|
|

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% ?/ F8 e$ n- l- r
globals[
1 G' P$ E$ p2 k" N( gxmax# y2 N( ~2 l$ v
ymax
V3 p+ h; [8 ~4 |8 c Vglobal-reputation-list/ t: A# Y0 K6 V+ u. E9 G5 k5 n& u5 y) i
/ m0 q8 f- y' p+ b b( q! V
;;每一个turtle的全局声誉都存在此LIST中4 |2 x3 A/ ?1 i% G2 T
credibility-list6 x( b6 {1 U7 z7 |
;;每一个turtle的评价可信度& [# `( W: k( f
honest-service
8 Z+ Y& \0 N9 {0 c, h! A5 R* P, ?& aunhonest-service
* u2 _# g- Y* d8 _! T; S' qoscillation: W, @" |, {2 c/ `% n
rand-dynamic
# }! _3 `" d% x]0 u2 K4 C5 c ?+ Y+ v2 S
/ T3 r: v/ w- q; Rturtles-own[
& Z8 M( K; `9 u! @8 ?" Strade-record-all$ R9 |' N+ C; I; Z7 X
;;a list of lists,由trade-record-one组成 l' s7 H& ?3 A" B
trade-record-one
5 |3 \8 k8 {( d- L4 {8 |;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, s# T- K1 ^, g3 V" _2 U
2 J* k; T. M9 }; _& {;;[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]]
8 P+ m w$ C5 c9 b! ztrade-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]
* v; `3 n- v% b. Tcredibility-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list2 v! E: h! M6 d3 I# B
neighbor-total
- u/ z+ f7 O R' {' f;;记录该turtle的邻居节点的数目% {# Q0 f5 G: [9 d: R
trade-time3 C! m4 e$ Z7 h( j$ d- V4 E/ M' c* t" X
;;当前发生交易的turtle的交易时间
+ y; G- }" h! H& Z7 b6 jappraise-give
- u* Z; N$ A: m# Y* x;;当前发生交易时给出的评价
0 J( ]6 y Y! o+ ?appraise-receive. M) z+ {/ Q* |4 F0 V
;;当前发生交易时收到的评价
u( @/ w; s4 y5 E( m4 ^appraise-time+ M A: R. Z2 ?6 J( g5 r
;;当前发生交易时的评价时间- H/ R: `. ?/ N2 u1 ~, ?5 R5 q7 x
local-reputation-now;;此次交易后相对于对方turtle的局部声誉' y. D& m8 a9 J" _' y. p
trade-times-total
. O' j- G* \8 I% E' d% d;;与当前turtle的交易总次数
. ^9 F1 c+ a* L1 {' o' x/ k$ ~4 Ltrade-money-total/ t- @; l1 B0 |
;;与当前turtle的交易总金额2 L/ A" I" i" B. k, p. \
local-reputation0 g- ]* v6 _9 x/ ~% _
global-reputation; b, R+ ~0 E/ `8 v1 I
credibility% L7 k, U- }3 w0 B" K4 @
;;评价可信度,每次交易后都需要更新
( Z) E& D9 G2 ?8 dcredibility-all
& `5 M! L, x* K. i& l7 n. }, A' j$ i;;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
# k7 ~5 t9 p' J* Z0 b! R) W% V: P' [ h. ]+ s% P6 b+ ^. S
;;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, Y1 F9 y+ g5 R5 U
credibility-one4 s$ X, x4 l0 J4 l( ?. N
;;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
* u2 c) J+ G/ A. ~global-proportion
L* d# D4 x! ]4 }3 P$ @customer! N( J/ K$ J) p
customer-no
8 v* a u4 @& i5 [% d6 w& |. z, qtrust-ok3 x* d/ B& e2 |' i7 a
trade-record-one-len;;trade-record-one的长度 i6 n2 p, Z2 n& v8 N6 v9 f9 h$ Q' P
]
) f2 a+ N& C, z& M+ K( ]& K8 L
5 u: Q% F& d& F, E: J$ J; |$ J;;setup procedure/ M1 @0 O) H7 i, Q
. T" a4 D0 ~3 {7 L
to setup) `7 j5 D1 E5 [" N, g
$ W2 j) L: G Q% }( }
ca: S5 b2 |+ R5 Y& w; }
! a4 D5 X: L a& t3 x
initialize-settings
7 J# W5 O& I. V& N1 |/ z5 J8 F3 c( u6 t5 V1 D; a2 V/ `! U
crt people [setup-turtles]
: }2 k$ J! S" \& d
& d1 Z: T8 Q/ E7 u+ `. l& yreset-timer. j, E% b* G' M
1 o" G) a; Y+ I! L& H8 ?$ \$ d( g
poll-class: w3 v3 q" e$ O& U4 Q: \
3 u2 u7 F+ n$ h2 Dsetup-plots5 C2 s2 k6 ] C* o7 |
% |+ X. t- J1 j* n
do-plots5 B5 U0 m, m5 i) j
end) q1 p; L2 l7 ^5 ?" E4 L5 O8 O( Z
2 ^4 s6 Y8 I% H
to initialize-settings& R+ ?1 f5 V# X: v7 v8 w; i l* d
Z8 ?1 L) `, c: L
set global-reputation-list []
" n# U3 h+ S; Y+ [) l6 [( ^# w' _# v/ p% `/ I
set credibility-list n-values people [0.5]
, X. C- ] u. v
X; ~9 R, N5 x& hset honest-service 0
$ y* q. M! g. \; I, i& t8 ^
" w7 k* G2 B4 @) E% Bset unhonest-service 07 C: b1 C) j9 z8 Z' N: _2 }& |
7 G5 U* y; s$ D k- g7 o4 \/ Mset oscillation 0
8 D: G. F" J. T3 r% d
. A9 _' O0 ?/ a" Gset rand-dynamic 0 U. Q8 S, O3 j# q ^
end
) T8 P/ h' m: z* d' h+ S$ C6 q( g( T, U) I) ^
to setup-turtles
0 _( e, j1 g3 g8 L& d# O" C4 dset shape "person"
4 V; A& j- H3 e5 E" Tsetxy random-xcor random-ycor
- _# E. {4 t& ~/ tset trade-record-one []
/ ]# [) I) V5 `* C/ B G' A7 ~, }3 R6 ~1 A3 F% I+ c0 q. X2 V% S4 v
set trade-record-all n-values people [(list (? + 1) 0 0)] 0 Q; R5 H/ H* r* V
; T3 r; O" a, H
set trade-record-current []' p' O# c* R. P0 |( L1 U% l% }( k
set credibility-receive []3 ^7 _" E5 J# |0 k3 c
set local-reputation 0.5
/ x/ x5 q! `3 [/ r' y) c7 g0 x Qset neighbor-total 0$ K S. J2 v) \% b2 t1 K6 E- x* H* f
set trade-times-total 0
& O% p) d c- ?9 d8 Cset trade-money-total 0
6 A& O; b) K# gset customer nobody
+ G$ c# I3 c; G) i3 Y- H. Vset credibility-all n-values people [creat-credibility]7 s7 o% h* a5 @8 T& O$ O2 q ]
set credibility n-values people [-1]
8 \2 O; f' W! ]5 Q7 p8 A! d R- lget-color
9 u' @# [8 |6 o, J6 z5 }# `3 M% ~, Q
end
- b2 z( J% D% |& x( A5 d
' E+ u( Z7 ~& z* L* ato-report creat-credibility% |/ [7 x" {, k0 f6 l9 _, x- B- q
report n-values people [0.5]
& C2 E {& q5 B# p1 I/ |" hend
8 l6 ^$ s+ m! ? f& v
3 d/ v; w1 s1 u1 t; T) Qto setup-plots2 z$ N5 _8 Z6 {' k$ F
5 K$ O3 O; p: S9 w7 G, p
set xmax 30- H9 v9 a' a8 k
& i6 L' S7 `5 U5 h4 O
set ymax 1.0
. t# m8 M6 J* y! H! Q& [0 d5 j
. A% b9 [- I W; ^& F# ?clear-all-plots
: G& j, C1 a) `0 j5 B7 T" A* a, E/ X% E
setup-plot1+ F0 x* H, r1 _- K
3 q- |2 t/ D# d ?" Csetup-plot2: |" ?2 b; \& u5 U n
9 A; \' h& w$ _* p! j
setup-plot3 d* D* p" h- s3 Y
end
! D/ c4 h$ q7 F
5 \& P: B$ G' e+ l, J;;run time procedures
' F# x# G/ F- c0 K A( S2 m0 ?% m7 y! O3 p
to go% N( t( [1 B [- I' `1 H' X
$ _+ x: R5 C3 jask turtles [do-business]& S4 L8 X8 `. I3 R" X2 Q0 R
end
* s6 {& z4 m- Y( n* {( ~2 E% {9 b+ i% j- j6 J$ ]' [
to do-business 0 e$ b, n; C2 z3 k9 }
& o& v* R+ T) t+ `( S
% r- y: h) l3 Ert random 3603 o* \' x1 P Y) m1 _
! M1 U# p1 u1 S% t
fd 13 Y! i1 o6 ^; P- f& ^: Z5 e
$ Y& f8 ]& f" `6 Y; J
ifelse(other turtles-here != nobody)[# z0 s, J) L5 K c9 w
! O+ }* `5 _/ q& C/ gset customer one-of other turtles-here7 S. w4 b4 O' u" W- N ^( j
9 @ M1 P+ j: [# k3 |;; set [customer] of customer myself
2 |$ k1 z! B' ?5 s' d) N
' \# M6 e1 m9 L {set [trade-record-one] of self item (([who] of customer) - 1)# k+ V4 n2 X# i( v0 i
[trade-record-all]of self4 ]/ Q) d" I! X# D# f
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 ^& o0 \- H) f/ J0 G+ m+ S
7 A6 W% S2 I) W% v+ eset [trade-record-one] of customer item (([who] of self) - 1)6 H; C8 f6 {8 q% h7 E. M! t
[trade-record-all]of customer5 }) J8 }; |6 K: T3 ~0 k
" K4 [( ]8 r0 J& R. Mset [trade-record-one-len] of self length [trade-record-one] of self
6 ~6 o4 @* ]% }+ {* M8 n$ I4 d
2 X& v4 i; b( q0 `set trade-record-current( list (timer) (random money-upper-limit))4 J8 E# n D8 a% z! |
/ [7 s3 c" r2 F$ o# \ask self [do-trust]
u% Y& p) z5 Q2 r;;先求i对j的信任度
5 A7 Q8 a5 Y ^( j
. G6 c% W7 E% h5 i1 S/ u$ {1 Eif ([trust-ok] of self)
9 n k) d5 m, T; a;;根据i对j的信任度来决定是否与j进行交易[- c% ~/ \3 Z; R4 f! T+ ~
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" Z. `. o8 S( K) `0 g* K6 @$ W1 B' R( L' E( p
[0 O% Z b _8 k+ q% |1 u
9 U% c+ F J: L9 k; \1 K
do-trade
, z; j+ ]( F, f D' z7 j
2 a8 G; J0 n! ^0 A$ J+ `6 S% oupdate-credibility-ijl% o: p. l/ r) }3 ~4 b+ z
4 L* k6 H. l9 r. v$ ?* T
update-credibility-list
) I, z) s$ w* M/ ^$ ?. O" N6 d1 x" a5 G' U" \ h) J; N% G8 Q
8 x; H2 i' w6 G: M6 U
update-global-reputation-list6 _( }0 x$ @2 N% \$ D
y4 f3 K" d/ h+ O" g! wpoll-class7 s+ S# r s( S) N2 [
) u$ b. G7 O9 ?; C' \get-color
+ N) y; F5 X( T' q5 j8 ~$ u! G: d* i" l
]]$ w: r H" W4 Z( z# ~0 H
+ y/ l0 I: X" [* u" S! }8 Q;;如果所得的信任度满足条件,则进行交易8 Z, l3 a q/ x3 t4 A, B7 u
% O+ m0 z- s6 w$ K8 w
[
7 m- z A0 H0 t' d8 F: \
' x# J5 ~$ A& W$ R5 Qrt random 360
; Z) s" ^; C* `( I) g
2 i. {! u9 r7 [8 _6 S8 @fd 1
; L- m- g. W) |8 i# B8 |9 I
& n- `4 x& D7 h]" x+ h" y/ H p) V8 M
7 t7 F, p1 t @0 I) u4 I
end0 C: D: ]% z2 E" _$ ]1 B% Q
7 z, S# L1 ~1 f! o
to do-trust
% n8 k. O6 c. S( p; J% s! xset trust-ok False* ~: I+ K0 V+ x1 R4 _: P
& G, A7 |: t" G* s
5 B! Y* c, h# S; s4 e( l
let max-trade-times 0* k1 G/ T8 [ }1 c; B
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) }2 P, i& _8 j; g& p& h8 }
let max-trade-money 0' y9 ^/ @* w! t( m' ^, p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] w+ J/ M4 n8 d$ `& O. k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
0 e6 S; g+ Q/ N) d- @2 C! {3 X5 U: @& r9 J+ R% A& q& U
* J2 P' n9 v" s2 H
get-global-proportion8 j4 w3 V/ i7 y& w" q% [
let trust-value4 l! D% E( q0 ^' g! S' b' ?5 J
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)
( \, }% g! _* f" i8 O* ^if(trust-value > trade-trust-value)
1 x" ~8 @& B6 h[set trust-ok true]0 h, F; ?+ u4 j0 P) G4 B
end8 T8 @* \- X$ ?7 G4 Q
& b/ Y- v8 X+ w! u% xto get-global-proportion8 u0 ?" d1 U' T' I5 a2 G5 j# ~1 W- i
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' m- V) l' u- p) E/ ^# n' N, C; n
[set global-proportion 0]
1 M8 N5 U) u' S[let i 0# P+ c6 J$ @. Q5 x4 s( J
let sum-money 0! `+ O @* M0 J" |" M; P
while[ i < people]0 x* ^ b" U* X5 d
[
9 z+ \; o& W+ T' @' `1 @. z4 ]if( length (item i
+ w8 C7 o* a+ B. b[trade-record-all] of customer) > 3 )2 l n6 Q- M7 s `; O8 }5 j
[ y3 a4 ?- p, \9 T
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))* H2 b! J, B6 U8 G. o
]
% _" ^$ G# d" H, s]
/ ]% f3 G# x* V, ^0 r. Clet j 0
3 s' Z! ?: |( o: d8 V9 J+ S/ Ulet note 0/ ]* T' t t7 a0 `
while[ j < people]2 c! V( o& V8 Y, Q- R% _
[
1 D3 D7 h0 C% @1 Wif( length (item i( m2 K, T+ s9 `! j" E9 @$ t& G3 E
[trade-record-all] of customer) > 3 )
: J- Q' d" ^" s[
8 {$ n, ?1 N* }+ L$ {8 uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( k4 N5 \5 M! U6 l: f- Q/ K[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# X, J: Q1 k3 B. E# c
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] f- r# [: E" n( [) q* ^7 {' I( a
]4 a P4 k) z& J% n i# j
]
( ]$ [$ v, H# l( b3 H6 m/ a) Nset global-proportion note
I7 X. B3 t6 ^$ O6 _]& v" n! @0 Q& ?* w% S
end
M2 A" B) ]& q3 h r+ k) @" L( Z5 O/ u
to do-trade
5 H+ s/ J( \& q& E) a' i- T;;这个过程实际上是给双方作出评价的过程
* g; @% A6 q6 cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ W9 Y h; z+ t { l6 J( fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 Y! [1 L% s- H* }* S% a! D/ S N2 w6 Mset trade-record-current lput(timer) trade-record-current
+ N( t @% l/ V0 \# v3 i% };;评价时间
$ G. a7 `; W8 fask myself [( j2 w1 k% s9 e2 {" O8 U$ R+ S V8 m
update-local-reputation8 K6 u" A$ y7 }4 m2 k4 Y% M' k! J
set trade-record-current lput([local-reputation] of myself) trade-record-current3 \# I$ ^ n: k, F9 w, k! }6 ~( j
]
2 [7 e. r0 s+ `0 nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) }! q) N! Q" E: L) B
;;将此次交易的记录加入到trade-record-one中: c* q" P" Y3 v* A
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 q! C$ ]' B" c6 ^1 X- x/ d; jlet note (item 2 trade-record-current ) F/ |3 r: v; _
set trade-record-current
) [7 Z* ]% [1 u2 B8 V4 t1 U2 D(replace-item 2 trade-record-current (item 3 trade-record-current))5 `0 L1 i1 n, R. t( U: S. _- \
set trade-record-current
n2 V# G5 Y4 o" L5 e0 E+ W(replace-item 3 trade-record-current note)
- F/ i# \4 o' c! i
- x% z v, f: l# f7 j6 t
7 T7 E1 g9 k6 `8 I+ Qask customer [
. R3 F! M5 P# X1 {update-local-reputation. a' s& ^4 @* S
set trade-record-current* h: Y0 ?% T4 Z' J7 ]( k8 Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & Q }, f m0 Q4 ?
]+ Y C! m/ w% [" X2 q! L
: x/ x0 P( G8 ]/ W {4 k7 Q$ g% w
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. U" ]& T! m1 a, C& I4 M# K; I: X8 o0 b0 B" Z) ~
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' c6 C1 z2 }4 v+ f;;将此次交易的记录加入到customer的trade-record-all中! D, ] _' W! W8 C' R3 u' W" v
end
' [7 i) B! {! I* F$ L: U
# |. `7 O( H) N& A; Q X' lto update-local-reputation
. T* t, w" H6 u1 H' bset [trade-record-one-len] of myself length [trade-record-one] of myself0 ^' G- z! C- }4 b( ^: J1 W; _/ `
. d! Y7 V& Q) W# s$ r. i6 \
9 M# i* N0 A0 l) E
;;if [trade-record-one-len] of myself > 3 2 ^1 Q" W# g2 J; L% T
update-neighbor-total
" y% I7 [7 H: f$ k) z;;更新邻居节点的数目,在此进行/ P6 Z0 b, o' L
let i 30 b3 [3 g( B% f# }
let sum-time 0
# y; j& \1 c/ Y9 {3 ?3 y2 x4 Mwhile[i < [trade-record-one-len] of myself]
9 z% |9 {% w, u* V+ M) h[
' B3 U. z, H8 p* jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
5 W; D" @6 {1 bset i' f. N4 I: T9 C$ A, @
( i + 1)
' r% ^# p) V; e% O! `9 d H# w# k]' N: P3 `$ v) ?, V) z$ T
let j 3
) C8 @' Q* b; W6 ~6 K4 i7 xlet sum-money 0
) n2 i+ T' @" r7 \: M0 [$ Zwhile[j < [trade-record-one-len] of myself]
?& @3 P. L5 i' k* Z0 m[+ h: T2 y* J+ Y
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). K Y) E, V0 U9 [% O7 Z* ?
set j
8 M4 E4 |& b' G" P; L b: x( j + 1)
5 I8 `/ u; W- a8 J7 u]
3 O; r# c- f& c E/ q1 U4 Hlet k 3
. Y4 C: W% ^ d- h4 v4 Y: [+ Flet power 0
' e z; z) ^) f) ]: M* Mlet local 0
" ?9 o# h# \" T! J) x G/ Zwhile [k <[trade-record-one-len] of myself]
- N' k/ s6 h1 F" ~% d[
% f/ T# x% U& zset 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) $ I a' U4 a3 q- I: ?0 N; l+ |* [
set k (k + 1)- w- c# m# B% ^( `' a
]
, f5 o/ d. H7 M3 R, J; ^0 t1 W6 _set [local-reputation] of myself (local)4 i* w! e; n, g( b
end2 h4 L+ J. V% ?1 D$ |; ^# r
0 u2 J9 @; p2 }2 }* S2 X
to update-neighbor-total( Q( K5 S3 K1 H: G. v
4 i! k1 u7 b! @/ D: L! Y( X
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] C" M% C; m6 ?2 x2 ^
& z" {# D$ o1 r$ J" n4 L6 L
! {8 I' C U- ^# h, Q1 P. {end+ I F$ \: u) y" U$ X V2 P* T
, Q1 N5 i. f9 W5 k
to update-credibility-ijl
$ \, T/ K$ k: R- s8 g
1 n2 ^4 t4 v# ], U5 m7 j;;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。
: u6 B! v1 M n8 J2 l- O+ k/ elet l 07 i# S8 }0 r8 [1 I
while[ l < people ]/ i& }/ A1 F8 Y7 O) H2 h% ?: |
;;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 _# X( D% O+ q3 O[
+ i* A4 T- b" slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)& T2 F: ~' x/ a. f H# L
if (trade-record-one-j-l-len > 3)
- f; q. r& q& h+ E9 s* a: I3 F[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-one0 U3 W7 j. w6 g& \. G% u/ Z- e1 n
let i 3) `8 b6 Y4 z# y( e8 s: U: U
let sum-time 0! I* W7 z$ f+ z H1 |6 Y
while[i < trade-record-one-len]& ^$ w. Y# J$ F, d3 s0 T
[: j" `. `0 y7 r- J3 T, [& P
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
q2 F; U; f; I0 _ M1 c' C5 oset i4 J X& L) `" m, I: q
( i + 1)
/ o$ E( s) |/ S/ r/ x1 w5 c3 g]
B" ~- U" a) N$ d. y Xlet credibility-i-j-l 0
5 c5 {, I/ S, ]- E: g6 B/ H;;i评价(j对jl的评价)
( {1 W5 h A. m( K! r }, hlet j 3- ~5 e* W0 g' f1 C _+ y3 h8 U
let k 4
7 @' R7 R" j; o5 e$ i9 L) F& \while[j < trade-record-one-len]3 c* R1 j. m9 i
[* q# s5 U: h( T+ E q/ L
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
% [; i" R) e, z) dset 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)- K- E! w. m$ [) x9 \/ x) x7 d! P
set j
- {9 d8 A' e Y% n6 b; g# S7 }. D, e( j + 1)! ?3 t. p3 g- ~
]
+ U+ u7 }: _6 D0 {4 \0 T9 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 ))! j! V) ~! u; T6 H* @
$ w* N2 Z9 {! i
3 |7 n2 F- Z! G2 @% S6 c# E
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- z0 w; ?9 K7 X7 A/ ]+ ]6 J;;及时更新i对l的评价质量的评价* h/ t$ s, Z6 j7 n; P) a
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! D, {8 R3 W. K v6 L8 i( |) W
set l (l + 1)- d: ^. _+ f1 l- X
]6 \0 [8 @6 R W0 M
end, p: [4 ^& E% K0 S9 I( x9 |/ V
5 r4 C- U' W) v+ V8 C9 T5 J
to update-credibility-list6 S: F9 K. G& W: A
let i 0
% B6 C' y0 ^2 h9 P& g# d! Wwhile[i < people]% A2 z; R- [1 a& C8 `2 `5 p
[6 x0 [4 k0 Q5 d- W' ?
let j 04 u( Y5 ~* |% ~) A4 o, u
let note 0+ b) O5 n- n, O4 i1 S
let k 0
5 {) e- H: n1 P5 i2 e;;计作出过评价的邻居节点的数目( U# k7 v% n* W/ D) V. Y9 t
while[j < people]
, ^4 P4 V, o0 I[
R% \' ?6 m' {1 U( e$ z3 Iif (item j( [credibility] of turtle (i + 1)) != -1)
4 I0 Z. |) ]3 X7 n0 [2 H;;判断是否给本turtle的评价质量做出过评价的节点
7 N! i. n, Z, M( I/ Y[set note (note + item j ([credibility]of turtle (i + 1)))5 X8 m+ X% G: g8 Z+ V. @% t/ z
;;*(exp (-(people - 2)))/(people - 2))]" s. C% v# ]8 P$ H6 Q, e5 R
set k (k + 1)
& ~9 B& R/ L$ |- Y3 ~/ V! V- G]
2 i# x; N: T5 @% |8 rset j (j + 1)5 j) n% U5 w- _
]1 v- s" L% i9 Q7 _% O9 J9 F; N
set note (note *(exp (- (1 / k)))/ k)# ?) V, K- a+ F. e( p
set credibility-list (replace-item i credibility-list note)
$ B* T- W' d/ j0 ?set i (i + 1)( x# A/ t0 j! l0 [8 b* y
]
0 @& C6 b5 |% Fend, }6 r9 F* _& c) N
/ Y. |( Z+ f9 M0 A9 ^3 jto update-global-reputation-list: H) ^& _4 ?0 g% Q1 z2 X
let j 06 e2 e ~: {- \8 ]
while[j < people]9 k3 K+ Z4 [ q
[
" i( S8 W" k$ O: P8 c; ~# a+ llet new 0; K+ F' W4 I0 [+ [' W
;;暂存新的一个全局声誉! a, S9 `. J6 [6 b# {
let i 0
% u7 `2 ?5 y9 X% o' g) ]let sum-money 0$ o, N( {* w2 u! m' d7 Z8 {
let credibility-money 0
T3 b N. u3 Y' J% q! xwhile [i < people]1 ?0 R* [( c% e4 B8 `! y; I2 Z6 b
[
( L: D' {3 ]. y! X. q; N9 lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- _! ]9 A3 K' r* U. U. |set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& P2 ^# l7 H0 U+ V! \ O- h; n% Iset i (i + 1)
0 M% T# }3 [4 t]
/ f$ X: A$ F ~- F, [+ t2 Ilet k 0- |* T) @: U9 N r4 r
let new1 0- H( d7 i0 k( A
while [k < people]6 x: I; z4 ^, U/ H% X% A
[: R9 x7 e8 g) K0 X i# ^" c
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)
' q' n- j0 T( L6 r! aset k (k + 1)
7 H) m5 `; [' k" i9 F. y]
( ^% g" y& w* l3 z$ J- O% I, Gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; \2 w& {7 V( V/ {
set global-reputation-list (replace-item j global-reputation-list new)
: W8 J3 h* G d% z xset j (j + 1)
) {: q. K# k# ]/ K]
& n3 s/ c9 R- T6 Rend
8 y9 s3 |3 }8 y. o7 D0 b0 d) t1 B9 Z/ Y) { }9 D
* p1 g h! i2 ~3 N/ o1 Y, j# R
, c% B5 T8 O$ h( V0 qto get-color0 a& R: w7 [- S, m9 N
. R4 d( Q; w3 ?( L) \; d/ l) b7 u$ D3 Rset color blue
4 A9 g$ {+ a) o4 vend8 E( p0 X c% ?5 D$ `
. p7 _3 h$ a6 B* [ Z0 n. E3 J
to poll-class9 B, |4 u$ t; [7 w, Q5 C
end6 @8 n! s; \/ {. S" s0 ?) n
; F, n4 s# J7 r$ dto setup-plot1
2 z' B' U: o3 B* J! q7 B
& H3 o; _( H6 Tset-current-plot "Trends-of-Local-reputation"& W' Q* l f6 @9 E
) [- H U: H* ?$ ^8 gset-plot-x-range 0 xmax/ z* i V! @3 U: m5 I% N) n# N
. |* t: |) e! p4 fset-plot-y-range 0.0 ymax8 W( N: F0 ~1 V! v5 P
end& y; l% q) q) I+ O$ [$ v, v
( ?% q" H/ h/ f E5 s* Qto setup-plot2; }/ `" r* x' I5 h, {. O4 t3 ^# _
3 r3 Y: V( E n/ i; K
set-current-plot "Trends-of-global-reputation") w, V: a0 @/ W- Y4 ^; F7 t: `
& p9 M; R5 q0 Iset-plot-x-range 0 xmax
) V. k" u" g; S- C9 ?. B& y1 B8 W, K( n5 A) }
set-plot-y-range 0.0 ymax
+ T3 T. f n7 E5 `5 y4 L2 eend
" r$ Y- Y0 r) m/ T
- j0 u1 @ l3 {$ J: I! _* lto setup-plot32 ]! k4 Z' l7 h- ?0 D% u
5 m3 g, K) |2 P: ~1 c/ h1 g( @set-current-plot "Trends-of-credibility"2 S% H2 M5 F/ u0 w+ p9 j; F; U
5 b1 g6 U2 ?6 a, |2 G8 N- f
set-plot-x-range 0 xmax
$ v; C) X. j7 u, q% e2 K1 ?
S1 T0 ]4 \9 h& |4 c2 h" ]& {set-plot-y-range 0.0 ymax N- [1 f- O2 D
end8 X. U' Q$ q9 f
9 y) Z0 a" c+ t. d2 p: M: R, Hto do-plots1 @5 C7 T1 C" b4 R) X
set-current-plot "Trends-of-Local-reputation"
/ J. v- n4 H& O* L( P# Oset-current-plot-pen "Honest service"
% U m; a( h/ `# g5 `end
" Y. {* T5 J" }; I O0 U& [( h1 `+ I3 i" k6 C9 I0 l- y
[ 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
|