|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
q2 L1 \8 _6 ^9 `! G( H0 Sglobals[- C. E8 ?5 a8 t$ a6 g
xmax
* O" B0 e+ y2 F/ C0 w) l; c* Lymax4 x/ _' @8 H3 R) |1 Z" R* k
global-reputation-list
) h; a, O! @* W2 _- P
0 M* v3 Y9 z1 @1 i# G' Q1 l- \;;每一个turtle的全局声誉都存在此LIST中
% Y9 z( {6 W. O- _" q2 M" b9 {credibility-list/ _4 u. I0 `2 c ?
;;每一个turtle的评价可信度
" l; [) S, T7 F% O; n# W. m! Ohonest-service
Z4 U0 ?- s' e- j6 j" {unhonest-service8 F) F% G* W* C; K. l
oscillation
& [! e& o! w) t( X5 R3 [rand-dynamic
1 K4 K, X1 d* `$ G" ]- c) x( v]
! j7 L+ }6 g7 o/ I1 z
4 ?* b9 ]/ K: q# mturtles-own[
* ~! f/ S+ C- U( m3 V5 f6 etrade-record-all
V, h; e( D- I6 I/ X5 ^;;a list of lists,由trade-record-one组成
* F1 M1 j. d: N( b! Itrade-record-one7 x# P! T c" h/ i& X y- 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: ?: i! I& A& `6 M& Z" c! s8 y
( f6 a9 v! Y1 c" S4 ^
;;[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]], ^: F3 g- @: N
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]$ G$ D c3 R1 H2 g
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( @ e. J" O9 m: l
neighbor-total( q' f( P1 W' [6 V
;;记录该turtle的邻居节点的数目0 h! d3 e8 N( e; f& D
trade-time
4 i& O0 [/ x, ~! |;;当前发生交易的turtle的交易时间: J4 |- c v% S( y7 U* l5 k
appraise-give
h/ z+ d" ^8 I, a. P;;当前发生交易时给出的评价
0 \! p) g% b* ]3 H7 D$ }appraise-receive3 g6 {% m) N i. X
;;当前发生交易时收到的评价
: B. j7 s2 \7 B" m2 a( Tappraise-time( n6 _" H+ q" k
;;当前发生交易时的评价时间
3 l) C+ M( Q# jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
: n+ I. ?& X8 {: p# K- l# o$ |trade-times-total! ~; C1 ~8 @6 m$ K
;;与当前turtle的交易总次数
9 Y, O$ U- x; h" ^5 Y* Y& Ztrade-money-total
9 q2 D" h6 u6 Y) [' U7 Y. q;;与当前turtle的交易总金额
; ^ H6 u1 h" Xlocal-reputation
7 s' ?# N+ b! V* p* b* kglobal-reputation
" F) K x* ]3 D; {# L; P- ?# Icredibility
5 d* {' M& N5 Y0 t. s;;评价可信度,每次交易后都需要更新
7 f2 S* k$ a) jcredibility-all
2 P. p) D% K. _6 |;;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
! M5 s, v7 \- L+ Z1 w4 B% U* l
% S9 o! L! _6 \) i;;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
" r* d' w1 q$ E+ i4 {9 [+ icredibility-one, ?6 B9 o# _: X
;;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
1 b3 R3 }$ r. c$ Q' M$ mglobal-proportion; p" k3 Y1 }8 d' ~
customer
0 U- o# F& M: y" x2 V3 i4 S0 o2 Ecustomer-no
- k, V+ o3 I% H) |, htrust-ok
) s! _1 [# ~/ A# K- q! `trade-record-one-len;;trade-record-one的长度
; N7 L3 B' d ]' Q# ~]
7 u- E0 P; \" Q6 B. t; T4 w* R" W3 G, [" q( ~2 A& g/ H
;;setup procedure% ]" U7 T+ N8 [4 y$ z3 t
M% N2 j9 ]) v- g9 ~
to setup6 C" g& `& P6 c6 Y+ x8 A
+ y: @5 s. k: n6 Mca
) @( E2 q V, ~
- ?1 T" k5 h) q9 tinitialize-settings
% X( r* u$ G9 A7 n7 V2 q3 g% v8 U c* L
crt people [setup-turtles]7 H- j- v9 |4 h( O0 @' n
0 t9 D0 P/ L: B+ |$ x! b: D& a- [
reset-timer5 j, \7 S0 [6 U
& o$ V" q; L3 a6 S& k5 Xpoll-class% z; I7 E t9 D3 h9 i
) ~! }5 l+ X$ i) v1 _* R4 [2 Ssetup-plots! ?0 `$ W3 Y- i& `2 V
- b9 E: a3 r$ J0 U, x" s
do-plots
$ {. C! {8 s9 u9 `end
. f, D# }5 E, d) l) B4 q" |' P Z0 | N6 _2 g# Z# i5 [
to initialize-settings3 |: n0 u. i4 }% Q. H
C. s3 @8 K3 f% N( {% f1 ~set global-reputation-list []
9 p/ M1 z$ z5 u5 m% S$ I7 T* {' a! ]# \( Q1 I$ s
set credibility-list n-values people [0.5]
6 j# e% x% G( g! \3 r& h
6 U5 G& J! ^% i8 q i; U4 h! Q' Dset honest-service 0
$ a+ O/ q7 w# Y) i' z( B' X6 t& p
set unhonest-service 0
( G2 a6 w& T/ }! W+ Y$ n, R
. _. i9 | b! e+ Q. j% |set oscillation 0
* V* ^# D* {% G' d( q6 q0 Y2 ?- ^7 ]( o3 _7 B# g9 I8 c4 U/ G
set rand-dynamic 0+ [9 j: f/ k- o7 A6 ~ c9 ]
end6 Q5 W! f0 l3 j$ c( ^
& G" O, l3 U1 f
to setup-turtles
1 c# l) a# [" e" ^2 yset shape "person"" Z! u1 w+ F1 _0 A, h# \" w
setxy random-xcor random-ycor
1 }1 t. }; K& F R4 aset trade-record-one []
4 Q2 u2 f5 c' u0 Q& A8 c) N$ k+ u0 o8 C3 r' n+ B
set trade-record-all n-values people [(list (? + 1) 0 0)]
' |4 M6 b, C/ i% K: N6 g: t, D: W, W5 ?4 \. f, N$ r. h7 ?! |! |
set trade-record-current []
8 K, F# x* N; {; e4 Z n! X& o! l8 mset credibility-receive []
X4 b4 K% ^: t! zset local-reputation 0.5
; R' K2 Y2 ~2 v pset neighbor-total 0/ \& a' n0 X- g
set trade-times-total 00 S3 b7 d+ V6 p9 H. E
set trade-money-total 0: w: q( l b! ~
set customer nobody
8 G3 O- E% B- zset credibility-all n-values people [creat-credibility]
9 D# l3 t1 Y; r6 L0 uset credibility n-values people [-1]1 l2 u/ {" H4 g
get-color
6 z- _2 T8 j1 Y7 R$ a5 C2 Y: `4 Z8 n3 f, @6 K# e8 v
end& v" n& _4 m8 @) C$ ]2 `
9 s: }. D# A4 Z* {: w* w5 u( L: [
to-report creat-credibility. _6 y' v! p% B. }! B
report n-values people [0.5]& o0 N; P4 L' u6 _4 |
end9 z/ ^, T/ U3 L% d
1 z6 l9 r4 k# m3 t- n) {0 _to setup-plots
- P3 ]3 R2 _7 d) j' Z6 J
( v6 i0 ]* a, P7 b# Y1 U' vset xmax 30
& j0 X4 j; c7 O$ e* T+ ]1 ]( L* u6 f
set ymax 1.0
9 O4 K; P# s& Z5 C% v& S" q( s$ w) |
clear-all-plots
' Q5 Z; N* e8 |; P9 C P5 V; R) y5 S. s' ~" U" Z; T
setup-plot1" F/ n3 ?: i$ l. X
+ y& M) v8 A* j8 I8 gsetup-plot2
; R5 H0 ~0 b# I3 s, i. N
) C8 K0 _# @' J0 \6 Bsetup-plot3
F0 w& S$ b& m2 k+ Kend. F% ]: ]% E: U% B: `* ]
: ~$ x1 Q4 S E
;;run time procedures, z7 V& w; @* @* ^/ s4 b, M
% Y+ O5 t* K6 r3 O- U: X& s" W }to go Y% d1 g1 C' u9 A# V& {) V
$ g& c$ X9 P4 @: Wask turtles [do-business]
$ M, X; o5 z9 B6 m( Mend4 u* c0 g# D3 l+ O
, Q4 K: _2 S3 P5 o5 tto do-business
w0 i7 h4 m3 J7 K& {* r) @
5 `5 T( Z Y8 ?* u' A: c8 q, D+ K7 P' u' R
rt random 3604 n [ H' y) E+ T# l0 O; _5 b) @
: {3 y, [. D" g/ @
fd 1* k0 O0 r( O4 n( e4 f, | N/ M" H- I
+ H4 `5 A! M' z& eifelse(other turtles-here != nobody)[; V1 O& y d% a. p& {3 `/ H* O
. ?2 D2 b: ?4 F& R
set customer one-of other turtles-here) c3 f) [7 ?# _* {* j
2 F" ~" E3 T! e" ^* _" P4 E& w& i;; set [customer] of customer myself
) |5 W5 x# N$ X' A$ ^3 X6 g' q2 @
. f/ d$ K& e4 E! Q- Tset [trade-record-one] of self item (([who] of customer) - 1)$ W! u3 e& V# Z: Y" \+ ^
[trade-record-all]of self# S8 n1 r# I% o. ~- v$ A- n3 V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 n4 q' Q% y* l8 O- P! ]1 N2 n. x) b0 c0 d# Z1 {
set [trade-record-one] of customer item (([who] of self) - 1)
5 u. _$ ~& ]6 @5 [[trade-record-all]of customer
$ e9 Z5 A% B, N3 s& f3 ^- _# |+ _+ O3 T' @
set [trade-record-one-len] of self length [trade-record-one] of self
/ o( ^! ~( |: c* z
) D" o, l$ j" h$ l! m6 Mset trade-record-current( list (timer) (random money-upper-limit))
7 q9 X9 C% m! B- g+ D' \4 Z
) b* C% ?; U0 ~ \ask self [do-trust]$ F5 y0 k( r: M7 H) k
;;先求i对j的信任度
# d) {& i6 R/ j7 d. a: h8 ?& H* R# a% X9 P: W
if ([trust-ok] of self)
. h# u6 ]5 w6 F; b$ \( j;;根据i对j的信任度来决定是否与j进行交易[6 [# @! F/ P8 F: O+ P
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 G9 _0 U9 H, c# T3 F$ ]( t
& u9 L u2 D6 v1 I3 c! A. G
[+ b. r' i, \5 E
' c3 @7 A8 t: ddo-trade
5 n; U& V/ W1 o3 x( z; C. T& K8 m! N3 d$ N% K. k
update-credibility-ijl
% i0 w! U1 j/ ~5 M9 Q0 r' r! z6 R: x
. R c: V! z, c* Mupdate-credibility-list
1 A8 \2 Z: g+ X+ t4 K7 I- P7 G* @5 V$ z f5 W' s" t% }
* ?: D; F# ~1 |! ^2 L3 E& W; U% l
update-global-reputation-list$ Q# @; D& t* \1 r# R7 G. B
/ Q% [4 P0 Q+ b) N" |* l5 e- f, X2 X5 C
poll-class% T$ ?2 G- ?' }7 Y3 ~$ O" u
- K/ P' d( l' Uget-color, P t; L# s% j" \2 V5 j
3 u3 W; b0 g! {]]& N! w% W2 a: {+ n
0 ?2 e" ]1 J8 r+ L
;;如果所得的信任度满足条件,则进行交易
* _% }* j' e# _* E0 T7 m
2 `- @( h/ L" B0 R3 F[
( K4 H# t) |& e d! M& O$ ?
1 A2 L7 w; U; _5 v8 ert random 360, I3 P8 n* S: q* \; n
. E" l. R# q5 i8 ufd 1- C) p! @. k7 |
( s" E$ p9 ] K' N; z]4 T6 _, c c$ J# ^; a* \9 U4 I
9 B: k8 s3 @) t, h1 F
end0 V8 c) J! [* l' S7 y* |2 z2 m
) u, f% ^' S/ A! R, nto do-trust
5 K9 Q* t4 o) l* ]# vset trust-ok False( u) Y+ l5 v/ e A! z: p
- t* n# s# U4 U
8 W" `% R% n$ O. f) j2 Q( D: l' ~/ Clet max-trade-times 0) U* Z3 k/ Q ]/ V2 a6 o h
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ a5 }2 G( x0 e( F5 O# j$ p& J* G
let max-trade-money 0
/ D1 s! P6 }$ j( \0 J2 ^" ^5 pforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]+ ]2 Z5 Z7 Z4 N V1 _
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) c+ R; J& z+ N4 q6 e
9 S7 Q( ] ]/ K3 w0 U! V" u
9 A7 q$ k; s- a, \4 Mget-global-proportion
" B X$ {4 m8 ?4 X; ?5 ulet trust-value8 W: g, m: V( n' o/ r n$ D
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)
- f7 j! W- H, i0 t8 T8 |if(trust-value > trade-trust-value)
N1 A0 R }: M[set trust-ok true]# e% `% d W& r7 d6 x% ]3 o, m
end/ @: L- @9 u& g; @
1 o2 O! {: h+ p5 G4 G# g4 g# Gto get-global-proportion, }& a( W3 j9 ~ u7 o) B8 q5 D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* F% v7 z& ~4 p0 }' }[set global-proportion 0]
9 l# R8 h4 m$ ]+ A) z& v4 d: Z[let i 07 R7 J4 l4 w: S& b& }
let sum-money 0
0 l: K" P0 l' \. P/ fwhile[ i < people]4 l; q/ Z# C: Q, b, o
[* r# D. O1 N% v0 c+ f
if( length (item i! D2 v1 @8 K+ D, R
[trade-record-all] of customer) > 3 )
6 s6 X4 U& l6 q: e$ Y[
- g+ p! s4 j; ?set sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ f9 k V+ W& V- w/ `3 i) }
]$ ?1 L: @5 J; b4 \6 s: e# I
]
5 }& U# q, z, }( {' R( Y. Clet j 0% m' v$ V9 \" c7 W, Q
let note 01 t; b* Y1 X5 f
while[ j < people]
. S% C; v2 }2 S6 }6 ~, b4 S[8 J( Z- N7 B; |
if( length (item i
3 N, p8 G1 W+ U) S7 z7 }[trade-record-all] of customer) > 3 )5 F- W* K& u! }- m: D) w7 n
[
$ E! _) \( c% }6 G& v, s9 W$ Qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: E+ R4 `& W. \7 a" X Y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! B. t2 p8 o- {( o! }; a& U r9 T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. ?! r& Y' f L3 d4 \, ]
]1 O1 k0 k) B9 N4 ?3 U# R& v" q
]
0 d7 ~ Y/ ]6 e6 Q7 Hset global-proportion note7 h6 k5 F; x7 b2 Z, I
] Z4 x9 s7 c0 L' m! k! M
end
2 E, X6 B# H! K& ^2 V f( i. z* O+ H e# b- D5 }1 F2 m6 V
to do-trade
/ k6 ^( [: U+ H* s$ u r( O2 x;;这个过程实际上是给双方作出评价的过程1 K* N8 Y) d# M1 M% H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
# c2 O* y4 N! @$ \7 A6 B: Q8 B2 Uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. H7 K a- G3 K9 S- @% e1 v
set trade-record-current lput(timer) trade-record-current4 r9 ?8 y9 ~9 j
;;评价时间7 r5 M) \( L( E, A1 ?+ q$ }
ask myself [
+ ]. j, v/ t5 U7 @( jupdate-local-reputation
& l; L# n4 S. P% J: Y# @0 q8 gset trade-record-current lput([local-reputation] of myself) trade-record-current# G' [" B0 l4 _9 F& M6 T
]( h G" l4 j1 S0 O
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# U1 l" J5 W# B' \( y+ ?
;;将此次交易的记录加入到trade-record-one中! X' S; G3 {. K- I! ^: K
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). L/ _9 _- O5 V$ F! Q, A3 r
let note (item 2 trade-record-current )' M" d$ k8 F2 E( t7 _4 Y
set trade-record-current
+ ^: A# j. r5 H1 V# {& j8 K(replace-item 2 trade-record-current (item 3 trade-record-current))
# d$ j9 H* i" f5 F5 t5 u" O* bset trade-record-current
/ ~# }. O1 F- h2 Z(replace-item 3 trade-record-current note)3 r5 }6 `" E4 ^. T8 u5 [# N
( y# Q% p" e% Y- G# q2 i
; C8 s6 g& g5 [# Yask customer [
3 c A7 n+ D* \& h. Bupdate-local-reputation
1 x+ b) T6 o: a/ I" Xset trade-record-current
& ]. X1 C- N# L( z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
; i' X8 h% b& ~7 E( r8 E) e3 M]
, O& G6 z& [. ]9 }- D" n' Q+ C- X! ^: X$ d3 ?: O! F
# T8 p+ q$ j0 A- {1 Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; n7 V @$ H: q8 u9 s% z6 _, I0 T/ O; C ^! p
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& s5 g! r+ c* ?: @$ X1 `8 _+ L
;;将此次交易的记录加入到customer的trade-record-all中; f, ^2 W/ y( k, I8 z; H
end1 d$ u2 w5 R6 h% e
0 v1 ?3 _5 Z& wto update-local-reputation3 x* o- g, Y, ?6 t
set [trade-record-one-len] of myself length [trade-record-one] of myself+ W( V* e! x- U( p# I0 @! ~
; C. s( {* M% L
7 x1 p# X; n$ f8 i1 x" R7 i, o2 G;;if [trade-record-one-len] of myself > 3
8 ?' Q( |0 R- G% ~6 g% F; H. r w- lupdate-neighbor-total
6 E* U: s8 L x8 k5 V1 Z2 O4 x;;更新邻居节点的数目,在此进行5 l3 f* D) \. u
let i 3
7 ]* i7 ]- T3 g. ~let sum-time 0
+ ?* |7 w' o3 K6 a4 M& ]5 {while[i < [trade-record-one-len] of myself]7 b6 y$ f" L4 X4 f* Q8 h
[$ g @; G% G9 ]6 M4 n9 x3 q: g
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) g* X8 X6 F1 a3 k
set i4 {6 Z7 D: g4 \7 v3 n1 W
( i + 1)
/ l) r! c2 Q3 t7 {4 h5 f4 T]! e* M/ E+ \/ G; b# y
let j 3
( m) R/ A7 W- T4 j; F- Zlet sum-money 05 [5 {2 j J& q2 b$ f$ z+ n- ^! v
while[j < [trade-record-one-len] of myself]
* D8 q/ @" l' r, j/ M7 L[
; g; D' J# `0 \5 i' l8 z; Kset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
' [ B0 f+ I$ U* Y2 zset j& y. Z2 V+ a4 ~$ x
( j + 1)3 A# o D" X9 q+ p" a8 @# R
]
\' J1 m4 d2 x3 D: y1 nlet k 3
+ H2 k; \ r/ e9 h3 ?, Glet power 0
6 l1 c. H. z" g; N+ \let local 0
( n) A3 l {5 dwhile [k <[trade-record-one-len] of myself]
O, E' k" m7 `: d[
$ H" N' d# p5 f, Q% ~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) , @6 s* M: i. y, u$ W& j( B/ z% d* ^
set k (k + 1)$ v& \0 O4 ?& A/ e9 q1 ?
]
- \" |' w& r, h7 A- Qset [local-reputation] of myself (local)
@0 o( \, H" n' y) xend7 W/ b4 y3 c4 v4 W x
) t! @5 u) W/ M* N' u! ?
to update-neighbor-total; M9 x) M! \1 C% `
2 V* m3 C0 H' ?2 o' u
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ }0 V/ l: V8 T U! X
' k1 I) y* D/ W3 M6 u0 \" S! P' E3 I# f1 ^ D
end9 }$ M! N5 J: r9 v8 K
# l% u/ V1 Q' ^5 I" ^0 v) K7 Nto update-credibility-ijl
' L- J/ W! d0 L. c3 e0 S; X- T
! O& Y+ b) z/ ];;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。
" e) K, x6 X3 i E, ^/ x g1 jlet l 0
8 F$ c; N. [, Ewhile[ l < people ]2 T# i# k7 W) K8 y4 M i
;;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
% ? I f* Q% i[
$ _ ?3 y7 V5 t. I- A/ Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
- D, I5 V2 O }7 n- S- Eif (trade-record-one-j-l-len > 3)0 U2 G( W8 z2 t1 f/ B
[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: i4 U6 y9 W; k, H/ |. b& I
let i 3. s1 S' i7 B( B2 g+ C) C6 J% o
let sum-time 0/ S2 _4 R$ r1 J0 s' V: I$ r
while[i < trade-record-one-len]
( ^8 v3 t# M( g; X0 b u' Y8 ]& K) I. z[( }. G% F: m" {% B$ |. O3 \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ _% J p2 _# E2 }. Y! \ ^+ Yset i, ~, L4 L2 [4 E5 U) q1 a
( i + 1)
, a" ?" |7 |" M# x+ |5 H4 {, W]
' |) ?3 I0 O+ Wlet credibility-i-j-l 0; ?" q% u' h9 {8 f5 d* p
;;i评价(j对jl的评价)* w( i7 M7 i @; z9 g. u% a
let j 3
9 J! Y& T5 J5 j' o) t& J- glet k 4: b2 j* i% c F
while[j < trade-record-one-len]- ~( ^: z: B; ~ z' ?& R) U
[8 N% V2 m0 l4 M* L; J+ k; k
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
; O; p) ?5 G$ j& Vset 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)' M6 y5 f6 {& }4 q* l
set j" z8 [: B3 a* N# A5 d
( j + 1)
& Z! J* V+ u) M]% J) `% @) V! |6 h; z$ d$ U) ~
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 ))
) H, n3 y/ f2 h4 p( v* {: N5 ~
1 f' w$ l; d% E9 _4 ]
; @! u2 V9 C; u) P" ulet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 r: e8 G* g4 A" q0 \* V+ A
;;及时更新i对l的评价质量的评价) U1 t. m+ @4 W) v/ K
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' j" R6 e2 b! `; d. Q" W
set l (l + 1)
8 S9 E* ]: K1 O! v+ C, z9 g7 E/ E]
- \, l7 ^5 d7 H7 dend/ [% Q# p) ~ I: u+ `
5 i' ]2 s3 B5 uto update-credibility-list6 @8 E6 b6 k3 }2 t+ ]
let i 0
/ k5 s1 \ o! M" ]8 R: H l4 owhile[i < people]1 H |* B* _( N
[
. ]! L! ]/ u/ b1 Z/ Ylet j 0& R2 \5 t% ?! E8 b) C
let note 0
* \! a7 K: H' blet k 0
% b' x/ Z2 c+ f;;计作出过评价的邻居节点的数目
- w Q) V7 O! u+ O9 C% B" W: Lwhile[j < people]
* }! o( J% Y) b, n+ ~[2 `5 D/ ?8 \& ?2 Y
if (item j( [credibility] of turtle (i + 1)) != -1)
v, k+ Z$ l. L1 P" H;;判断是否给本turtle的评价质量做出过评价的节点3 m) C$ [- G. ?5 I2 T; R; [: f( R
[set note (note + item j ([credibility]of turtle (i + 1)))
4 z. k. A# W2 b& P: N0 @;;*(exp (-(people - 2)))/(people - 2))]8 E/ {$ \+ E; i& q1 `: K% g. a. b& J
set k (k + 1)
; g5 r- n+ t. r9 M1 ~, N]
0 n( e5 } [1 a Aset j (j + 1)
- |8 V+ U) w4 v/ R$ B4 i5 }]/ n- A$ J M* v# j3 c
set note (note *(exp (- (1 / k)))/ k)
, W/ `$ d$ |7 k& g. u. n0 h+ s, cset credibility-list (replace-item i credibility-list note)
. o3 O& `% X* ?* [8 ]set i (i + 1)
- i/ `+ S9 A. s u/ h [) d" F]
$ @" i1 r& w# m7 Q4 i tend ? ? z2 w, g% \9 d: j0 a
: f. ]; x1 x) Kto update-global-reputation-list( s& p! C- p( j! R k& X
let j 0* o$ u& p1 j- p p* w
while[j < people]
, v- O: G4 S" N: B7 G[
" |: V8 w/ |. jlet new 0/ K6 |- ^) [7 W0 m& u6 C' @6 F
;;暂存新的一个全局声誉
# j/ R' N9 g8 v" i4 Y2 ]$ Llet i 05 s: t7 D8 ?2 u
let sum-money 0: t8 O6 F8 V3 g1 P3 f& j
let credibility-money 0
) v! D/ @/ F$ twhile [i < people]) ], T5 ~! G/ @) S7 Y
[# |7 [1 S4 x1 k& {0 W5 Q, f; M2 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 W- z: z! x: q ~/ a# Nset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 ?0 R) @$ \% w2 s% h" V5 e
set i (i + 1)$ g7 u9 `7 q. |) t9 A
]% Y2 F. j) H" V2 n3 u
let k 0# w8 p+ w! l- ~1 T8 i
let new1 0
' \+ M( E+ v$ A! ?& Hwhile [k < people]
2 A+ g: x, y/ h% K; L6 `[' o' i/ u! l& e# m( q+ S
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): D9 |; B- m0 [& T9 ~0 H, ]
set k (k + 1), Z1 n- d& i3 P; Q
]
5 P( L7 Q0 t* i3 M: Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: E) A; g/ H! A( U s! i6 Rset global-reputation-list (replace-item j global-reputation-list new)
+ ]6 \7 B: e* T! U' z3 `* ]set j (j + 1)
7 g$ n9 ^* x/ p0 N' ]8 [5 S2 Z4 X8 S2 c]
: B% F& j* ], m! P, A4 {" z* d: P; Uend$ L& G" W+ v4 [/ u; u1 e. y
. E' w' D1 }/ a& ]4 v/ M& `% F8 s% e6 M# w' }: \3 P$ n1 z
( m2 G6 e6 V/ M- {1 ~to get-color$ M' a4 {9 \+ g0 G* n) c. g+ m h
% n, Z' o$ h: m1 z& M4 o4 Sset color blue
8 [! w N$ h9 I, Aend
1 M! _7 o5 C I, z0 M
7 q8 l, ^9 Z. l4 [. w- j: Ito poll-class1 b- j% T1 n" x; A4 n% M
end
$ T7 z; @6 Q; z( J: W! B1 Q( d& m4 c: J# n- T. X
to setup-plot1
( b' j' D9 \) W
, P: U0 m" |* Y3 vset-current-plot "Trends-of-Local-reputation"
) t& J K0 K6 _5 p: Y k& s2 v ^$ Y& e3 l3 F2 X% ?& z+ x
set-plot-x-range 0 xmax% i7 ~' Q: b# y( u1 a4 B
2 Q$ ~8 |" n: u$ N- l7 Oset-plot-y-range 0.0 ymax& C T4 c4 g6 ^: h/ F
end
L. {. S# Y' _0 I' `+ {+ G+ g/ X7 D) Z
to setup-plot2
9 ~3 r! p& ]( j& Z. n$ n5 Q- R/ ^( Q- E7 U: [' S2 T8 Q% B+ b3 e
set-current-plot "Trends-of-global-reputation": P) J+ q0 H! T9 \ E) X
$ u* u0 \( U2 W1 M# Z4 B zset-plot-x-range 0 xmax- S( Z7 T+ `! i2 K
6 }1 ]+ i% r9 L8 l, Fset-plot-y-range 0.0 ymax
; A$ o p# n) o* @! |/ Kend; r1 y# Z: n3 t7 I5 E% u% ^% C7 t; s
3 x+ F" _7 k8 f- t. q7 u3 Z3 U
to setup-plot3& z; P9 x2 g3 A0 m" x* i1 r; e+ j5 D h5 r
3 D9 W' F8 m+ J- Q3 k
set-current-plot "Trends-of-credibility"
8 D; ?7 A. ]) x7 B( s: Q" n, v$ H: O) N' O$ ~; Y! I, a) \
set-plot-x-range 0 xmax
9 x |; ]9 e- b) i3 U+ d# c5 F& j; x9 P5 Y9 u a
set-plot-y-range 0.0 ymax
# t+ m9 L: x. C, B" Rend
7 c" F9 G$ y9 N' ^0 z3 S: ^- x. x+ [5 t
to do-plots
6 j0 H3 Z8 R7 }+ t& c; ?3 c3 a7 Xset-current-plot "Trends-of-Local-reputation"2 `* s, D# I. a; X0 C1 l2 L) Z/ Y$ A f
set-current-plot-pen "Honest service"
. {3 P$ w: r" cend$ {, w7 o7 a" H& `
" u8 W, ~4 c& s* @9 V$ n/ s6 D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|