T Q1 |% M/ t
set-current-plot "Trends-of-Local-reputation"
1 R) l$ e( f1 A/ F; D8 O
8 G4 I3 i* U- e* Hset-plot-x-range 0 xmax
|" ?7 a3 S$ H; C; \% h. ? ~7 H# a1 n) m+ y
set-plot-y-range 0.0 ymax; z' W# Q* R: X: F& y, p1 @
end
/ [$ b2 g b$ N' _+ O, h4 Y
0 Q% X4 M7 a2 y0 f& dto setup-plot20 Z8 e7 F7 [7 m& M% ^) Y
5 H1 @/ g& z8 k+ ^set-current-plot "Trends-of-global-reputation"9 q2 p0 E7 n; R7 F
2 r, k5 `; k5 y+ Q
set-plot-x-range 0 xmax& i, x6 S: k1 @8 i: M! u) @, Q4 C
1 j9 I7 n7 f+ h5 _- @
set-plot-y-range 0.0 ymax$ N- O4 d r4 @8 A8 z6 s( x
end
1 a; Y' F; ~" `6 C3 m% A
" E7 D# O6 e) [2 ?+ yto setup-plot3
: W' f" Q, X: e! r( v% x @5 B" |+ Z/ v) K1 v7 T
set-current-plot "Trends-of-credibility"
4 X! ^& p; r" l8 ~! U2 u8 D6 h- I
1 b1 d( b# [6 m( }set-plot-x-range 0 xmax7 i& Z# `0 i7 s- B5 ?* x' t
/ M4 A2 {2 G% f$ ~; b# u% ~set-plot-y-range 0.0 ymax
% U% @ E- K9 i% ?; ?; ^end! |) N# u5 n5 u, ~
& K: }. }, D: _+ b8 m0 s7 Ato do-plots
+ z- Z$ l& _: z4 Y5 |set-current-plot "Trends-of-Local-reputation"
: n, i3 b" w6 H6 B- Sset-current-plot-pen "Honest service"8 Q6 S' o9 Y* y' B9 `
end3 u1 v |! ?# F! o8 T
% s; C- Y2 C% E$ k
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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