|
|

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
2 Q* a% M/ R+ c' R: pglobals[
! j' S' H: o6 C, Z7 J. fxmax
0 t6 K, T& H- n; D; a8 m/ iymax* P& c5 Q" k5 |: o ?
global-reputation-list
+ O* q3 k: r* P9 o' i1 w2 R" m
. A ^0 [ C" T7 f# K/ y;;每一个turtle的全局声誉都存在此LIST中6 u' M$ l/ R3 ?/ x) O
credibility-list* y0 A' z- T/ L V! G4 T
;;每一个turtle的评价可信度
5 w+ i* z9 z4 O9 E' [honest-service
6 O% ~/ `2 W' l* J$ N6 C5 N" Q9 |' nunhonest-service
. G( J5 n6 f! Ioscillation1 w6 K4 Q7 J& S
rand-dynamic
$ z( {! s i3 o' r7 g, ?]& j- y: T1 @# g$ e* ]- {; S2 A$ U
( R+ ~ ?: N* c6 m3 G4 s
turtles-own[
/ d. W; @1 A, Htrade-record-all
1 J, a+ e- \$ K) K;;a list of lists,由trade-record-one组成
c4 I# p Y6 l0 i- Z4 e4 Wtrade-record-one
2 }: J# U% W9 d" F" [" L/ h;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
x$ {2 e" j7 C7 u4 M4 V; o9 g+ ]
;;[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]]
, O& A3 k6 e* w. A3 ytrade-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]
, h% D3 @5 K4 u; ?& P1 W0 [$ \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$ i. g: X% I6 O- ?/ U( P: C9 r" n
neighbor-total
) {+ M; m6 [: v5 L! }2 n# S. {;;记录该turtle的邻居节点的数目
& S& ~7 S9 c! G6 L2 r3 _9 h- gtrade-time2 c$ }: _9 u* J4 C$ Y0 |3 k2 b
;;当前发生交易的turtle的交易时间
0 B1 `: q, j3 T, J8 B9 aappraise-give
6 s. i+ g, S8 C# H: p5 Y( K5 H7 ^;;当前发生交易时给出的评价4 P; [! ]; M/ \% j4 ]
appraise-receive4 r+ b0 s6 \6 o; n
;;当前发生交易时收到的评价( n2 _: O' [3 i. G! g3 T+ l$ S6 g& p# y
appraise-time0 {3 g' ]4 K) ^3 Q$ t9 B
;;当前发生交易时的评价时间
, I5 w6 S8 C( p$ l. jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 N Y w3 j& D9 a& M- ?+ }5 mtrade-times-total8 o( n3 m) ?3 _" r/ x8 X# q
;;与当前turtle的交易总次数: {. y; Y4 v! _/ Q, s7 D O
trade-money-total, Q" u3 E' _" I' R, S
;;与当前turtle的交易总金额# k2 N9 ~3 x/ j9 T% L
local-reputation
0 F) j7 U9 T$ m# Lglobal-reputation
9 O% `, N& K4 J0 mcredibility
, x! v" u1 r5 F0 l/ s) P, ~;;评价可信度,每次交易后都需要更新- s) |. r7 Z: [" o* K; G
credibility-all! w4 \6 @8 U& E! l& J6 }
;;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4 B. U5 r% v5 |3 A Q- [
4 Y1 [; V1 M" ~;;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
1 `( o& r7 | F$ {7 M" s8 pcredibility-one
- c2 K. m M4 u0 q;;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
; k/ e9 n% C5 c5 s4 w. q8 cglobal-proportion
- {, ^- r6 |' _/ wcustomer) L0 Z1 x6 I: Q, ^+ E) S$ P2 F( }
customer-no
6 X8 B7 F n: p5 V+ utrust-ok
1 b& i' G! l. G# K3 H4 G% e9 Btrade-record-one-len;;trade-record-one的长度, C7 W) \6 ]# Y1 k0 t
]
" d. K7 [, o8 k2 G0 K* u0 v
1 p1 ?; f1 g) @! R% i;;setup procedure$ @+ C7 M' z. t+ y+ [8 K; ^; W" Q0 H
2 G$ D; \% A1 N4 _ E0 W; tto setup; a- o0 p3 w, N! D0 _
! \6 |* M( B5 A1 A, ]2 V/ cca4 r7 a, e% l0 B
8 ~5 F+ @2 }2 F7 u$ K
initialize-settings3 W! {/ f0 r# v, ]0 j. @5 r S
# I- t+ C# i% X2 {/ y
crt people [setup-turtles]& a4 J2 X. p8 [8 o& I9 }- M
2 o! p+ _! a/ g5 y; @! p) J
reset-timer
0 v1 p% r, L3 K; `& M9 X8 O# W6 k
( Q" d+ n! \6 N E% vpoll-class
6 c% K' U* x3 F9 E1 ?$ a- f. Y0 u. t1 T! Z3 i2 V9 G
setup-plots* S/ d+ h) y0 x0 \$ j: c+ _
( p' h) @' Q; @7 x8 M
do-plots; ^1 p* w/ l/ H
end# ~: \" t7 B' D
# @& O8 t0 \" O( v2 X6 E# {to initialize-settings- `6 ?3 c! N+ t) h0 f, Q! V
. z( H0 C8 l9 S' P6 b: j0 ?
set global-reputation-list []
, A4 m3 T' o5 U; i5 Q; J" g; {: S7 q- C- _4 H6 K
set credibility-list n-values people [0.5]
) x$ ]. v3 S: N# F
9 O3 e, I! B7 Eset honest-service 0" n+ q. X$ b- T4 Z4 {' K
0 M, k; i2 N6 Q2 Z7 G2 \- d- B
set unhonest-service 0$ A/ B: d( i! _0 b. L) M2 e/ F
. S3 g& m: T, j5 Y7 ]+ p# y- P( lset oscillation 0
8 U" |4 h% V; T9 _3 E) \& V" t, a+ R, y
set rand-dynamic 0
/ u1 x6 ~, r. Q, Y( }/ S( ~* rend
1 y- B5 }& M- K; Q/ N
( E+ x& ~$ I) W; {, |: nto setup-turtles
+ _, T3 m* J" _$ Aset shape "person"6 q: g: O0 s& H5 H- _7 E% F+ y
setxy random-xcor random-ycor
. }4 R4 }7 S3 |# S Yset trade-record-one []
* L9 _& _" R2 K& o# Q- y# B$ Y. w0 H6 O; ]" E+ S( ^
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 W1 L5 J" Y! T& ^$ n, T
5 a1 q, l! Q6 [$ D6 ^
set trade-record-current []' J, c( _' j' e
set credibility-receive []
9 z4 p" N9 g! G. i: Rset local-reputation 0.56 q+ a; y! y/ u4 {. y0 h, q6 `* C
set neighbor-total 0 Z% U+ f& P# b* K
set trade-times-total 0
( K; P" T: {4 w4 ~set trade-money-total 0+ d7 j4 n* f7 R
set customer nobody
/ g. y' J4 o9 L4 j' ^# xset credibility-all n-values people [creat-credibility]
2 m' P/ o. R* O6 N0 v9 rset credibility n-values people [-1]
/ j; h4 n+ I. g8 jget-color" P2 n: p9 ?0 m/ k! @( }' Q
' f. O3 A! E7 \! R* U; u
end
. u' g+ s6 x: c" B; N' F9 n
# k) A+ i! @# z9 ]" t H4 M$ sto-report creat-credibility; c6 M m0 S5 H: ~, ~
report n-values people [0.5]! R* E" A( N7 M
end$ j& ~' V' w3 A' [. V
/ h2 k% e6 N; T8 q
to setup-plots2 w% ^7 V+ C7 x
$ Z, K. x; G) G0 _: b( C
set xmax 30, b9 m2 N8 ~8 A ?$ c) j7 ~
B& E& Q6 z3 ^$ U
set ymax 1.0$ R( V: W$ R3 K$ H, n
, W: s3 \! Q8 p9 Q
clear-all-plots1 V& k- z% l4 t; l
1 v, C0 t, i, p& X
setup-plot14 `8 `, B# E! Q
( M0 q6 t3 u/ t# i% r& r
setup-plot2
! f1 K1 \8 U) S( D$ I& }: e1 |) j* x* q P) D4 o) z
setup-plot3. J! H. v& c) r/ ^) h- |; \4 F
end3 `; Y2 e5 O. Y- w$ K6 M. g: w
9 p! W) W' H q2 v( Y2 n;;run time procedures
! E0 w" s0 X" _2 n: L# @/ i
T L: \/ z7 v+ n. O2 ^to go, X3 ?5 l' W, h
/ i$ @- E* e) D% Eask turtles [do-business]
$ e6 `/ P; W' C/ ]. Bend
! ]( ^8 t' N( @0 h% K2 C) V4 a7 Y+ Q2 n# R8 K) ^3 s$ q
to do-business ! B. a) J1 E6 ^) p' A! a5 N, t
2 |7 G R# K0 q0 S# Z
0 \/ X ]5 {% a4 o( O* V0 r& {rt random 3604 H# i. ^/ Z! s+ n/ p6 }0 I- s9 L
% s% ^7 s1 q7 r# n0 Z. E
fd 1
# V( R7 u) M) [* o" e, V i
( B. g$ k, ?. P& Eifelse(other turtles-here != nobody)[
. ?) [0 d* N4 @ C$ G+ Q" P0 x+ U _3 i( F7 c: t- ^+ l! y
set customer one-of other turtles-here
2 W s: f" L, |. ?
3 M' e, O" ^& D& m' A;; set [customer] of customer myself! H* \2 V( j. V! h# n$ h, |
8 U6 V7 r) u# K9 I- I; N% ]/ h
set [trade-record-one] of self item (([who] of customer) - 1)3 p. h4 p% j4 ^- D
[trade-record-all]of self: v& P& W4 ?4 h2 c% _3 m+ Q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% f) Y3 i/ l* w( ~( h/ p/ D5 |
- R: H/ V) O8 F8 Z& ^set [trade-record-one] of customer item (([who] of self) - 1)" X3 K& h# Z8 }, E! {7 O
[trade-record-all]of customer/ T; l$ F. E$ m3 g* p1 f, L0 @9 }3 B% g
: Z7 y" m# m1 {9 \$ c3 ?set [trade-record-one-len] of self length [trade-record-one] of self4 k% }8 i9 B9 G( l
0 w5 M+ Y1 X4 |- ^# T5 I8 h6 |. J
set trade-record-current( list (timer) (random money-upper-limit))
( x, u/ S+ l$ b) z" T
: @! `6 D7 c; G3 zask self [do-trust]
, z% n) Q, U$ S) ~* H;;先求i对j的信任度
1 j3 g) i a' D! [. j0 R" O. ?$ j3 ?/ A* L }
if ([trust-ok] of self)/ m4 [& {1 P, p# x' n3 e( U9 o
;;根据i对j的信任度来决定是否与j进行交易[9 [: s9 u7 v# H# [
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) E8 ?( _7 W5 O, W
+ ~( o3 P- q8 E& a& W( o9 O- Z _[
# Q$ F9 m; ?5 o; ]
0 B* j3 F+ \) E r7 }4 [% ydo-trade) H h: J. S9 f+ V+ L. `
$ R6 a6 q1 P# t1 T& B, U% x' ^update-credibility-ijl
/ b# }* E0 x# H) \, I" \! t5 u( G3 o, A
update-credibility-list* p6 c, _* Q! y% P8 l1 u/ A! [2 t
+ b7 p6 o- L9 e( j: k" m! N( r ^8 M- L2 N5 l( W
update-global-reputation-list
& `, ?4 Y" U5 ^3 r: t3 A0 {5 C" J3 W% j8 X R, P
poll-class5 g- N$ W# V5 [
$ @" {) B* ~5 q; j1 _get-color
' {& ^. |" N! _) w- ^) U1 U
( v( Z! z6 O! T% L]]: O5 D$ s* q9 z
. t: |( F, B8 z;;如果所得的信任度满足条件,则进行交易- D4 W l* T0 P- O4 Q9 h2 p
3 G. S4 c2 w q' K. @. \
[
1 Y+ s" c* R, V+ d& Z( w7 x- K3 N( C1 i$ ^" f
rt random 360
; C4 H7 V# |5 ?! y3 R$ |' {: t) f `3 s
fd 1
* I9 x& D$ @& j$ u }0 z! o% Y% w
8 B5 U8 V, ?6 i5 [6 d]7 ~) {; F) w5 t. h+ ]7 B( }. p" I# t
: ]# J! i( l- m; f& S( [- gend
4 ]8 e" e$ V, S' f; h0 @% q% u( h7 O
to do-trust
$ Q. g+ _/ e* D- _; o' a) rset trust-ok False
' {4 Q" w; n$ r0 k+ r+ K. e8 }: n, k2 F
" O' C9 G$ C$ p n' Clet max-trade-times 0! r7 E1 P8 v/ }2 o
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- |' s7 ~ t3 n* b9 q
let max-trade-money 04 }% i$ {# }# R! o) s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" Z! W a5 G7 S9 W" xlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
$ A( d. ^- _5 o# I G. T# B/ e; A% s# v5 k* o: T9 E0 _
( n) j6 s# V: w8 j1 }5 g
get-global-proportion3 x$ _; b* o, S8 b+ }: L
let trust-value/ f1 \: ~$ p/ P& A( G
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)
" u" w" ?# o0 @: k* c0 J8 mif(trust-value > trade-trust-value)
. t/ q- Q5 c; K3 ]- K[set trust-ok true]
: s% v& Y: d0 }' W% w. d. Kend
) |% U9 }, d5 k% Y, L; Q
6 z7 K1 J1 s) Rto get-global-proportion0 ^8 i" b: X9 g! g) k
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& d+ y1 v/ ~1 z7 j6 O, c( a[set global-proportion 0]# c) M T, A8 j5 N/ |
[let i 0
, R5 t! R4 b) r3 Ilet sum-money 0
7 n |' H, R5 w3 t$ |while[ i < people]) y% _5 ` @* t q% o
[
P2 X( h4 N6 r7 b+ ?9 |# aif( length (item i7 P0 d# v+ _/ ]& F
[trade-record-all] of customer) > 3 )9 r- L$ U4 {- U* x
[3 ?" c- m0 F0 D6 i
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 x4 ~% O% h3 x' p( H]
: p# k1 b9 h# e, l! C. A]& }5 b0 b+ w- x: k) ?
let j 0
$ W3 H6 x. v5 Xlet note 0. G3 X, P: h c4 a
while[ j < people]- `! ^9 {3 ~' f6 `4 i$ D( O% T9 `& s5 G
[& C, p6 l) s+ ]# Q
if( length (item i# L2 I: J7 e. s) q P0 D( s, ]
[trade-record-all] of customer) > 3 )
+ @( u0 @( }$ x' J[
7 o' {5 f0 H% D+ L' Z: Q$ Z7 gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 Y' f; e/ V. U6 T; D- u6 G[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
5 s/ L- `! i8 O% \" t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 [5 D) w+ }9 y' P3 X]
5 B" e! b9 j- v3 D]
: k( j2 p6 w% [: u. w2 V5 Sset global-proportion note* a9 f7 B' N8 \8 m
]9 c: W% p) [, V% i
end
, d" ?5 m4 U) T7 {. O7 S- y# u8 N
" f+ j6 g1 K/ W6 D" S& X. G/ ^+ [to do-trade
& m( f5 ~& d5 ?% I" ]( e2 u;;这个过程实际上是给双方作出评价的过程 V9 c4 G6 C# ?! \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% x3 b$ j9 |! C4 n: Xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% p$ ]3 P8 w- E9 y+ X; w
set trade-record-current lput(timer) trade-record-current+ s' M' z) q1 m
;;评价时间0 K! G( L: i& c3 {& x
ask myself [+ Q7 M' A& m2 P/ c( z
update-local-reputation
. k. e- b0 ^( b. l% F# d9 bset trade-record-current lput([local-reputation] of myself) trade-record-current
7 g7 q8 Z- k( d]
1 o; O$ _2 V" W5 ?3 H5 E8 q/ [* u- qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 @4 n; Y, D) C7 O- o, E/ E" b' p* Z1 V% V
;;将此次交易的记录加入到trade-record-one中0 d) I7 \, ?& C" h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# Q2 p6 p/ t4 r& m& ]3 u3 d* G: f" I) rlet note (item 2 trade-record-current ), S7 O' l4 Q: S1 u8 u% {: `
set trade-record-current
4 b9 w9 F# V8 v' A, ~% C6 L! U(replace-item 2 trade-record-current (item 3 trade-record-current))4 Z1 O4 y% W5 J2 M' R# ^ ^
set trade-record-current
! ^% N( ^) G# D; x4 s(replace-item 3 trade-record-current note)# n. ^# a# q; b6 ?# J' J
& Z$ V' e% h0 x/ P3 t" b+ i4 k
/ ~0 A0 [& K+ R! Y) \ask customer [
1 c. {5 c+ N( H3 u# s( [( j l3 Q Yupdate-local-reputation
8 o7 }3 P8 c% cset trade-record-current
/ s. Z6 F. e- v# X) `7 J& c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: g/ K% p+ I4 [, V5 F]
4 i% z) k+ }( t% G' X
8 X$ C7 o8 _3 v. X C& v# |) R: o/ X8 K# E Z3 `
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; _: [; [, v1 s7 C5 j8 v2 o B! ~& ?1 p2 U' @8 Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* D+ B$ c3 L* K4 C+ t;;将此次交易的记录加入到customer的trade-record-all中' ~+ n/ A2 O' r
end
% g$ M; r3 Q; H7 n' n/ }3 m) T' g9 ^# c% {/ H1 V
to update-local-reputation
}! n& j p$ r5 k3 Mset [trade-record-one-len] of myself length [trade-record-one] of myself
! c4 i6 G7 z4 r4 |* g1 z5 r: W. L4 p5 _. A! U2 D' w/ O
4 r+ G6 _2 b7 G1 D* S% `
;;if [trade-record-one-len] of myself > 3
, W# x( l3 [2 _7 s) supdate-neighbor-total& i2 J, D4 U s5 ~' H
;;更新邻居节点的数目,在此进行. i/ H M N) [+ {& U2 Q5 D
let i 3 `1 A- N, U1 J& }) m2 i: g6 }
let sum-time 0
9 U* [! L! S" l2 {; Bwhile[i < [trade-record-one-len] of myself]$ r# G. ~0 \- G4 y* i2 S( f
[, I; D/ L* M: n5 z, J( M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 b9 J" v- z! s2 w, Z; sset i
8 x, A/ `, L2 o' j; P$ a( i + 1)
* j9 b' B, i1 m( A) F! Q! b]
+ u2 i2 k7 p/ j$ l0 D$ T8 H% B; Jlet j 3: X/ M0 W$ l5 g3 B3 N/ n0 f, b
let sum-money 0
' J& x" L* B9 A0 r/ ]* G; l1 j; F7 wwhile[j < [trade-record-one-len] of myself]' k0 z' f( X. X* p& A
[
) W* v8 I/ f; g( C8 Q" 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) q( Q6 e1 l' [$ t7 S
set j
j9 X6 w+ @. \$ _, a( j + 1), Y5 s% j0 a% c% |# W1 E
]
8 v a5 F% \: ?8 Llet k 3
4 w( @: `8 ?1 l9 flet power 0
% d8 y, G# f0 a& B5 i8 _" H' i# A: mlet local 0; z: g) ~, i' N' m
while [k <[trade-record-one-len] of myself]
. C3 D5 R3 s+ g) k( ^[7 v! S( c7 \8 P3 V% @
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) 3 g+ L3 c( u V; C* g1 V
set k (k + 1)9 p: D0 w4 S6 F d9 v$ Y
]4 I, l+ W& y0 h% T
set [local-reputation] of myself (local) }+ M; z1 y: O+ |* L1 D
end
2 z* Y; L" e$ n' B% M; {9 x1 u
7 x( N2 I8 `9 V5 `7 u+ Nto update-neighbor-total) F$ l, f5 m4 u6 j
+ b U0 h0 {4 ~0 h' t
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- z1 m+ `0 w/ V; g+ F8 l- Z
; g3 z7 T# z/ f8 e4 w& W# T3 T" T; r' [
end' h9 K: h) F1 V5 u# L l
6 ^3 s/ l% U$ W& @
to update-credibility-ijl
" }9 _ d) B% W
: g/ {1 R3 C7 u# R: G;;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。
, H1 a0 Z# t( \3 Vlet l 0
( M2 s: x5 P# `0 _while[ l < people ]
( ~: s0 ?" M, }9 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& h) s" L5 @' u5 Z
[1 j+ s: C7 Z1 z
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
7 y4 i; T. Z4 N3 m0 Xif (trade-record-one-j-l-len > 3), t9 {( w/ L2 o
[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) p8 J" p% `; b8 u9 S& j+ g
let i 3
0 x4 O$ l+ _. ylet sum-time 0
, r$ @; N6 I4 @& X9 s; c. Uwhile[i < trade-record-one-len]: M) a8 q, b( U O3 z4 L5 w2 v
[
; k5 O# w2 P" [set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) q# L P3 j8 X6 ~& a6 p/ vset i
8 R% L4 ~- Z: h% P2 V' A( i + 1)
+ R5 Q& g" F8 w1 z: l$ B1 n" r]
3 N/ T7 Q' H: g1 D, A$ ulet credibility-i-j-l 09 x, X1 z& X- ]9 O
;;i评价(j对jl的评价)0 M% ~# {; u2 N0 z M7 |
let j 3
& Z. e/ f% [7 ?$ K% @0 Slet k 4
* j2 n5 y. L. ^7 |6 t" A: Q Z' ?while[j < trade-record-one-len]7 W2 ^( O7 h- k' y5 P x) j
[1 h6 Y7 R9 x" @! b' b
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
) w6 ~0 G: F) ~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)
% `4 P5 B! W& B6 Eset j+ s2 k. H0 @# M. ?% l' U
( j + 1)% \, V* U, m3 d, B4 p' G
] P% l" a3 d; Y6 W 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 ))4 l1 j: z3 y5 n! }+ m# y( F! S
0 I0 }4 U# n2 M# a: e2 S
9 M* M% R' A0 u3 N' V6 g
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 S( F& C( P9 E* v8 S
;;及时更新i对l的评价质量的评价$ p ^8 u4 n& i8 j9 k
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, f c" n. q+ q+ b- R, Gset l (l + 1)
+ e, o9 b7 }. l1 |, |. [( X]
4 I; ?, t0 Y3 N9 N% A+ pend4 t; L% N' v" T7 q% J
: r$ N" e9 f+ Y" u2 r+ y$ mto update-credibility-list
/ `$ H/ \7 W; M! t. G/ r6 c: Olet i 0
% p1 w# ? ~ s1 i2 ywhile[i < people]
; }% B$ v' c1 a) _7 O8 I9 ~[
! b4 k& Q7 W- v- T5 d' \let j 0) O% N' o# p; x1 |5 Z
let note 0
8 }0 B) }: U1 @% j; z: |let k 0
: y7 P7 m* G K f& x;;计作出过评价的邻居节点的数目- M: H* v# o2 k$ [. S9 G8 [9 A
while[j < people]! p' y0 [5 f; d
[ N1 M0 e3 C' }2 [2 R0 D
if (item j( [credibility] of turtle (i + 1)) != -1)
9 K8 N3 U, Q, P;;判断是否给本turtle的评价质量做出过评价的节点
. V0 S) B3 g: Y[set note (note + item j ([credibility]of turtle (i + 1)))3 `! \1 V3 B1 v$ s! A/ _
;;*(exp (-(people - 2)))/(people - 2))]% e0 C+ F& t6 l9 Z- @% x
set k (k + 1)
4 _) @3 X9 X& w+ {$ Z* ?]
' ?- I2 K& Y1 O6 W) P( lset j (j + 1)( Q+ Z- g, E, M5 U$ N, a; A
]
+ H; C) X u6 d3 Cset note (note *(exp (- (1 / k)))/ k)
1 c5 d# i" L& Q3 D1 `set credibility-list (replace-item i credibility-list note)' v4 Z& {* J: s/ v, {& R1 `( ~0 }
set i (i + 1)
0 s( L T5 ]9 @5 S9 P]% O8 J1 N+ _! e* L' s t+ F6 L
end
L3 e# m! t& k
# T& K( g' K5 C) {% _' dto update-global-reputation-list2 Y/ q+ o( ~; v0 O$ m1 m+ x- Q6 y
let j 0
! V& Z9 H8 G0 m0 i; Twhile[j < people]
" V* B0 f3 B6 D, Z" K[
A" e3 y# W& q6 k) e$ G* Hlet new 0
2 h* w# ?* K' t) `# |% [;;暂存新的一个全局声誉0 A: Q# Y6 n O& m7 b1 V
let i 0
- E# W) G( a& W! d" _9 O# qlet sum-money 0
. I# ?9 r8 R' n- N" nlet credibility-money 0; \/ c C: R" Q* N& a) R
while [i < people]
' E! b" U( z& V8 T7 a6 Z[; z1 N$ d/ w: t3 M& g
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) u6 Q& i" t/ ]2 ~1 P4 fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 `3 G+ i) F6 @* o/ E9 uset i (i + 1)
! Y d$ S! J4 l9 s. v]
2 j: h! v/ r! U4 e0 h0 y, s6 Mlet k 0
+ R; e, i" E8 B- xlet new1 0) O1 S6 b. p6 T5 v; @- s3 C0 _
while [k < people]
, w! P( u" M v6 }: C8 e8 t[/ U+ L6 R: \* g- 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)- c5 {# k M5 i3 S, o
set k (k + 1)* ]4 b A8 h* d# }' c- B6 t7 i
]' \* O, h8 s0 F8 j
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ p9 Z m7 R, M2 Q: W2 I+ c; b5 n, Yset global-reputation-list (replace-item j global-reputation-list new)
: m( C/ c' p% u$ ^set j (j + 1)
# X' h, _9 A# ^% L/ \% \]) T; W- C6 r. b/ I$ t/ G
end! s4 M" }4 b5 j% q9 I
- L2 k& ]8 E& n. Q$ w, Y7 ?
- r4 {( }9 J+ ]" j. t/ \/ L; z7 O/ e( U* R; F7 M% L
to get-color
( ~8 H$ ?) n+ z( x) V' G1 x! @& a* T2 R" T9 \, `8 g
set color blue1 f, K( Y5 q& S9 o3 K0 |
end6 @+ P9 W) }7 U7 g2 z
I! P' m- h' K0 O! x
to poll-class# b9 }/ H5 A& v- P! o4 N
end2 e# p: A, }6 e# Z) x! R
$ H0 T0 ^- e" E# o4 F- n& |2 `
to setup-plot1
* a2 U. U7 B" X. p( B q; a/ d( p5 ^7 b: z0 S+ }+ Y
set-current-plot "Trends-of-Local-reputation", N. |0 o) u/ G3 V
9 O$ V9 p1 z0 j8 Q8 Y+ s
set-plot-x-range 0 xmax
! e$ m7 z4 h6 G; q8 E6 w
* D p, Y5 {, i) h6 S) ]( @' p: \set-plot-y-range 0.0 ymax6 N0 `+ Q/ a5 }2 x! e
end
2 y- x3 A) D0 n0 s) M! o+ [: z1 J" @2 @% [8 b
to setup-plot2
" v+ j/ b2 C$ S- O+ n5 a5 [& G9 ]1 S' ~
set-current-plot "Trends-of-global-reputation"
4 V8 @4 _7 t8 @
9 z3 ~1 R# [( e4 F- ]0 Jset-plot-x-range 0 xmax. g( m, a+ W6 j+ g' f$ F
1 A' }' J8 U& t6 ?% Aset-plot-y-range 0.0 ymax
: `) S) X* B- j$ Z/ O Vend3 N! ?6 r" k5 f9 H" _: W
O; G/ |9 {3 [" I7 v6 G5 \
to setup-plot3 m; V8 c0 r! \. C8 f+ I o W# l
N3 W& Z* x2 A( E! T
set-current-plot "Trends-of-credibility"- Q/ o2 L. {1 J
! W* E! F9 }2 X4 A7 s- W6 X% u/ |set-plot-x-range 0 xmax# o( e4 w1 {2 S
1 V# L- e. ?' L& y! R( A
set-plot-y-range 0.0 ymax2 n# M, M1 K- O6 \, `
end
* z* E2 c/ {5 v7 P: D/ ~$ r# F! } _, j( q
to do-plots
1 t7 T" B8 R2 h. F; ~) @7 hset-current-plot "Trends-of-Local-reputation"1 _$ W! w; `# z. }3 n2 ^& Y7 f6 b
set-current-plot-pen "Honest service"
0 |- e/ P4 l4 B7 Y, B0 ^end
+ {* t6 t( m6 F) v. ] |3 G0 [& d0 J5 Q$ p' ^. I% l( k, k# J
[ 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
|