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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
$ h. t \" k# \7 l) Q* |5 [globals[% i, b' f6 U+ U# w$ q
xmax3 p* h! ~" e+ P, M+ `. D
ymax
" |9 j% h7 V& c# \7 }5 l$ ^global-reputation-list
/ @3 L: Z" F, O% Y6 N$ L* K8 s) o. d- T! T& b" k2 `
;;每一个turtle的全局声誉都存在此LIST中
) g+ w. T$ ]! E6 `5 Acredibility-list/ T0 R5 g* ^, x0 `' W& `
;;每一个turtle的评价可信度3 _; R. {5 w) Z% l; ?
honest-service
2 w& u2 l' d u3 i. j& }unhonest-service
9 }4 |$ A8 Z& L. foscillation5 Y7 c$ ?( O9 A% B2 c
rand-dynamic! d6 S9 Z9 g$ |7 @- T
]
: ~" }' J$ t( X% j6 s1 v5 t! w6 M- Q- Q4 `) @
turtles-own[
" l! Y: a5 E4 ~8 z! Jtrade-record-all
8 E, v, K. f0 |% h8 h+ q;;a list of lists,由trade-record-one组成; C* b9 \6 V5 e& F I. i- v. l
trade-record-one
; h: C O# D: j5 x3 u# Q, P: k2 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. Q$ h, L& `' t
# c+ t- R8 z7 Y! C3 A
;;[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]]/ l9 S" ] h# P
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]: [" [% l: R- ~0 P. W8 P: 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
* o$ W. y; k2 n/ x& ]' Aneighbor-total2 Q) G9 `( K h+ Q8 r; g
;;记录该turtle的邻居节点的数目" c2 S. E f# f5 ]) C8 @& G
trade-time
2 x' F4 L8 r0 B; F. s( D4 ]" C;;当前发生交易的turtle的交易时间2 p2 p: V, F# F8 Y( `
appraise-give N9 ~' W2 Q) g w0 R$ R
;;当前发生交易时给出的评价& {; Z; V' S! B/ A
appraise-receive
4 Z9 f6 }. R# X3 x; Y5 y0 d;;当前发生交易时收到的评价
+ M g6 w7 B9 i9 A/ qappraise-time
' w& e' w0 _# y/ @4 t1 C;;当前发生交易时的评价时间$ u. f* |" X: o, g8 n" k
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ z0 A) u6 n* W/ Xtrade-times-total
, d; _$ L1 }4 l4 b3 b4 i;;与当前turtle的交易总次数
( ^7 {8 R. K I$ jtrade-money-total: s; l5 F2 x! |* b+ y- c
;;与当前turtle的交易总金额: y7 I$ }0 D. F ~3 y3 {4 Y
local-reputation
1 L' n' M& S+ T7 [! qglobal-reputation4 @" {8 B+ T. F0 p% u/ _
credibility
& [3 n0 J: J! J6 z6 ~. n;;评价可信度,每次交易后都需要更新0 ]* y/ l5 x2 q% I
credibility-all0 c& o3 m2 k! p6 ~# Y3 j
;;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
" X. P7 P6 k* a0 j0 H! t m7 l6 M; g: O9 v+ e
;;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0.58 t+ x# F4 V% r8 L3 S
credibility-one
) V2 x8 k6 f( T;;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7 E' v1 M! v8 g/ v" T
global-proportion) [- J9 I }- ?. Y! C" a5 E9 a
customer
1 b! o7 d9 M2 @) E" J' Bcustomer-no5 i/ x7 X! x8 f: A5 r# B7 Y
trust-ok; y2 S+ e+ _4 |# u- K0 Q
trade-record-one-len;;trade-record-one的长度
2 e6 f7 q2 J* {0 p: a]
/ U# ^: I8 Z# {6 b7 s
u7 R7 E% ^. C5 U;;setup procedure
1 {5 t9 ?2 V9 [$ [, Y+ s+ ]# T) t2 H* O/ d( I5 |
to setup
# n/ l* c7 \" X+ S* _$ m0 _9 D6 S4 |' @5 k$ s
ca
9 S+ s6 h p$ l3 `' e9 k- z
2 y2 Z U+ b6 g' w6 O! u( M1 s iinitialize-settings( Y) W+ K* n6 T: F1 N
9 v9 p( k4 L6 Mcrt people [setup-turtles]
; R0 Z; j9 X& ?# I* A" t2 Y' F; R/ e- x
reset-timer% s! O4 f# v# G$ }8 C! x
) @- O; k. H! h9 [9 s
poll-class
/ L8 u& G$ w8 X7 v* F3 r( n# d1 y% @* I& F: {% s
setup-plots
, U0 x( P4 S- [( P4 g' q, ]% u' ^+ D% p) P' g2 x4 p) u
do-plots7 q* a* I& p5 T( F; S# a+ L4 o
end$ G" R8 Z O+ ^. ]) p9 \4 |# S
* I1 E/ A6 q2 j3 `
to initialize-settings+ c; E- v- s; n. S8 ]7 [% d" H
9 Q7 @: d/ h) f) U
set global-reputation-list []
- k8 w- ~9 q2 C4 F) D9 J8 q
5 L' E" T) l6 e" e6 X/ Mset credibility-list n-values people [0.5]
- ?2 P9 Y6 J6 B
) J' T) d( D( H( Q7 `" T* e# j# G/ sset honest-service 0
3 j- p5 _$ l, p& m
+ G# B1 u }) nset unhonest-service 0( Q- P9 c2 k1 t G
! x- a4 t- q0 y8 ~4 i% L
set oscillation 0
5 i7 z' ?- a. @. q v& `. X
4 D+ F8 F# f9 Y7 h% E2 F; r! Mset rand-dynamic 0
[9 f# J! z* ]# e }end/ Z0 v) t+ D7 S# O2 K& y
) C8 Q+ `- G1 {0 Q O3 s& G
to setup-turtles $ u, [) n9 n7 Q5 e% C
set shape "person"# F5 k6 t3 a. s; B5 f! R
setxy random-xcor random-ycor
# A7 x# y3 V j' Cset trade-record-one []
3 z6 m- @7 H! w6 k5 F+ [4 k3 Z. H) d: G% v2 N Q8 I
set trade-record-all n-values people [(list (? + 1) 0 0)] " X) E- [ R' B+ ^ p& O9 A; N
9 H6 d; S9 o/ d" b3 }) F& Xset trade-record-current []
8 [4 K' \" s7 |8 F, a; N. kset credibility-receive []
* j. g j+ t" q0 Kset local-reputation 0.5# E0 `1 _& Z! h( }0 M w
set neighbor-total 0
3 K9 S3 M1 t: W, @ l% wset trade-times-total 0
( U9 L$ ^; e1 ]7 R3 Z7 eset trade-money-total 0
& Z: m5 F/ f( E6 o4 p$ ~9 Aset customer nobody
L" P2 g1 g' j2 O6 B' z, ~( Eset credibility-all n-values people [creat-credibility]
: A" e3 y. W4 n" ^set credibility n-values people [-1]
0 g& ^1 ~" F. T6 G& r" cget-color9 X8 h( {' |' i6 Y3 v1 c
# i' _4 U$ }# d* Y% J7 Send1 l$ l g `! f9 w0 {
6 z% m/ @* y' w7 b
to-report creat-credibility
9 N5 n* h9 U( j9 ~, o/ [1 X( a1 T& qreport n-values people [0.5]- n: U# J8 ~( Q1 d' P0 e" V4 v4 J
end g. ?6 n' e Y0 ~* x% L% \0 v
- a& [6 X- j D0 I1 f S% |/ B
to setup-plots) d ^0 J* B/ I d* x# v- w
) e @. {1 C9 r7 @set xmax 30
' [: ?5 L0 J4 u; W2 {( U! p% ]4 R! o) H, p
set ymax 1.0" }# ~8 |* K3 T5 d1 A/ ?! s |
: f& ]/ ^* F$ k1 gclear-all-plots) o. q# M1 g- l( H
! W1 t7 K- W j/ ?
setup-plot14 Y6 ]$ G% v' k* t
8 s' C( k; ^% T) U+ [# {% Zsetup-plot2+ v7 R' ?; _0 q: @& _* @6 Y) T% Y
0 ?7 H! w9 ~" O3 V+ {
setup-plot3
/ J) H6 H' n$ T3 Zend
7 d# d8 W% E0 }- G0 C/ ~! b5 u! \# H8 R
;;run time procedures
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to go
1 d3 h9 z: T& P" X& H# t% z, j& l' ?, T
ask turtles [do-business]
- K. g" e% Q3 ]end
- R* w, Q8 O9 J' p! I' t% H1 k Q
% K! E2 Q$ F; \7 J& |2 _: z( h# h+ oto do-business
+ B) \4 z' M! V/ _) p2 W
7 V2 Y8 a: r/ k9 _- e/ V" K
# `- ^5 f8 G. Y B# e+ u8 vrt random 360; {# ] X2 m0 `+ H$ s( v0 j0 a
9 X& h: R1 I9 ^" `2 t# P
fd 1! ^4 r, R5 I/ r& Y; S; Y' Z5 l
+ ?8 g% n* e0 T$ E
ifelse(other turtles-here != nobody)[8 S9 E2 u$ i2 T2 V' X
6 { b$ ?, _; A2 c% f+ ~! `9 l+ ^
set customer one-of other turtles-here
' n5 ]( H; V4 R- B
& b$ Z2 I8 Q8 `" M* I9 p# A;; set [customer] of customer myself+ b3 L) l0 M* t. Q( o! R2 H8 W M
0 s& V% r9 D0 |* u6 U3 {- g7 X6 s
set [trade-record-one] of self item (([who] of customer) - 1)
5 @8 x$ ~$ v; Y) C& ~6 w9 M[trade-record-all]of self
( h9 s9 N% n0 P! C- {4 w;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
0 g! B% w( B4 \3 C3 A E, n! C* u1 n! s
set [trade-record-one] of customer item (([who] of self) - 1)
$ m, X' j- {* c1 S& \( }# h[trade-record-all]of customer" v) [. J0 }* `" G
! h7 u# Q" \- K0 E6 N7 l) ~) Uset [trade-record-one-len] of self length [trade-record-one] of self5 L+ a' `8 {4 g" c( T
; w6 h8 l! E6 hset trade-record-current( list (timer) (random money-upper-limit))
7 t+ E# P) X# S% l- p$ B; O) U7 \+ ~1 U
ask self [do-trust]
5 L( p) U" V9 n+ @;;先求i对j的信任度9 H. A/ Z& h9 N' j$ i
" G8 }4 N w* ~* q2 V+ @2 v5 Aif ([trust-ok] of self)
. ]8 i. B! N! W# `;;根据i对j的信任度来决定是否与j进行交易[
, {" ~) M m1 D; Yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 s- u9 E8 ?: ~: h h3 k3 i
0 E- x/ ^+ g& \! R: j! M; s# z: j[4 a7 T" b6 l. j0 f
! a( k- U0 `; P0 E
do-trade
' H. ]- i& k" ~/ C$ z$ z; i! S" e
* e2 D% \ A2 Y9 d8 m( Tupdate-credibility-ijl# v4 Q, L3 y5 H* _+ X
# c: E3 s1 H; xupdate-credibility-list
9 k: T4 |0 Z' O/ e; j5 Z3 p6 y' L; w# L# C4 G
4 M& p, J5 J" \
update-global-reputation-list, P7 O1 c8 f9 w3 W5 P) z
5 b$ d2 B0 f6 R3 H4 Q5 `( a
poll-class* C+ z7 B# e# J. e# Q
/ S4 F3 e E: Y6 l5 \
get-color
! a6 i5 b+ J1 c
. \7 C1 T9 j6 \& m# j]]5 ^& D# s5 H4 }9 z( g5 N! D
& K; X4 B' f8 x9 P) j- P- X6 i;;如果所得的信任度满足条件,则进行交易
* ? H: B' M! w$ J1 b9 k7 p9 V% z+ R% ^: i4 w0 u6 D- F
[2 W/ N" U9 T! D8 ~
" c: c- V. i5 J, X* R
rt random 360
/ l G- O: r: P( ?! \; G O, A: M0 \
fd 19 I; ~/ Z) h( x" Y5 {- K) v
c7 V& e' c: q6 [, p1 Q7 ~]
3 Z5 U4 e5 d) a( O s+ K$ [7 ~0 C$ P1 _1 u6 d( u
end, T8 r7 ~6 y4 r% f3 x% z9 Z
( G- H' v' h) O* X) | W
to do-trust
: B- B- F$ s# i; e- | ? z4 l, ]5 Wset trust-ok False& U' B" A2 H1 z2 M+ n; W& Y
5 H( M c& g9 R! G% y' {% e3 k! f0 M+ \8 s: T% U. e
let max-trade-times 0: h( Z: r! J7 q" }
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
( u; M( \! |- j7 ]let max-trade-money 0" T; Q) V# X1 {+ R3 d
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. q! R6 h' [! ?
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 C i1 d' `' d0 T/ L( g* }& w
6 v: J$ C# i- f ?% ?! K; X' ]1 @) f' H8 h% B& W5 x- x: D
get-global-proportion
8 ]5 S0 D/ K( V9 `4 e; G7 \let trust-value
4 j+ z( C3 t* v3 z5 ~0 u; D# R: k) wlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
Z6 y6 J, [9 w4 ^" fif(trust-value > trade-trust-value)( S5 l6 _5 w7 W* `% `5 k0 }" c
[set trust-ok true]
& v2 n" t( ?, k4 Send6 t- c9 |( e' c
6 i" E' h5 s% X r. ^& p2 f+ E5 t: sto get-global-proportion7 P( X% \9 t' p; Q' }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 @) U# e* m/ K1 n% r( g. l[set global-proportion 0]
' d; w- H9 {7 k6 c[let i 0
. k7 N u$ ~2 s. Zlet sum-money 0
/ A/ T& M4 S' H$ A# ? A$ ewhile[ i < people]
* F* j3 h+ z7 |: v7 {[+ N( A7 u8 ]! ?) U E1 B3 ]0 ^ i) x
if( length (item i8 _. p$ y8 {% k p# |3 u ]9 u: c
[trade-record-all] of customer) > 3 )$ h" i; A4 F, h
[, `% p; u) D, Z2 s
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: t0 {) R7 n! p3 _8 Q8 f]
6 K, ?' H E% P7 t& N' ^]2 d* ]1 a/ V8 ~
let j 0
5 h3 Q; l: R. E; O6 X4 qlet note 0" ^" ?1 ?2 G2 B+ ?( Z- J4 T: }
while[ j < people]! t, T4 R3 w2 u& K8 c) N! Q5 [
[* q5 B& {9 I& n5 l- y% E G
if( length (item i
, x% E1 |! `. c# x% @5 t[trade-record-all] of customer) > 3 )# @. M2 f3 t" k! l
[
$ T2 s/ S6 \# P* z( a& H5 A4 R& Q. o7 C. @ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 T9 l, E: ?5 w, ^- o$ N
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& c$ \& H6 U/ _# I
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" A0 _4 u' L [5 @ j]
1 H) @6 Z* H. e8 t2 i2 c* m]
2 O) K- T- a" U# _set global-proportion note- e- S k" ]. f; C/ T, U, {- O
]/ k" j( g B* a4 x7 S* S
end7 I) a& M$ e" h* V8 Z8 b1 q
+ q) R- c! {& D! E, ]( Q7 r1 b
to do-trade, \, ~- c/ r0 n. x2 d
;;这个过程实际上是给双方作出评价的过程
+ {: t3 T# C3 z" v8 {( Y' G6 }( Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
; L$ X! q4 ~8 D/ d4 g5 d k8 Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& ~6 R" c. [" [7 z! u+ J/ j
set trade-record-current lput(timer) trade-record-current' E8 E. l& J4 @: V
;;评价时间
9 ~4 _# A* v+ Z$ b9 Nask myself [8 }% ~! `! M# ^! r! a
update-local-reputation1 L% @$ w$ A, \! @3 m$ P5 i
set trade-record-current lput([local-reputation] of myself) trade-record-current4 P5 O) a$ Q& ]5 u% l0 V \
]
1 K# H8 H8 E) I1 J/ bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- d. U* \6 x' y) K( s;;将此次交易的记录加入到trade-record-one中
. U# q, T" |2 H0 P% fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" E3 i8 g% h, ~) clet note (item 2 trade-record-current )3 t" Y* ]* @) D
set trade-record-current7 P/ n- j s. M$ ^+ F1 C. |# A
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 o2 x' ?& Y- @% ?% u3 Wset trade-record-current
* V' f, t: [. n% j& {, M2 g(replace-item 3 trade-record-current note)
. `6 r) [& g( A/ A ?+ d1 J0 e1 o/ \' p$ P
* Z8 M& n8 L) M& @4 y# X
ask customer [
& A7 e, q- |! `& @update-local-reputation
3 K2 d5 B" H1 O: K9 U$ d2 }5 dset trade-record-current
( \0 Y) e) s- L, `- ], A(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- f5 Q, w [& h5 h, ~. E3 u- X6 }]2 ? Q+ ?3 _$ [! Y9 E" C
9 ^/ f% v6 [" v9 M% A- X, \/ s; U$ e7 Z7 ?* a7 m( T2 O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) s9 s$ q& [+ d) { C, B
+ K" o) s5 x ?& O; G
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))0 e) y: V) e1 p2 { |8 [
;;将此次交易的记录加入到customer的trade-record-all中
/ ?# F/ l2 E/ W+ zend+ l' r' k1 n+ s1 ^
4 e! r1 g) `! }0 ]
to update-local-reputation( \( R% s1 N5 v; M" X
set [trade-record-one-len] of myself length [trade-record-one] of myself
) |+ l2 v2 A6 e$ r
/ G5 J9 W& s* a) H* R- A' ~7 j$ B! q3 e0 d2 P9 ~8 c
;;if [trade-record-one-len] of myself > 3
_: R5 \- D8 Pupdate-neighbor-total
4 b! f& W: f1 G;;更新邻居节点的数目,在此进行3 H3 `: D# c# P7 B4 g: a
let i 30 `8 `3 V2 y/ |2 ?' v) X# ^& Y
let sum-time 0, w- i+ y: R# X8 |# [+ L# B# f
while[i < [trade-record-one-len] of myself]+ j/ d; d* q, ^
[
+ m* v7 X0 {* t" yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 d6 Q5 F4 @9 k j8 @1 M wset i
! L1 G& j0 |( I) W7 D" ^! L( i + 1)
" q9 ^0 r1 O) f; e8 X9 ~]1 \/ X: J% u+ B) t
let j 3
8 x& \+ v. n! ?6 W( i$ a4 B' L. glet sum-money 0# q" E6 z8 ^. e. m" b8 v( B' ]; ^
while[j < [trade-record-one-len] of myself]
# r4 e k7 j, X' k, P3 ~[
. T+ b: G$ S) u# Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)* r5 W6 D2 i8 N% [6 a
set j
* s+ A5 a7 S5 u( j + 1)- Y& B. J# A! x4 k1 f
]
6 W; p' f/ N3 u1 H" ^2 ?6 E' |let k 3
# b6 G! ?# r# r6 N/ e" i8 ulet power 0
* x( l% [; M6 @+ C) L3 }+ Wlet local 0! d- Y1 ^. s* x. I! g
while [k <[trade-record-one-len] of myself]% v* d* X5 S# A) z( ]' [$ _8 D- _
[4 r7 y3 w2 f; w1 g2 {
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) / J+ i, @4 B* v/ [6 ]
set k (k + 1)* S+ V# I @! C. D+ S: s: q
]( T h+ Z) A3 \' s+ I6 W8 z
set [local-reputation] of myself (local)
/ |3 Z# ?% [, g/ ]end$ \" U: Y6 @6 F+ A. \
3 m" b' I6 Z/ P, q5 U" I9 Jto update-neighbor-total
/ A6 m5 ]: E ]! S$ D6 z
U4 c; I+ V0 S0 x. dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ U0 h& b3 i2 T' |* @% |
) \& Q' Q. F R% E6 @
4 C1 R' B4 c9 k. J% q9 P/ G' U0 W/ ~end0 m: Q) E# ` T ]7 q7 a- ~
! `+ a1 I3 c u6 T& z6 o, H
to update-credibility-ijl 7 ^7 F( `# b/ `4 s5 u
; m2 ~9 Y C/ z$ H, S5 h
;;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。
4 \0 _8 B/ {' [9 @3 O; c! Y& [+ Hlet l 0
: I9 H0 V* r* Ewhile[ l < people ]
3 h0 p7 D1 U6 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) G4 T! A- }9 J; e! a
[
( C+ @( ]' ^. p Mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% s% Y( r( |6 y, iif (trade-record-one-j-l-len > 3)
' [- s$ |8 }, L[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+ `; F2 `# {' ^" r, T% }7 D
let i 3" H+ G- C3 }+ S5 I
let sum-time 0# E. B( ]" p' Y" [3 z' j5 q
while[i < trade-record-one-len], x% i' l, I$ N% v. E0 ~/ C: P
[ ~! [1 x5 w; w6 N, f
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! M/ q7 {, O. D* z/ ]2 i# {
set i/ k& c" k6 {- {
( i + 1)
" t$ h& Y) m8 O1 ]( Y]
5 F% A6 w: ]2 hlet credibility-i-j-l 0 K! Q7 G9 O$ ^& Q2 _
;;i评价(j对jl的评价)
) v, d2 a5 ]1 i: slet j 38 [+ [9 Y( f4 a) r7 |
let k 4
# N, k4 _. m6 L% ]: Twhile[j < trade-record-one-len]
% B* x, W! D- ~: G+ S6 V[/ j" {: c! E# A
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
5 y: Q5 f" Z9 N% ~1 F c5 `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)
5 r5 N5 p3 R4 V; L" Sset j
) C1 B( X* n5 k% V( j + 1)
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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 ))8 s! D) e7 j8 \" x+ x1 G, f8 z
6 E5 O5 C, Y- N- r
5 U- e& N, _; W0 q+ q7 ]0 B
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& f2 ^' C0 J" e
;;及时更新i对l的评价质量的评价
% k$ j' a2 b% Q3 ?+ Bset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& L1 O- n# p2 ~1 v# b; rset l (l + 1), N: Z( Y1 H2 _7 k% j3 l4 K& T
]7 K0 v" W, Y. g6 R0 b8 M3 @
end! Z: P( R5 k! i# u
) p i+ Y3 B& ?* ?. v' l
to update-credibility-list
1 r. [ y7 ^, G/ Alet i 0
7 D% o# Z( w# x2 q5 {" Y. t1 Rwhile[i < people]* `$ s" a7 f* k9 `7 | \
[
+ X( K6 T! {. p: E! s/ j9 Mlet j 0
" @+ k3 A7 T7 h, Y2 c% U9 F7 wlet note 04 f# w# {7 A# k1 e
let k 0
9 I. P7 E$ z7 v1 J;;计作出过评价的邻居节点的数目- c. u/ t S6 g. B! `3 `, V* @
while[j < people]+ r, Q" Z2 b) g
[5 K! J2 t! Y" m* J A1 h
if (item j( [credibility] of turtle (i + 1)) != -1)
' }9 v) d: K: u& A3 t$ |2 A;;判断是否给本turtle的评价质量做出过评价的节点
% q7 L! j: U0 e. s1 W6 r: ~9 c[set note (note + item j ([credibility]of turtle (i + 1)))
1 `# X% o8 J) @8 g( G! e9 i;;*(exp (-(people - 2)))/(people - 2))]1 W0 G% p6 M9 F' V: O
set k (k + 1)
4 Z6 a1 p4 K. _. s3 X]- B6 L S( M. ]- l1 j9 i( f
set j (j + 1)) H, D0 U C8 A9 h, B
]9 r8 I3 s+ y% D! R
set note (note *(exp (- (1 / k)))/ k)" A8 B% i; I3 y7 o/ k
set credibility-list (replace-item i credibility-list note)
# u2 L5 q4 `4 S( H6 b$ i* |& [set i (i + 1)" \ t: E7 S5 |: k0 y
]
& F$ M% c- G6 y8 \: Zend
5 |3 c2 |$ e& C9 e( `
- q- l7 i: w% d: hto update-global-reputation-list
7 y; j& f5 Y6 g6 ]7 o& o8 H4 ^; Qlet j 09 H8 i |; Z) L9 T
while[j < people]1 J. _! H3 w e) [; \5 m
[
( g2 | I/ g; W9 m+ jlet new 0, K: v9 n# O: [6 T3 [/ i
;;暂存新的一个全局声誉
4 `9 |% c4 k* k- T9 w rlet i 0
}# T: L: u/ Y2 B% ]$ g. m# a" _5 Slet sum-money 0# `+ y {$ _! M6 Y" Y
let credibility-money 04 n1 {; n0 D$ W5 z: a- Q3 j
while [i < people] ^& c0 a8 ~% Q2 O1 H/ Z4 s
[
/ _) H" A8 `% aset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 T0 C3 a% P' [ V, M. fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 ?; ?3 E! H7 Z# Z; b, E( l" b
set i (i + 1)
' D. |) E2 J/ j5 \! k. w7 a]
I1 i! h# C, I7 b( k; wlet k 0$ ]# v, W3 Z3 F6 n3 l ?
let new1 0
& g- }, B2 H' X9 Y4 t% J) a' q1 iwhile [k < people]1 j3 p' p# @7 S& Q9 u7 M5 G3 |3 n
[
- i$ U4 Q4 l8 ]: mset 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)( j% L5 Q( }7 V' a* {
set k (k + 1)! e( q! B' s# ?" N
]; v8 D- Y6 P3 \
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) {' @* i$ d6 V6 k
set global-reputation-list (replace-item j global-reputation-list new)
6 @3 x. j% j" F7 x; N& iset j (j + 1)
# p. Z8 l( o6 X, i8 P# R]
2 I( Q) r2 i, H: C# w% h- ~, T: h) pend
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( ^6 M* o+ m! r* `0 n4 V" { Q) f/ W: t) r
" k* N$ l3 k7 O0 z' o! U1 Uto get-color
5 `# h" o7 H) h. |1 x
+ R M" s1 _. @# Jset color blue3 A# C g& a7 Y
end
9 B9 E' H& O. y) V/ d: ~, }7 d8 _, M" \2 |. g! M, g
to poll-class
M4 {, V! g( _9 j7 K" Xend
8 u" I5 B0 h7 b3 F( P: a3 z% ?4 |8 M1 F# {# b0 q. w- G4 D! n
to setup-plot1
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! b" R! G$ [( f: f" o) gset-current-plot "Trends-of-Local-reputation"+ O9 e/ P; y7 M+ z) I' c- `
) Y' O0 M: ]" ]/ E
set-plot-x-range 0 xmax
$ ]0 w+ q' X- e/ E! U5 r
# n) l% B* o' oset-plot-y-range 0.0 ymax: l+ ]9 Y% _4 D5 A
end
5 X+ {) T# K" E4 p% K F3 I1 a
! @7 z2 R9 I8 l% E* gto setup-plot26 B8 @4 Y* \" D! q V
# _ D1 U% J. I8 A% G9 ]set-current-plot "Trends-of-global-reputation": q0 T" r4 K( G; G' U/ x$ p
" R& g- u$ y# W4 m) E4 ^# |
set-plot-x-range 0 xmax3 q% U9 A: P8 R
3 l8 a) y. A1 S( I8 _/ ^9 tset-plot-y-range 0.0 ymax w3 E' U/ Q3 q9 j) U$ u4 H
end
7 }3 y' O: |, v: \5 t' L# Y! a, i5 H
to setup-plot3
2 p7 S( r3 `+ v- v" b
# ^- P2 H/ n) Q Mset-current-plot "Trends-of-credibility"
8 T I9 |; |8 I3 `$ U" D3 q$ Q5 }% g) b8 F o: D
set-plot-x-range 0 xmax* L' c/ f5 }5 a2 j8 W
8 r; x- R& [& U7 s! U- mset-plot-y-range 0.0 ymax
. W# K7 f0 r6 r9 i# kend
[# ~4 G% ^8 d) G0 D$ O( W5 L% x6 i) w
to do-plots/ U8 q+ `! d% X* D7 U# W
set-current-plot "Trends-of-Local-reputation"
. v' j2 C! k: A& rset-current-plot-pen "Honest service"1 i; _& T5 {, m, Y8 Q. X0 ^& `
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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