|
|

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
( ~% j% d2 }* v$ B2 Lglobals[# Z: J1 ]) s* P% e) o- t; z
xmax
1 O6 S& l4 p$ N0 \* w8 Xymax( l% k V! z% j$ e' \! |: E* z
global-reputation-list# P4 N$ _ p5 V8 h5 i: j @
0 {& p: G: ] ~7 y3 l1 i, H; Q' ]
;;每一个turtle的全局声誉都存在此LIST中
0 z3 I+ G: S6 P+ Y$ B9 U: icredibility-list
' h" _% N; R0 k8 |;;每一个turtle的评价可信度
$ X& L6 p# Y) h2 Qhonest-service1 W; y. e% h& I5 s$ m5 ~8 N- n
unhonest-service- v3 U, ^. @/ D, r
oscillation
- k7 V) i1 I) A& ^rand-dynamic* p% B" d, _# c8 h2 }6 ]5 v2 l
]
( m, ?2 o3 r4 l* m; p2 N$ u& B( o* t% t: _# U
turtles-own[& l8 K/ s9 i5 `
trade-record-all
6 Z3 X( @0 x+ g$ b$ R3 m;;a list of lists,由trade-record-one组成; f* k( W# R% I5 U
trade-record-one" S: I4 m G; h. ]; g' z: 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$ r6 N; x/ y& J
/ u. {, n5 F3 {' ?9 ^5 F9 s" v
;;[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]]- D+ m$ |$ u# v& G
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]3 ?: p7 }/ @0 t0 y( r# r
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
" h+ Y5 _$ y% f# Q- I9 |- `- Vneighbor-total! C8 t) @; w7 j! ~' K1 X
;;记录该turtle的邻居节点的数目
$ t, c2 c) m8 N3 h4 g2 b* {trade-time
) {2 j o3 s9 K* W;;当前发生交易的turtle的交易时间
7 {' O; ?' Z1 T& b+ n1 |appraise-give
+ M* n/ Z3 K1 G;;当前发生交易时给出的评价
. C' u8 L) N0 v5 e& E) f3 D2 T3 @appraise-receive
0 e. N2 ~& j) q* z) c- I0 l;;当前发生交易时收到的评价: c( q# _! W! Z. b
appraise-time
% J; Y3 ?% T E) y! B) i9 D0 v( ?;;当前发生交易时的评价时间
" c: P8 P/ q9 S8 y7 R" v' Slocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 d4 k2 l5 ` h6 P$ t0 Ptrade-times-total! F1 @: G/ N3 N8 w5 [
;;与当前turtle的交易总次数. }2 f$ G; I2 @
trade-money-total
; x y, F$ _" j1 U, l;;与当前turtle的交易总金额7 C& [* O! x) {
local-reputation
( m: s p5 k5 P, x: f% @" V# L, c2 Tglobal-reputation
( j* q' a* j6 wcredibility1 b: R' @( s0 ?; q
;;评价可信度,每次交易后都需要更新
. l$ d5 U% C: R9 M3 S7 P: m& W7 Acredibility-all i7 ]5 J( O4 }2 k9 o" R# ?
;;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
5 N3 g# P0 S. d* m( x- m$ b
5 Z" r1 f/ d7 p# H& K;;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# A' ^+ R5 u9 z, p: v3 i8 X
credibility-one( ]/ Y2 X. V a B5 A
;;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 A% x8 D5 _/ |+ ^) Z) Y3 V6 i+ g
global-proportion3 \+ {2 v4 ~, a5 F" n- I& u
customer
3 y) b* } Q$ }2 x% w' vcustomer-no1 ?& u( b: ^1 Q. {
trust-ok
" P5 P" n4 m+ ]% }' |trade-record-one-len;;trade-record-one的长度
- [9 r8 ~0 a" I: S% T; [; f7 {+ {]
8 N w$ P: }4 O& I3 L r1 g. H+ C p
;;setup procedure
/ E; B( ?5 ^0 Q" |9 n" ~2 ^# @6 f& r* o/ I* K. S) J0 r+ `. j
to setup$ i4 r, K6 E. K8 N
& v$ J7 ]# q! D- `7 Fca
, G6 e f' q( m8 O4 w5 n) E+ H- Z- o- U0 Y* X% Z6 x% D; w9 Y
initialize-settings6 u& A7 e* h8 n
% k/ n/ E- I M, u/ @) {
crt people [setup-turtles]
B$ T1 W0 K+ D/ R* y) f' O3 h
. i2 i$ e3 M1 p8 \6 Areset-timer
* v0 [6 N/ p! B3 p3 s7 `
' B2 i ?* H8 t% rpoll-class/ q, u2 J5 g: D3 o: V
4 K1 r: f) u# w
setup-plots% \( x' x- w/ Q
( u6 Y# e! h/ N4 \: k! C
do-plots
! }: I1 r- B' B8 Q: E; o/ K4 ]end
9 o- U, H: z' F( b, Y4 m3 E, y+ }5 _* w; {( R
to initialize-settings7 M, N# E% c2 ?! w- H' Z
$ ^0 n8 W; e" e
set global-reputation-list []1 Q" n; \: b" z0 O' a; W" w
! v$ ~; O8 b- }: Y# k
set credibility-list n-values people [0.5]
/ A8 c8 S- R" e$ E' J/ S
+ J$ W4 d% T% r* t- e0 X; d. qset honest-service 0
9 [6 X8 ^7 X/ P) B. U7 F8 q$ o- r3 V: M0 E5 e; L6 s5 F
set unhonest-service 0
# t/ k$ ^& M& p; y0 ]8 h, N& |4 V% E/ [
set oscillation 0
* c+ Z/ h$ t( B1 e$ }) v( Y% [& `7 ~
8 `. n7 W5 V* _: e3 P3 ~set rand-dynamic 0
5 M- n5 H& k5 [+ Y" d8 }1 K, y6 Kend) {9 U+ O6 O; h- @7 U! G
, u1 Z- a* _7 ]4 J8 w7 Mto setup-turtles ! y/ S9 y0 T1 L _
set shape "person"
" c/ q% ]+ v6 Z' fsetxy random-xcor random-ycor% M* f; `( |$ P. r3 k
set trade-record-one []
) z# v8 M7 a* K! n3 o7 v6 K8 ~$ J. u+ u0 n7 q
set trade-record-all n-values people [(list (? + 1) 0 0)] # C9 J" }" ]6 \! o, @
) F+ ~% n4 R y% v; n ]( T' I
set trade-record-current []. l3 p* o2 m- O7 r5 i* Y
set credibility-receive []
. d" t) t# ~6 t0 y6 s0 c9 Fset local-reputation 0.5
4 S1 M! ~9 D R* ~, b# Hset neighbor-total 0- l7 U9 n$ q5 z; f; ^
set trade-times-total 0
' x% m* u1 U; ~! O/ jset trade-money-total 0. D4 I( Z+ ~. T& K+ Y' Y) R. K
set customer nobody \+ _3 r0 V4 p3 _7 Z
set credibility-all n-values people [creat-credibility]
! O0 t; ^/ W' x6 hset credibility n-values people [-1] ~% X) {* B7 j% R n; A
get-color0 p5 G. B+ \; I# {' k/ W% {# q6 @- q
0 }0 s( M2 j: ?4 K
end
u' O$ \' T% c- n. ?" M$ V8 T$ |( l8 a& R, e8 V
to-report creat-credibility! Z7 X* N7 m0 C! w+ b9 }, c
report n-values people [0.5]
, B. ] V3 I! Q: N. t# X5 W) v6 @, _end
' u! G4 ^ N) L5 `
, G1 h3 I! h$ q3 \to setup-plots
8 L; b& S- c, H* |& x. p+ Y- x. s8 ^
- C9 h* [2 ~5 F/ v; |, i7 M2 x* c6 rset xmax 30
: S) q% i" s8 S4 m- A# X* f0 j4 C3 m5 G+ d6 @6 W2 ^& P
set ymax 1.0- R; @6 H% W {" a# C
1 m0 O6 m6 P4 [7 r. z- {
clear-all-plots3 I+ Y' M$ S2 ^* q( Z7 h$ @; X$ J/ {
1 Q4 U9 m: m& i; \* t0 }8 X
setup-plot13 i4 L1 t2 ~2 t* ?3 K, y4 ^
; s# D. X, c' }/ {7 o! {* h- i L3 @6 a
setup-plot2, e- X3 Q: w! c1 h' X8 {! `5 C1 B( S
3 o/ r8 z3 Z! D8 u% |- X3 O
setup-plot3
! `) R5 E' ]9 ]6 r: O5 rend! O" u! Y s1 ^8 B& g+ S
/ w" W( @& v% `( W+ \ M; Z- N
;;run time procedures1 @* O7 Z# Q% U1 D3 S/ p
2 Y, @3 |# o/ {
to go
& @( ^" n: `/ ~7 y$ o, Q1 F$ N, k
7 ]* _1 O; D5 U- C" \: Q0 Bask turtles [do-business]
1 \7 m# u6 t. u6 U `9 Nend$ V# \' m9 S$ D) X8 F2 q7 p
/ u. N9 X3 G0 p# r! f
to do-business
M0 c9 G( m% c- s: _! c
) ?2 K. N0 p7 ^9 D3 {8 C3 A0 G, L' g# x: L i4 n
rt random 360
2 Z3 M4 n( F* R$ X. @. q- A& c3 E, w% C( z H, A( j
fd 1
) K! z/ i2 X1 o P' U
9 b$ D$ Z4 f! O$ e; Lifelse(other turtles-here != nobody)[% n& p6 }9 f% `/ `. o, K0 T
( a* w7 |# E) f5 e3 v, Yset customer one-of other turtles-here" G3 I8 o9 g i1 f6 O' [
" \4 f% l+ R2 u$ _4 o% e$ Y4 D- T
;; set [customer] of customer myself
5 }) E. H; N) z/ n' f2 f
0 j% a" s$ Y; k) Oset [trade-record-one] of self item (([who] of customer) - 1)
. p5 d" R1 \4 E7 j7 u/ R+ O9 x[trade-record-all]of self
! }8 y4 D; U+ b& h7 r;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ \; O$ j1 b6 r+ u
" k/ E M4 b' }* D
set [trade-record-one] of customer item (([who] of self) - 1)4 C! v& u# S; i: J5 A7 A/ Q
[trade-record-all]of customer
8 B o0 b( U* c6 ^0 Q; m3 y& D: j6 G# a3 V, i( k3 R. ~9 f1 Q
set [trade-record-one-len] of self length [trade-record-one] of self% a' D" {- s o
$ F: S3 n% Z) ?. l* ]) G3 _
set trade-record-current( list (timer) (random money-upper-limit))
2 I' f- G" V7 S7 i4 J- Z2 _ P% b5 O
ask self [do-trust] Z& ]1 s1 L3 R" H
;;先求i对j的信任度
4 [8 q! f# L+ y- o
% I0 {" L5 x& }5 z, gif ([trust-ok] of self)
/ V& e2 v1 S' ?;;根据i对j的信任度来决定是否与j进行交易[
/ q6 s3 F, I9 J4 n% X9 h+ nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself- A e9 i! i7 `6 e
8 v& g) u% ?! \[
' s1 |# s1 a' B0 L2 w" m/ N C5 l: ]$ e
do-trade8 |# S( j4 w' o2 s" X' B
; m/ ?. ]9 @5 w5 Y" j8 S/ G* k2 t
update-credibility-ijl! Q9 N/ B) S$ ^8 R& @6 y% G
! }; O; H) |7 `9 q3 i& nupdate-credibility-list9 K" `# C; C S; f' A+ f
3 ]1 O% P( c5 u9 }7 J
7 ^7 r0 H# C9 c3 X [, xupdate-global-reputation-list
2 ^9 d8 h) |5 H* t ~( k, q
4 Y! R* a' z+ F3 O& Kpoll-class% ^$ G5 o& }, ` z F" }& U
# E) L% ~6 i0 V8 n/ D
get-color' ^! o: ?) E' S( R6 ^( M9 i: C
b [) f/ [2 ~+ C; F]]- I# O3 |: A# q( T5 }5 L4 `
5 i3 R* [5 c1 \3 u- C" _
;;如果所得的信任度满足条件,则进行交易" M4 r6 `" V: o
4 w# e" X4 h: @2 v. r[2 Y$ [; C" g! `
6 V9 E; e( u8 \+ R1 mrt random 360
3 ?( \1 G. i1 H9 ~) s( ]: L( J! s' r+ `# Y; e
fd 1
& C1 V6 Y0 o, y; V5 o" e# k+ {/ L' Z2 ^, [. ^& l: y2 e5 _) _! r
]9 D# |4 b: L9 y3 i
" T& z9 P- e8 b4 z# H4 K
end
n8 l/ i4 Y. n3 h4 l. `/ V$ v5 c5 ]" Y/ o! N l* _& @
to do-trust 4 H" H: m) {4 b8 J/ i) I# z; q4 u
set trust-ok False* W. u8 L, d" K3 J) z+ k
) |+ v$ A! [/ E1 d, S
% G$ J( o* ^) w! ~let max-trade-times 01 \4 R+ |+ w0 T4 F# S' a, z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 m6 a8 V& a$ n2 _let max-trade-money 0: p k* q9 A, l5 A3 z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ C- D% U. {/ t; _, w, slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 S$ x0 n" l/ [0 U7 x- q& h% a7 h& z2 e4 C0 k X: F9 ?
' b4 X4 w& E) s9 \1 Cget-global-proportion
& `: m) _/ n z& E1 ~let trust-value
: B" w# _$ D" ?& E' n: w/ jlocal-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 `0 I: x& x9 S5 Q+ J
if(trust-value > trade-trust-value)
7 a C8 h- Y* |; H+ s- F[set trust-ok true]$ B b0 `1 V! n9 T s" U( n% Q
end
( `/ Z# A4 ]1 `$ J6 a2 c, h/ Y
Y8 U" Z$ ]' [% M9 {- Mto get-global-proportion' [" Y$ U. B+ M* a
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& t* _3 t* b: l' { h0 i# ?
[set global-proportion 0]) z/ |6 O! V- [* Z
[let i 0) ?8 M7 g) u8 m. a
let sum-money 0. ~& R( q# F8 r" k
while[ i < people]
& N$ H0 N( ~3 t4 F8 S4 z0 m5 ?; t[
* Y# N1 B. C0 `8 _if( length (item i
5 Y2 Z n5 x8 h# ]% _[trade-record-all] of customer) > 3 )
- f# D/ O$ ] k7 r[: L. c0 i2 ~( E* G: X; P
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)); G/ h" D3 H6 ]
]* G: r1 d" i+ L# m s) G
]
5 M8 X5 N& ~: g- j8 s& Alet j 0
. ^0 F m7 \5 v1 y2 x! Wlet note 0
. k! w. ~' Z/ `; B" c/ w4 ywhile[ j < people]
/ E0 S4 z. K) B[
" s9 H% ?2 w9 {% `& H0 Bif( length (item i
; B& s3 i0 \$ R+ B+ E, I6 u[trade-record-all] of customer) > 3 )3 Y' i: I s% T0 L7 q
[, a& }8 f# C9 b; Q6 J$ E
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ y$ o3 I1 G5 O- v' F+ K3 [
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* y1 B; o" p0 O( B. d6 t% y. }( A[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% `1 r' ?3 O* H# N. J6 u]: Z- P0 X, c- `
]6 C- \3 P& v/ O
set global-proportion note
+ I% d8 `4 J+ j6 H& t9 v# l]
# a- f2 N# Q' a cend3 T; `* c0 j+ r2 m: ^* ], Z
' v- O" q9 R+ ^" v& {9 C/ \+ a4 F
to do-trade6 P3 N+ j, q' r; n
;;这个过程实际上是给双方作出评价的过程
Z. M6 v4 B c. \* Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 q1 O6 {# v2 V8 @# i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 h1 v/ S% a! X/ m% iset trade-record-current lput(timer) trade-record-current5 a3 y9 k) I2 a. \( I5 R
;;评价时间
0 k8 @) t7 _$ d2 b: {4 m" eask myself [
8 I, q+ j. U1 R& F( dupdate-local-reputation
1 D! V R. j2 Y) u6 Oset trade-record-current lput([local-reputation] of myself) trade-record-current% f0 N( E! q( U% i' S" A
]
0 K9 E( [% k/ d3 a/ Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ {8 g) j8 H' l
;;将此次交易的记录加入到trade-record-one中
3 K0 F9 d( Z6 Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! U( ] f& `2 O2 u! J7 y9 J
let note (item 2 trade-record-current )
' V; y( J( ^5 sset trade-record-current
9 B; U# x7 q6 ^; k(replace-item 2 trade-record-current (item 3 trade-record-current))9 S* Q3 ~6 L' ~( G! r& k- g, k0 d
set trade-record-current
* G: I8 l1 B% b* { |(replace-item 3 trade-record-current note)- c' U6 C% }5 u9 @1 v9 }
% c2 B% p6 t/ d6 J/ L! R! J* g9 B0 [0 l2 W/ ~
ask customer [9 `- m( r4 ~8 H& H0 f8 s/ Y. l- |# ]: Y
update-local-reputation
& u5 n0 @: D5 F! Pset trade-record-current
( Z( e( h2 k+ m" N" S(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
; ~9 K) b/ @$ _7 v]2 Y- L- ?7 v$ Q; o$ c" \0 c+ i
3 n' X$ u/ ?% j9 ~+ a- R6 }6 e! O: n6 `/ ?0 A0 K9 {
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! L4 a3 u" w* Y" m+ ]0 r! w* z9 M! v7 [" {* R. K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 t, v6 T7 m* C; x;;将此次交易的记录加入到customer的trade-record-all中& g0 a. c- r. u! L
end5 }: y- K& H& R& m" o9 r
3 {7 A3 _, B& G( W! qto update-local-reputation
" N8 Z1 i( n4 p3 gset [trade-record-one-len] of myself length [trade-record-one] of myself
1 P/ [! _9 g# U0 T- ^* v, M9 K Q$ P R4 N3 J$ l& ~
9 ~; d- S: g* y% J+ M;;if [trade-record-one-len] of myself > 3
% N" n9 k3 `8 K' ]" l1 A# }; Jupdate-neighbor-total
+ D/ d, Q" O a$ M8 X- n1 A1 j;;更新邻居节点的数目,在此进行
" Y; f. p- d+ o% k/ Y' Y- ]let i 35 s4 L5 `" }4 X1 E/ }0 ^
let sum-time 0
6 [: d9 z( z, F/ u7 K- o3 Z7 xwhile[i < [trade-record-one-len] of myself]% x: L! Y- L# U( N: d
[6 i, _' w7 E8 @( `- h2 l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ G' k! \- l) M/ j, J) G3 t6 Y* wset i
+ x) `+ w& d- q9 l* s/ g8 c8 b- o( i + 1)
: i8 V9 E1 t; o7 ]]
% `. r% f/ m/ d- n9 Qlet j 38 ~0 e; x0 X i' V1 z( ]3 f
let sum-money 0! m& I4 ^ R8 j- d2 r6 Z" L
while[j < [trade-record-one-len] of myself]
2 @. O& M6 N# m4 f. T$ D- k[
0 ?2 h, c8 m5 Qset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
( O' N! M. D# {3 ^0 Xset j7 Y: P3 K9 f! d _. E0 j' N* G
( j + 1)
) c0 I, m( y: [. c2 b1 z4 S2 a]/ S# K% d0 V" m4 N( Q. b$ Q
let k 3
8 _5 t6 j0 x" q5 olet power 0% z, b& O$ Q' p
let local 0
4 V0 [) N! K3 v q! pwhile [k <[trade-record-one-len] of myself]
- j0 O2 }& }2 t( @1 m% I[( ?# P' q9 T. @* l+ I
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) ) e% P" n" o( d+ A3 t' z( \& o, g
set k (k + 1). i( F% J& C! V+ f# U
]/ `& c, Q) _7 O! k7 Z1 {% g) H1 c
set [local-reputation] of myself (local)
0 R8 H. h: A Dend- W# k( d# y F6 b1 r- K7 q
6 o) ?# b; m7 L/ R1 D. V
to update-neighbor-total& p! B: F( p" `, q9 X; r
& X( H& ~/ C, n- k+ L( a* O
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) }7 @* f+ c8 A8 S4 a( H+ ~) Y
, B! F: F$ e) C" a2 H. a& Z, \) ~: h D6 U( ^) ?2 A. p$ v
end
+ r3 [0 h2 ]2 W& W5 F; t: ~& z. v0 P! S) D5 _; S
to update-credibility-ijl ; n* g. o. A6 E, {# S5 Z3 r% I# N
g; Y8 b$ d8 i' p, _7 l+ [;;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。& Q4 \- K: x( ~ E' I; z
let l 0
! g% C# A; P. e5 n8 f9 }/ D. u) nwhile[ l < people ]
' E0 w$ f* z8 A' X, t: B, 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& s% t- p/ P& ?% f9 E
[
% r- r h# T8 O R1 clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)& _: A) }& p9 Y; a$ ?( ^) Q
if (trade-record-one-j-l-len > 3)- Q! R' R( J" q: W- K) s
[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
/ d z) @: R- K Vlet i 36 a# A' h% A% S/ U* N
let sum-time 0
' o( F$ k+ r2 w+ J% vwhile[i < trade-record-one-len]
$ o% [' c# j/ i[1 V/ a9 c8 G9 ?' U- s4 o) s
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. ~1 s# w( _" S( kset i
9 R/ O( @0 |2 T( i + 1)
, m V, g( g, V0 E( u]* X8 Y( |" ^/ N- \2 M
let credibility-i-j-l 0
# l; ~# U) Z' C* C;;i评价(j对jl的评价)2 R: r1 k7 a/ q9 f8 X i- k
let j 3
% R7 c* [% T \$ m" j# flet k 4
# _' f- D! k. _2 Y8 S, X; J2 o+ Ewhile[j < trade-record-one-len]+ s& X1 z" q3 L' e
[3 D* m3 _) Z" X; b; U
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
& m4 W6 M9 Y4 f5 [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)# Z1 n+ J/ [6 Z7 P+ d7 G5 L8 E
set j
% O+ i" i t: a& d Q5 _% ?$ T( j + 1)
7 j; L1 v3 `# P$ {. h. M. i]# ~4 Z1 A, P" ^( I- t9 ~. x
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 ))
/ s+ W! K) @/ A/ s( v$ M3 t! W$ M% u/ t3 \+ O/ P) u8 O
' N& O: D7 K' z1 n A# C1 A4 x) e! l
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 w9 J3 S3 _ r* z1 V; D$ g5 L
;;及时更新i对l的评价质量的评价
9 q' M9 q* d+ l' }9 ^* o) H( R1 Yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 n3 Q* e' _. v9 W) {: d
set l (l + 1)
4 F- o+ X1 O1 u& o/ f8 k( ?0 M]& ^" p; M5 w3 h. Q2 e
end
, I0 o/ w: D+ R- W3 [
2 x6 K( [3 W4 _ ]to update-credibility-list5 n' F3 b' \- }6 p' e5 ^3 D
let i 0. ]2 ~7 [0 l9 D+ T+ [* O b
while[i < people]; j) q, \- h. I7 i7 U" s
[& k0 p) y: V. w/ F0 v4 _
let j 0! D8 c; _ C8 l6 d% T
let note 02 ~3 x0 y/ H6 Y1 P8 G2 G/ v, O5 b
let k 0
* z2 p1 B2 d' H; _; Q+ |4 u. m;;计作出过评价的邻居节点的数目: c/ r. ]7 X4 x0 P. F. V7 q. M- {
while[j < people]
" b4 F3 o5 B+ o3 h1 N; `. W' y1 O+ R[
5 j5 |1 Q e" d1 ]5 k5 b1 d1 t1 Sif (item j( [credibility] of turtle (i + 1)) != -1)
2 U- K$ g% Q, q: Y2 c' ]' N. K$ P. s;;判断是否给本turtle的评价质量做出过评价的节点& n' }, u6 U% |1 B. x
[set note (note + item j ([credibility]of turtle (i + 1)))# o0 q. t6 y, b# L7 l
;;*(exp (-(people - 2)))/(people - 2))]
. \. g7 g q; K; h- w0 g$ Hset k (k + 1)& c0 X3 C+ a- r- t6 F3 [+ V
]- h8 {2 P: V) a i3 n
set j (j + 1)' z3 m/ b0 T, ]: g, ?! |' J5 u
]3 F8 U5 Q) y) j; z; M4 m
set note (note *(exp (- (1 / k)))/ k)2 [ w; K! V7 C% g+ w, B
set credibility-list (replace-item i credibility-list note)
7 |% r* P2 S! }set i (i + 1): d2 P0 d! j F: u2 x1 o* p' e2 b4 q
]
9 [1 o8 I+ {, N1 W; E' O% ?end: u7 ?4 t2 V# X5 [% w) H( Z, N; @7 d+ A$ }
0 d, Q1 J% `( \# j) ~
to update-global-reputation-list0 g+ W5 \ l+ @( J. s
let j 0, R' T6 Z! R" g8 S
while[j < people]. Z- z5 f2 i4 {/ q; Z% Q s# K) n: ?
[
) h( Q( p, d, D7 K# {let new 0
- f9 [" c9 b# a( K0 f3 t2 V% b;;暂存新的一个全局声誉5 _; O) D3 n, `# M, i5 V5 t! B* q
let i 0
# S2 B; f$ M: n8 V2 rlet sum-money 0
8 N. [5 x' Y! Z* b8 qlet credibility-money 08 Y4 x# P f" q) Y/ c. W
while [i < people]. Q/ T- {; x' t$ `$ X5 O
[
. G1 |$ f% ]' \- r) y7 C8 b4 T5 w% Kset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 q: ^/ |, }* h+ d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ n$ m3 c4 j! b# l! V1 c' nset i (i + 1)$ {" }5 q6 k7 }2 m" X
]+ S$ J- O( h4 V" d9 ?' S
let k 0
! H$ a0 Y# C. c5 U5 llet new1 06 k1 S2 j+ e T0 E4 P% [
while [k < people]
8 f3 D |3 F( N8 g[* b' W4 {7 e2 ?/ D
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)/ U6 I, J" @& E' w2 |) i
set k (k + 1)1 h4 `0 w* @& I' H$ w
]
" c: t) Y q) V; @) f; T( nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 S! s9 L- `1 B8 ^- xset global-reputation-list (replace-item j global-reputation-list new)5 d; {* o+ ^- a; L' y" o+ ^
set j (j + 1)
. D" F) v1 G' N' O]
' `+ T y7 ~, r" ?6 vend) h$ k- C8 I$ |2 t8 V* F
+ W) k7 h) J5 H) K. W& N. h- R( S8 V) D, \/ z, u) F
* @! M3 ?; @6 f r# Z6 p! uto get-color
H1 q, _, V4 O! X6 G3 z
, N5 l/ } n( H1 u& Fset color blue5 m- ^2 p6 ?! J5 ]: Y
end. `8 C7 q6 x' I$ F8 Z6 t& `! |
+ z) U( {/ P6 f: S! vto poll-class
+ s3 k$ `/ t) B; b( H Tend
& L1 O* j) g$ y) l" C' a' n) r; u* i0 ]; w& x1 D( l) Y
to setup-plot1
0 E! B g0 j' f$ q2 ^ b- ^1 k
) {+ i4 Z C: x. ?/ }set-current-plot "Trends-of-Local-reputation"! [, {- x% v, Y& j; H0 j
+ M$ e/ l( z1 U1 I, [set-plot-x-range 0 xmax
: D+ N. j9 G$ J) ^- E( b
& ^4 X+ T% u+ ~% g4 P. g3 R9 D% _set-plot-y-range 0.0 ymax
+ k# l7 @5 r; e* b4 W. O/ D, ^end' l c# q/ O/ x3 U, j
' p6 S! H9 }' K8 ?to setup-plot2
" }/ j) o f& }3 Y2 y* M2 x6 V8 {' `
4 K/ G+ n1 m/ ~set-current-plot "Trends-of-global-reputation"+ v: m- x' v0 s) `6 F5 I; d
0 A$ y8 D0 v$ [' O/ C
set-plot-x-range 0 xmax: ?$ g, Q6 H; n4 b! [
5 K5 e- |8 b3 C& S9 W9 Q
set-plot-y-range 0.0 ymax h0 j) s1 |5 X8 k4 o( `
end
$ \/ G7 }+ _' a8 w, i# p' v# ` q' e# u- P4 V0 Y
to setup-plot3
" ^8 D. Q: {' ?0 V' P1 m+ A7 ]' z2 B
set-current-plot "Trends-of-credibility"! l0 g6 n' H9 v0 x( w
7 Y5 P! b, S4 e; v8 |' u: H- Oset-plot-x-range 0 xmax3 |) |8 {" G F& _- |5 ^1 X P
! H5 I( e+ ~' Z/ w4 ]7 h1 F8 q
set-plot-y-range 0.0 ymax
% g/ w: t8 {" @; Z( T5 x7 L. i$ Zend
: b4 g4 u. e4 N; v& B5 P' A" d6 L* g! k+ ?
to do-plots, h9 x( k9 z( A
set-current-plot "Trends-of-Local-reputation"/ D, s0 y2 Y4 X5 D0 u* R
set-current-plot-pen "Honest service"
8 J9 n3 p, ]7 oend' \0 P c$ A; C. A3 o. Y; i
, ~4 T9 x) m7 b) n# H1 {[ 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
|