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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# P. r5 [! [
globals[" Q" E$ c+ U+ z- `! t
xmax
: r3 ?9 n) T; r/ tymax# }' Y, M! _" S& J8 D, D, B
global-reputation-list, L- z0 F6 D3 H! L; u5 I
* Z5 p) y8 i/ K8 V# @# n, W
;;每一个turtle的全局声誉都存在此LIST中
/ }: {3 a. [1 e8 s3 Vcredibility-list
) \4 M+ H$ k/ ^# d0 i! P" J! {3 t;;每一个turtle的评价可信度
/ V* E1 Q1 o! Khonest-service7 S& N9 b+ y' n& P4 K
unhonest-service
7 n' a- `/ R0 L# z2 S Y# Moscillation
: K; c( l. E' u1 M7 C. i( xrand-dynamic8 c7 s% c; B) F$ U R. E, v3 {
]2 y4 ^8 n$ c6 j6 o$ w( Z
4 ^2 ?$ b/ y) B6 c) K+ D0 d
turtles-own[
! Y* ]( V7 l% v4 H; vtrade-record-all1 @) J* N" l# N$ s) s- V
;;a list of lists,由trade-record-one组成
2 z- l( a+ t1 s& Y! ^+ ?trade-record-one$ \; v: c }5 z# L: X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
' j, d5 ^7 T! Z7 |! o" O5 ~1 C/ l" ^4 m
;;[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]]
! p0 J `) y8 a3 O2 Y0 X/ P, {4 dtrade-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]6 d2 B, u2 W0 l! I. c/ o
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
3 D/ \3 ]/ Y+ z% \' L; M- Rneighbor-total
, U0 X+ i$ v, j% j8 W;;记录该turtle的邻居节点的数目
# F; d3 f; W! F' K& T& htrade-time
; e' o" L3 A) Y B7 |;;当前发生交易的turtle的交易时间* T+ o6 q' [ k
appraise-give4 N$ h/ c, V. {' ^
;;当前发生交易时给出的评价- p! b; s6 \ l8 q8 a& {4 o
appraise-receive5 [: i2 _9 M8 U: [1 d& w
;;当前发生交易时收到的评价6 d% b" [2 C" H* w; g
appraise-time
& |- D$ e' R. o# L u+ \5 `9 p;;当前发生交易时的评价时间4 Y: K5 ]1 U; m0 v+ e. P% v/ A4 v0 _( O
local-reputation-now;;此次交易后相对于对方turtle的局部声誉1 |( e% F) ^! C ^8 i# A0 c8 m) E
trade-times-total: }5 b5 c. z' k3 [5 ]. P
;;与当前turtle的交易总次数
) i, P5 R1 |% l2 w" r& B: k% U5 ]* Qtrade-money-total
. u/ f- |; m4 y9 y" e. X2 m( l;;与当前turtle的交易总金额) e- }0 L# p; M7 c$ E, H* m
local-reputation" o. d; }! M/ f r" C4 u, N
global-reputation
0 \, i* j# U* X, [5 i8 S ]credibility
& E' u: C, K" {. D3 ?; I& b;;评价可信度,每次交易后都需要更新
" |1 F$ t. y) }! n" E8 _credibility-all
" m) M5 i* i! w- Q! h) 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/ M" o9 }, F1 x* ]) Q
2 k$ w. z( \0 Y8 e/ z# 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) V4 b- A6 m3 j- V$ a9 i6 _6 L
credibility-one
. `" e' C9 o( u- _$ e;;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
9 w" E! r/ m/ z p2 U" A {global-proportion7 i) v2 s M4 u( K, ~! [* z5 z
customer
4 t# Q! ^+ h# `5 ]customer-no* ~# e; Y8 | w+ H) R
trust-ok
% U% o- t( |- X" D0 r8 ztrade-record-one-len;;trade-record-one的长度' I2 C [0 o' D: `
]1 B, N6 y+ }( E
/ j J- O2 x6 a& Y9 x0 C
;;setup procedure6 [" q7 H, `) @
* c- y* j+ _" X* z, L% S
to setup1 D, l& r$ ^# V7 k3 {
2 R( f' E# [: |( f5 |
ca2 E& O4 y: K/ k: N% b! ?" d
; y5 n. l8 l$ O7 [2 pinitialize-settings1 G# c# b7 v. s( V/ p, C
8 I) [& T0 D0 N$ z+ A
crt people [setup-turtles]
7 w, X, W7 r5 y& l) |
- g- z0 m* v& U; s" h5 Creset-timer& ^" d5 ]9 O6 z1 X8 {# K1 c' Q
s# o* i8 S0 q& Z K& kpoll-class
' m4 {$ C2 u0 q5 _% ^' a1 t) X5 [3 y% x
setup-plots
0 G2 t2 j- L" j( u6 C& H$ B: [; g' C" {; u5 C W
do-plots+ I8 l- s* e% P" m2 Y
end
$ e/ t! _$ u0 y! ]
2 R, V9 ^2 L8 q+ wto initialize-settings
2 B4 ^6 k; Q: l" |' q
& a- r3 F2 E: j4 e w2 [+ m/ lset global-reputation-list []& D: L/ |0 k+ y) m: e
$ x. l8 v n+ D. L: T% ~( Y$ Rset credibility-list n-values people [0.5]
* y- V7 s, x7 N2 }# _) y( O' t' M' E" V! e7 e5 |. @
set honest-service 0
% M! N, ~5 Z5 l/ ~/ i6 g f; o$ f8 \4 b ~. l- l v; {2 F
set unhonest-service 0- d, h# B- w- `1 Q4 x* W2 ?3 E7 [
! l2 O9 j5 C1 B) k' c4 Aset oscillation 0# [4 s0 g, c s" l( q( }
Y+ D* {* L! E! t- sset rand-dynamic 0( h" q; ^1 b# o# X; o
end
9 P3 r4 B8 t! U* B7 E+ i; S# H. V! w8 [3 I2 \3 M; v7 Y# E
to setup-turtles
" Y# r1 E! _& S2 W' X5 nset shape "person"% p4 ]# l8 F- R/ Q, `2 w" t8 b
setxy random-xcor random-ycor
2 y5 c- u- r7 _/ T) Eset trade-record-one []
5 r5 Q* J$ K+ B
4 z! C; r h# J9 w) Qset trade-record-all n-values people [(list (? + 1) 0 0)] 2 ^' z$ t$ J% C# B
- p- `1 {) S! ]' m* U/ a xset trade-record-current []
; @3 N' c" t C& v$ Q2 rset credibility-receive []1 ?6 C7 r. W/ u. w- q
set local-reputation 0.5: t. G4 H! _( Q$ v
set neighbor-total 0
4 b# h; T4 O7 p5 k3 [1 Q! h6 Bset trade-times-total 0
6 c5 @8 @/ @) K7 \( v1 R3 j* Mset trade-money-total 0# O0 _1 ~- \ h
set customer nobody. L1 U3 |4 N/ i- ^
set credibility-all n-values people [creat-credibility]( `* D, o! L5 H' k& D8 v
set credibility n-values people [-1]' `' q3 k* ~# Q" F
get-color" `% v, d5 e/ V# ?( P
3 n2 {* _2 G' Y9 B% gend& X, l8 ^" A, k$ g" p
! x8 H7 A& s# S3 d6 a
to-report creat-credibility0 r& _) M: [" O+ z- C& d
report n-values people [0.5]7 K# q$ ~. I- F# e" l. F
end# e0 V' N+ ]4 n
2 ~. z' M3 s: [% P) Yto setup-plots+ k4 d" d, t4 ?9 U
+ C* W K1 {' g& T) G
set xmax 308 T; S9 p: d) N! `! G* |! k6 w
% f8 R8 Z) Q# K) b' R
set ymax 1.0
6 d) A; O1 \% F/ h: v- ]$ S# I( p( z2 q; M4 Y( ^& U1 z
clear-all-plots6 U# j9 v3 V- u0 {3 D
% n+ Z0 j! C/ d7 n l' Y8 q
setup-plot14 ^ h& R5 F+ c# U' ?. S; a
, W. ?1 a7 }6 ~( {" @8 S6 l
setup-plot2. t5 g5 R$ H7 g0 m5 D
% x" w) g- ?' T
setup-plot3$ w( e2 {9 S. ^, e' H
end
; o8 X' E3 m f0 Z+ ~! s" @ m; } k3 N
;;run time procedures$ r: u5 h' Q( \( q/ w
6 O4 I9 T) b r+ D
to go0 Y6 j$ Y+ k1 F) B( H& ~& H. ?
C7 |' [* d- K, l' z
ask turtles [do-business]" G4 h" |0 J: \8 x( R8 S. T# \
end
5 O5 |$ ?9 Z$ v0 a r, p) y. }/ R- i5 P
to do-business
3 @$ N; ^% I A; I3 a& I, ^" `% @
& s& ^" ]5 n8 d* y" m9 S! T
rt random 360
( s) q! J& M! q! p7 j) h
" U$ e# }" s/ H2 X! O! p: Gfd 1 r4 V5 R% T( T# B
) i" x7 O- F9 W, d: ~# aifelse(other turtles-here != nobody)[$ Y' p; n0 m; O" t3 O
, h) n$ G4 @0 t C2 i; J' z8 k
set customer one-of other turtles-here+ f+ u. C% n; y1 h) } }
% H/ ^! Y* {- V- B3 D, y' j0 T
;; set [customer] of customer myself
! [; h2 ]6 a# K4 m' i5 E- b" `/ `5 e5 {& \3 P( P0 D0 y m/ N7 T
set [trade-record-one] of self item (([who] of customer) - 1)$ c8 X# J* y$ M
[trade-record-all]of self' K/ ?2 S* r/ p# w6 V; K' _
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 Q4 R N# M O, I- B" i$ N/ X0 S1 E( v7 n9 z3 _" Q/ \% {
set [trade-record-one] of customer item (([who] of self) - 1)
1 v6 Q; J0 Z- j6 g! d[trade-record-all]of customer
! u- F; X; b! b* t9 h% n6 i' C
set [trade-record-one-len] of self length [trade-record-one] of self* Q+ `) r s( _' e
2 I7 D& B% B+ ]4 {set trade-record-current( list (timer) (random money-upper-limit))* |4 m- X4 e- T' z
2 {7 W# [ L; `ask self [do-trust]6 s1 w2 M; a7 x. }. {& I
;;先求i对j的信任度
3 r% A) y" C% K# i- Z$ O5 z- b4 M3 h- {8 z4 a3 Y/ }
if ([trust-ok] of self)
7 ^% H- j& M- {;;根据i对j的信任度来决定是否与j进行交易[
7 ^; o6 _& `: R; ]) [0 Pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" f1 D; b, P. G" ~
6 v( d( C- L' V! k1 x% g. N7 k[, m' Z8 b6 a$ v5 E
1 m& Y3 h' I/ W1 [% s
do-trade) i& p3 d% r/ O% o+ I9 A( y
/ q4 I! I3 U3 i' @' o
update-credibility-ijl9 o" z# i+ }0 _
# S+ `9 ?# v+ R) ~! a) i
update-credibility-list0 {( n' K& b) V% S _. j3 ]
" O8 h0 N5 X! r; Y3 i$ v
0 @9 x# Q* A7 I# c! w! y
update-global-reputation-list' T V; `# `" L8 ]* w6 ~
& X4 n y3 D* \; {1 V5 L3 X+ ^poll-class
0 P- j4 L; i. l+ F+ S r! ]* M" v2 h0 P8 f+ b
get-color
6 ~* v( Y4 _9 y, }: x- c9 v; h
) Y' }2 Z, \* F5 z' f]]7 C+ A! a7 d: a, j/ n! u/ N
2 F. a% s9 o/ Y F7 J4 d% x;;如果所得的信任度满足条件,则进行交易
* V6 }2 I& J% x' B% B
! L) i6 j% D: v( g6 i: A; U[
. D$ E1 c1 o% d9 T. x! F# J3 O8 ?; w
rt random 360% j0 M+ X! {0 O6 k* j
! ^5 k+ F+ q* D* W
fd 1
! w! g) t6 ~0 X4 ^: r$ |$ }( g+ N- F# l8 y, y
]0 K0 j0 T4 P" K4 C
9 `0 s, v0 I: K4 D8 Kend/ P" u5 ]% R A1 |: i) O
4 `6 D0 e' j9 l8 `6 i3 ^to do-trust " m! m; q" a- C8 [% ~+ `+ N6 }5 T
set trust-ok False$ {& V9 k2 }8 Z2 u. A# l3 |. W9 W& P
$ Z* q8 @$ }8 l! j# R
/ E' Z* y; Q8 p% D. d) m. W; Zlet max-trade-times 0, t% b- D1 G( E8 _+ j7 P
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
. \) U: i( T( }" t! qlet max-trade-money 0
{5 `, D* P" t3 \8 t" A0 d6 uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 A( v$ O7 e; |8 G6 s Y$ _
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( h; j V) M, a8 d; l2 Z! U
2 {: j4 }& h' s3 C7 T- Y
! Z/ V7 Y$ N; D! t: T& ]& |get-global-proportion3 L' \4 H- y" ^1 B
let trust-value- R* \1 f* ]5 G# ]1 ]3 |
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)
4 p4 s) Z5 m$ i5 S7 \! l' {" _if(trust-value > trade-trust-value)
/ `- H$ c5 ?; C0 w( _5 `[set trust-ok true]
% D( D8 L# {* O: u3 tend
/ v* F/ h% d, Q6 F H4 e1 l4 f, b* X: s
to get-global-proportion
. X3 M+ ^! C; W* w' T5 H. Xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# M; ~" Q. t' Z2 v" F[set global-proportion 0]7 i1 _6 H, b7 G* j# o
[let i 07 k! v; U. H* \: k+ Z: ~# G5 a9 a
let sum-money 0
. o$ Z: M: e) }, m% c+ }while[ i < people]
3 l w. l; a& c1 A1 L[- J2 B: y6 G6 Q+ J6 N
if( length (item i
* s0 x/ p: b. i) A[trade-record-all] of customer) > 3 )
6 u4 x& L& O- W% A0 a[! S O' n% q3 b( Y) S# n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) a5 \% S# c X+ S/ ~. C' y
]
; n3 t" U9 y. F1 R/ f4 i]
; c5 W! ^3 o; @let j 0
: U+ k b* L4 F& h6 T# blet note 0' B' P& }% P$ K
while[ j < people]
7 {) x( S" r) H* P1 Q[( W k+ ]) C3 I: A! s- ]7 @
if( length (item i
3 F6 E$ B9 \) s6 t- E[trade-record-all] of customer) > 3 )
2 t3 V( g7 M5 a5 B[) m; Y7 q n ~
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( n/ o [# U; e5 E. e
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, w6 G) a; q5 \; y5 n0 u6 }! D[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# V0 d! m' l8 E7 a0 ^" H) Y2 e( z
]
& z. o6 z" H% d* ~- P' k]8 F& @. j7 m5 v% j5 o
set global-proportion note
. U$ u# n4 x. U- K6 q]4 P/ _. o* j1 ^" i7 g6 G* P
end7 _ d: B2 e ]* Q* t" O
, F+ U% T1 U1 N
to do-trade
) o2 @7 A) \( [- ?) Z;;这个过程实际上是给双方作出评价的过程
0 G0 h4 ]& g# R. Aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! z$ s3 g$ [9 ~, h7 [9 X' C& [: G2 ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价; \4 F/ G" l! z d) i. Z
set trade-record-current lput(timer) trade-record-current4 t! ^3 B F9 o/ i& A' j
;;评价时间. R+ F' m2 m9 ], Z8 Y. e# Y
ask myself [
! v% x$ H1 W7 i4 x$ x+ nupdate-local-reputation6 @5 q, q. E ^, {
set trade-record-current lput([local-reputation] of myself) trade-record-current1 Z8 S% C/ q, ^& F7 N
]
0 L7 M3 ]: q. L9 U1 {" c- \1 Fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; o/ R5 c- r8 G4 X" q4 y7 b
;;将此次交易的记录加入到trade-record-one中$ c6 _1 }0 N; r# H
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, Y! B/ ]' D+ clet note (item 2 trade-record-current )
/ W q* g1 k: U# \; { K8 f. jset trade-record-current5 r3 y4 h/ x* |7 x, p
(replace-item 2 trade-record-current (item 3 trade-record-current))4 Q+ a, n, q5 A+ K
set trade-record-current
$ o/ O; |- V5 K4 `5 q# Q9 m(replace-item 3 trade-record-current note)
A& i2 K* X! F6 e
9 |* q" k* R8 K5 o
, |) B U8 w$ E! _ask customer [
$ P, U8 O) P: z: |update-local-reputation
- ]. z( D7 J, H6 Z% yset trade-record-current
& k% W( t: p Z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 R( I5 x1 H6 q- {9 j) i4 `1 C$ {]
3 ~5 g$ x2 U" a% Z5 l
5 a% a+ [5 F7 m0 U6 Y0 \4 v3 A: d* I2 o! [' p1 U. i
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( z+ I E* Z4 l0 F1 v
$ Y( k3 I( P. n, k: m- y. r, [9 Kset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# j. o% ~" ~8 o+ @9 h" Y
;;将此次交易的记录加入到customer的trade-record-all中' M; e2 g* D- P0 A
end
! _& ~. ?5 n3 o! X6 d `( B) T) J& c: H% N6 l$ g
to update-local-reputation
. S6 C6 L# Y% p* O, v& U6 \6 r+ mset [trade-record-one-len] of myself length [trade-record-one] of myself
+ g; g3 N+ c0 N$ `5 b- z1 a! y: i+ m: ?" ^8 @
% h0 T6 _3 P7 l% `4 l$ o( };;if [trade-record-one-len] of myself > 3
9 p1 _- I1 n uupdate-neighbor-total
) _( Q V! l, U7 _: X3 J+ D; Q;;更新邻居节点的数目,在此进行0 h* F( H0 C1 H+ p& [7 H& L
let i 3* c2 d& \1 `. l- \
let sum-time 0 Q* k% ]$ Y/ M
while[i < [trade-record-one-len] of myself]
7 v& j; p2 I7 F4 u y( o7 n[3 N/ w% N* G; _ }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 f* E s, r, {$ l! X e
set i
; h) b: g* I% V9 \# m( i + 1)
6 c+ M% b+ F# ~4 Z. a/ f]; M9 w* d: L: F3 A" _& r+ {, ^
let j 3
; ^3 K: C* N Q' h8 d6 |- ]0 ulet sum-money 0
4 X- x$ b* a0 W4 s0 V+ [8 {7 Swhile[j < [trade-record-one-len] of myself]
' l& c) c6 ]) r- l5 x[
; j- z, w( u: h0 M) {2 Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
+ q% L/ r# V V" P! ~! qset j
& R; l' @; {3 C. T( j + 1)
) A- L. c2 f! _+ @]* |9 _7 a0 m7 U! B' n! e
let k 3$ X0 c- P6 e7 R
let power 0
; G0 W- e, l% ?; _0 U- Q8 d+ Tlet local 0
$ u) z( F) G9 {/ y- `while [k <[trade-record-one-len] of myself] p( s# L& F9 f6 ]/ F/ R2 c
[
6 O c" Q9 _2 t$ X, H5 s3 tset 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)
( B$ x2 H5 s& qset k (k + 1)
) Y* X1 V9 g' Z4 u/ |4 {& D]
5 i' o" F5 O) A. Y) xset [local-reputation] of myself (local)$ C) U& w2 |7 P( n7 I2 l
end
! L- P/ M+ [1 T2 E, D
0 `" d8 ~( _! P( x3 X% ato update-neighbor-total
: n+ I# M; {5 _1 L7 l+ U
1 W4 T6 g" \/ b" c: K6 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ x6 e( e+ ^5 \' m0 c
- K$ {/ c8 `5 I, N" M
& ]6 _+ j- j9 g C4 _# Eend
' Q+ g/ O* K9 \) H' v& O9 @4 A% u! _7 }7 i# ]2 I
to update-credibility-ijl
$ B1 M4 T3 `+ c6 L' | ]
: }8 m4 I! ^8 k3 \;;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。9 J+ b7 _* @1 O; V& k7 v: C; G
let l 0; R) ], E0 K3 }- t8 f+ b
while[ l < people ]# ]& k$ N. m0 U- l
;;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! ~2 F3 U; f0 j9 H
[0 I4 h. z; C2 M `5 k2 l) t0 X
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)* w$ c1 k- Y, Q: s
if (trade-record-one-j-l-len > 3)
# Y. x8 N6 m$ X[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
4 D, z& P% y# g7 k& Alet i 33 Q0 q- q }% S3 D, [/ x
let sum-time 0
7 W1 i- a) Q8 Z6 Y0 Kwhile[i < trade-record-one-len]+ C) p$ p! F3 {% Y* D( L
[
! T8 [" ^8 o. mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: P! g/ B0 d' S: ^. sset i' ?7 Y+ l8 n+ u2 d% p" \
( i + 1)
& l9 F% f0 X3 J: y$ @9 h* Q. [/ n]
8 R' l2 h3 n" Z/ r; X3 alet credibility-i-j-l 0: l" i$ k" R; t. K' ?+ ~6 e
;;i评价(j对jl的评价)# v4 f/ q8 ^5 s% D3 F1 {
let j 3
N) p- {$ z9 v# w1 Y" }# tlet k 47 A/ z# L: D3 A% e
while[j < trade-record-one-len]
/ P1 X1 F3 x- @" w8 f[
' Q! v2 I0 g4 y* bwhile [((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0 O9 G) R5 {- o/ L, U* K7 P& Z
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)
/ }- ?% H0 Z2 R; C6 T) kset j
8 C+ K4 o; t( C( j + 1)6 d% O! ], B. V3 F" r) a3 A
]
# `& x3 ~( C/ ^2 a# m T8 \; Q3 r0 Qset [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 ))3 O+ h5 [) F" l- B/ i% F
% F) J7 Y) ? f p$ P' L3 j# \8 b4 ^7 m4 E& r" D5 g- C
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" _/ W! U9 v3 n) t ?1 M: }0 P;;及时更新i对l的评价质量的评价. [$ k2 }. T& I
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: V3 l! h% [. }8 L" q) g- H7 bset l (l + 1)
8 q# ^5 O3 x! [% }1 K9 g$ g]
7 L5 o7 z8 a5 A' _end) O! [0 G/ b D( I; Y' b, s1 H
0 j( O0 s( O, g* n
to update-credibility-list m( a. g' C+ h2 z. P1 `
let i 02 k" u" g# J8 y1 p/ C6 x; _/ W
while[i < people]
# O- B0 q3 v" j! C' O. k! X[8 j7 B' T4 j6 E9 _. ]
let j 00 H8 Y! h$ D* N8 f" ~6 B
let note 0
$ G) G9 p; F( s. [2 \# u' Zlet k 0
& O( {6 b( S% [( B) W;;计作出过评价的邻居节点的数目0 U+ ]6 I7 G7 E2 T. y' |, T- v5 `
while[j < people] e) ^* k0 a4 n7 T) x- t
[
. i9 g" a. ]1 ~# b- ^6 E! Y0 M; Mif (item j( [credibility] of turtle (i + 1)) != -1)
l- T8 a. f# h- C s;;判断是否给本turtle的评价质量做出过评价的节点
5 y7 C G3 t! C0 c+ v" Z8 M[set note (note + item j ([credibility]of turtle (i + 1)))
4 i+ w3 V! _ N1 f3 B7 ];;*(exp (-(people - 2)))/(people - 2))]/ R6 R* S0 R! N+ w3 Z% t1 f
set k (k + 1)( h& T T0 ^! m/ d! j
]
& m0 T& s! u3 U- k' Iset j (j + 1)
' P$ W, z, Q+ S0 Y% z8 N]
9 [, @/ X' T/ ~9 V, X. `1 sset note (note *(exp (- (1 / k)))/ k)
; l" {2 \& d& p' Q8 n4 Lset credibility-list (replace-item i credibility-list note)
3 U' l% [: H4 p5 A6 ^set i (i + 1)/ J! d1 ?, u0 ?" C% }! w
]1 v6 p |! r* k2 V
end/ H# A7 e, ~' M9 V! Q
5 l9 `% S4 |7 p/ h7 o
to update-global-reputation-list
/ G& n3 A' B# Ilet j 0" O1 @, L& x% z# @6 P5 ?
while[j < people]
" p$ F$ e' Q6 U* N: }% n[
" g( _- [: d" i. ~let new 0
: E. r7 d9 ~/ X3 N! M% L. n;;暂存新的一个全局声誉
7 x7 U$ @# v6 G7 Alet i 0, H( u }3 h4 O( y# J/ V7 R, ~6 I
let sum-money 03 q4 H _3 u2 O: \ D" ^) c
let credibility-money 0; C' V( D! c- g+ ]8 e
while [i < people], v4 l1 d! ^7 S+ h( c1 a
[
$ u( Z# \2 e7 J- ~% zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 W8 J5 _1 g' T. M& f( dset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 X# s' q; `4 w7 r* R3 W! v# R" Gset i (i + 1)
3 \' H( h) |: F]$ ^: f9 o( z! Q1 @! N& @( ~: `, z0 ]
let k 0
5 v9 F2 Q/ V- Tlet new1 0
# L: r3 y0 C. D4 |5 c/ W! Bwhile [k < people]9 \4 u/ Z: Z7 [
[ u. E4 W8 V- T2 R
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)
& r& F5 s! z- h+ C1 vset k (k + 1)
# k3 t2 u p, w- I* w. F$ y* i1 r$ Y3 C]
8 Q8 A/ }, l1 x6 a- [- ]set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 d+ n5 M. V2 ]/ X8 e- pset global-reputation-list (replace-item j global-reputation-list new)3 R; q+ ?& k3 X; C
set j (j + 1)- J. H; }' R5 T |3 Z
]
l( f6 r7 J6 Q' J3 rend. O$ F+ Y. i5 K7 L) Z, C
% B- W9 H: T0 p8 k9 o4 B9 u! S* K" j* i% m, R- {
: d# n( P/ T9 z1 v0 G% V& kto get-color) P, l$ w& J8 |' [4 m) Y" F
) B+ F- k9 P! c, kset color blue
! z, r; K, x: h' @end
7 H- x9 i3 |2 E7 w) } e2 U& R2 k1 c8 i( W! [% \3 v4 b
to poll-class) r6 s! t2 |) G) H
end6 ~8 P2 ^5 M! k) j. b
7 J! l: |8 O: K
to setup-plot1
% s7 J/ H. W, N& w9 w, `4 V. O7 l5 f4 u/ ?1 M/ ?
set-current-plot "Trends-of-Local-reputation"
, h# M, ^7 C/ {* N/ e$ R- d; v: }4 |, i$ U
set-plot-x-range 0 xmax
6 G$ T: V3 m0 ]
1 s' D6 f, ?! ?, h6 n: d( pset-plot-y-range 0.0 ymax7 \$ D/ r( d) \5 B( N
end
9 o+ l; ]6 ~* T" m& ?% G, d" e* i! s9 _# D* E! s! N
to setup-plot2
( ]$ |* u$ j; `6 U! z5 J( `* [$ ^% e1 j
set-current-plot "Trends-of-global-reputation"0 o5 D s% i& S% t! m
- W) o d% A. ]+ Q8 G: Vset-plot-x-range 0 xmax8 \0 }+ V8 ]0 G: ]6 A
) {) l9 V6 L% e; l: G4 B5 A+ Q
set-plot-y-range 0.0 ymax5 h9 m: [1 ?1 }' K
end
. Z5 m& v& V% x
) ?' b) V" X" C& Q) j) \+ pto setup-plot3) \/ x8 H, f; W5 |/ t
) u2 G1 r9 F8 Z1 `
set-current-plot "Trends-of-credibility"
- Z) r' l" v' @- A+ _/ z! f
: v0 ]/ b' {7 _set-plot-x-range 0 xmax
# M& ]2 s! d9 o; _- V, T+ z. J7 [. K. C/ V7 f
set-plot-y-range 0.0 ymax5 q' U- `: |3 ]: b8 F/ A
end
4 Q% p& x; N J( d
; g; s1 g8 e/ n% sto do-plots
. R q# m! x1 _1 l, N2 ]8 `" ]set-current-plot "Trends-of-Local-reputation"
5 J! @& a* Y! i" G* wset-current-plot-pen "Honest service"
7 W( e+ k; d4 e4 j4 Pend. {( r% n) D8 \! X( q! ]" X
3 M P( W, u2 a1 x6 e8 T& M
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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