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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
, \& E8 d! K3 iglobals[
8 o8 ?2 t; P* r. d+ Q9 V$ q7 @xmax
9 W& f# {. a( e1 v w/ ]ymax
; l: `& n" r+ v# {: H Wglobal-reputation-list
3 J5 x8 w* |: G
8 @) \1 w7 T" l, s;;每一个turtle的全局声誉都存在此LIST中
- [; {. N6 ?; j; `+ zcredibility-list
8 y) [# d& `3 @$ k& X9 }- J;;每一个turtle的评价可信度# @7 `, p+ e, X7 A# c; Y7 l" @' c
honest-service
5 n: B7 m/ O0 l1 R' nunhonest-service! R9 _% V a h- I# C0 d. Q
oscillation9 S) S0 u; Q9 z. R. I0 E
rand-dynamic. R" t0 [" k; g1 @! D' U
]% X, e- Z: s4 H4 z9 k( }
5 b1 Z* v* f' r. B, t# k' h- xturtles-own[
, U3 w' N' B5 b/ D9 `0 {trade-record-all) v4 a- j! m5 p. T H
;;a list of lists,由trade-record-one组成
) l: U- Z$ j7 ~5 m f2 U+ q; Ztrade-record-one
) F: o9 F4 G! R$ d- v;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, P: E0 ]2 m1 v8 q1 P% @, a& P) [, ^
;;[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]]6 n6 d5 B/ r9 ]3 d# F
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]
- P* _: p ]' g: z( l7 F8 lcredibility-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
0 W' h5 x I- G5 g/ vneighbor-total
9 T4 } ^- I. M4 P0 {;;记录该turtle的邻居节点的数目/ n/ _/ g( D8 W
trade-time
: i L2 k$ _( Y;;当前发生交易的turtle的交易时间" j3 \/ {( j+ _
appraise-give* F6 N. d0 `! |( X5 I: W9 H# F3 t* }' X
;;当前发生交易时给出的评价" d# E. A5 \: ~; |( j0 w. p
appraise-receive
$ O$ d, u3 l# r' B- K- B;;当前发生交易时收到的评价& N9 P% D% T( c3 Y$ w& m5 ?( ]' p
appraise-time" Z0 e. b4 b* B3 z5 x% V/ X
;;当前发生交易时的评价时间2 Q+ ]+ R& f! l+ i4 \
local-reputation-now;;此次交易后相对于对方turtle的局部声誉6 W7 `! D0 ^) D8 K3 J/ F0 T! y
trade-times-total
0 Q8 R2 C7 N# }3 w- x;;与当前turtle的交易总次数
, I* X0 w9 S. [# b% Htrade-money-total( d1 m0 F7 K! G
;;与当前turtle的交易总金额
- U! U8 O6 L2 l6 }6 o( f \! c* g0 jlocal-reputation- Y) ^$ x3 F7 w2 A' u
global-reputation1 K/ U Y$ @1 n: Y3 K4 e: U
credibility
2 ]2 P0 P- k" e6 y6 Z( J9 K8 _;;评价可信度,每次交易后都需要更新& z9 `" t6 g6 V3 B# s: K
credibility-all
2 l+ U4 C* _4 e4 u1 [;;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: Q1 V/ q3 K6 e' u( A {% G
: E" U3 r: j; @4 J+ D& F6 K# h* J
;;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" Y6 s5 U4 g) V% z6 r
credibility-one c# ?! j" M, N: j! F
;;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 ]9 r2 C2 P+ x7 e7 J4 Sglobal-proportion
6 B8 T; x. v& w$ u) _$ d8 e% k# fcustomer1 A) m9 `2 \& j4 d* c
customer-no
3 ~5 d. R; O; l, H% K: wtrust-ok
" Z* d$ N3 n h) @* b0 v; M8 Vtrade-record-one-len;;trade-record-one的长度) `; y5 ?* C% ]5 Z5 |6 D/ O
]+ N2 k- o3 q) i7 F: ]$ a- v$ Y/ l+ V
: Y6 D! h: A2 V) D f) ]: I4 H q;;setup procedure
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to setup; i% O# y) c! |/ z' b
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( T9 }+ ~) U. E6 Iinitialize-settings
# T/ z& U, B. b
" U& r3 W% l$ K" E" U4 ^crt people [setup-turtles]
$ N2 | Y0 c8 `
T+ [: A5 g l/ V' Zreset-timer1 c2 H9 @4 H" P
3 P( X4 L7 T6 S+ i
poll-class, I$ r/ T& ?/ f3 {9 |8 {9 k
R* f2 f- O! ]setup-plots5 X% x1 D2 {" y4 z
9 j f) N% |3 T( b1 V7 g9 Ddo-plots
0 {$ ]- U0 H, p/ t9 R4 Hend
# @* A& I# g8 H& G" g% ~1 M' U$ M* A$ x. o# K$ K
to initialize-settings$ n& o4 z2 V. Y+ ?9 } O! y) \
: a4 G5 K0 P! ]; i* lset global-reputation-list []4 W/ Q4 {0 v: N, a. x! W. j8 n/ y
B; ~0 M( c: ^0 L: V
set credibility-list n-values people [0.5]6 ^, j Q4 H' L m5 d) L9 K$ I4 g
# ^/ ^& h1 y$ q' @set honest-service 0, w5 E! u: P5 s
# f% k/ Y% e& O9 z/ {* F; ]6 N7 P% t
set unhonest-service 0
: |" N5 }5 Q0 Z9 C5 P. E. h
: S* M+ _' M$ X; m9 A6 q2 H* ?# i" n3 `set oscillation 0
6 j% \+ P- w9 t! [" D
# J7 a9 W: x* \* Y& rset rand-dynamic 0
/ w& A! a2 @% @0 vend- `/ i9 r+ n( r( I' u! R( V
+ d) o# C ^0 h8 eto setup-turtles
' |2 ~! p6 X) I2 ^set shape "person"
4 j" Y0 R5 _4 T# Hsetxy random-xcor random-ycor
0 p% j3 Y7 p+ ]( B/ tset trade-record-one [] B+ @) s" Q1 w2 g, L5 C
; P3 c- Q$ u9 k; i
set trade-record-all n-values people [(list (? + 1) 0 0)]
@8 r0 F9 k2 e. G4 i7 n" u2 Y5 b( \# t, s
set trade-record-current []5 g R! D2 v: B; c7 O2 M7 ^
set credibility-receive []
) |; G% [" ^6 o9 ]set local-reputation 0.5& V/ x5 }$ v9 d
set neighbor-total 0* F5 f( N; i" v
set trade-times-total 0
1 C/ c: ~8 P4 P0 O) vset trade-money-total 0
8 B8 f5 a0 `' L1 q _* _" @/ eset customer nobody
8 c+ `- I% D5 v! e# m9 P* Fset credibility-all n-values people [creat-credibility]8 B. j) p5 F( s- V- l9 i- n
set credibility n-values people [-1]
, n( T4 q5 d4 ~. q/ F% P5 d3 U# Hget-color
) h) \$ d9 F1 O2 y, n8 c r; G7 a" M- J3 ?% F# Q
end/ a( f3 w) P% @3 ^+ Y6 Q' Z
x" I# i$ @& k! w M1 J
to-report creat-credibility
6 a& n% h- `: P0 l1 rreport n-values people [0.5]- Z# T. u4 d# x' a" I" {
end
. [/ ]9 s1 x# ?" L, q q
$ F, i' n+ E) q0 J9 n& hto setup-plots
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# K: M2 w8 \% R$ n2 F G( @4 B& \ Nset xmax 30, U* I. g2 F9 Z
- j4 a' x6 h0 z9 {0 p+ G& y! G
set ymax 1.0* g' I/ U# q- {
2 y# _) k9 |1 v. v5 l2 I7 Tclear-all-plots
' |0 A# e5 r; I( g+ x: d' m
( [( \) K! n$ t( p* isetup-plot1' B* Y ?6 Y. J+ d- h; L
* W3 Y5 F2 k8 C$ L s
setup-plot2, L/ R4 ~% I% j% @( w. D u
2 e1 O# ?$ b+ c; |" b
setup-plot32 C7 ?: B& t* F1 ` W1 \
end U# d4 j( G8 i( d
7 C; }+ O7 t0 V9 p, O" t
;;run time procedures F- L8 x4 }4 a8 p, b" o- [
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to go" G; @6 Q* D, O
$ x& V( `# O/ b. ^4 r; X3 n9 Y; ^
ask turtles [do-business]
4 K( ?, y# U7 h2 Q$ _8 M6 t; Dend& n- q" j* J$ q! r$ J3 {. X) E
- r- k6 e: H9 C. ]5 C) D$ @$ D' Yto do-business ) l) c# Z4 D% v) K
+ r5 u* g6 D# v% o1 [
E( }6 n9 ?, N9 }
rt random 3601 g2 C1 u& z1 b( d, Q: o6 }2 O
5 u- k/ H% i6 E/ B8 l
fd 1
1 b6 x _( T+ D7 @
: r/ a/ ^* x$ T4 E, u7 d8 e- v0 N) Sifelse(other turtles-here != nobody)[+ e4 N4 U# a2 t7 `/ Y
, Q5 t- T! h. v1 u2 B( t2 R; C! Tset customer one-of other turtles-here
: [1 O/ J* ]) [+ Y1 k+ K6 E6 Z2 s/ w- r) m% l6 r
;; set [customer] of customer myself- a- ^9 _$ g8 P( j9 H$ k) F
* H9 Y4 k# C- }
set [trade-record-one] of self item (([who] of customer) - 1)
* H4 t( P7 J7 c6 a! o" D$ ^[trade-record-all]of self. o9 ~+ }* U3 t
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 c* X0 S( H$ v1 ^# W! _
+ ^+ r& x, _7 B& y$ Vset [trade-record-one] of customer item (([who] of self) - 1)
% u. _9 z$ ^! }, e( R4 k: U[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self' Q' {7 S7 r4 L7 B6 t
% l+ I. ^6 w T) Q4 E
set trade-record-current( list (timer) (random money-upper-limit))7 s; C9 I* h3 @- D& x _6 j2 q
) H0 F0 b. r+ L0 d
ask self [do-trust]; T* R3 T) n* a; [
;;先求i对j的信任度7 [ L) U1 X/ Q, ]7 x2 \
. N& u- ]/ {/ p& sif ([trust-ok] of self)
h/ s; a. V- T& C7 U) M;;根据i对j的信任度来决定是否与j进行交易[
/ s9 W; P$ y4 w" Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: V, T1 ~& @! B5 |* J. C7 W, `, o n
2 u, J% v: B% Z
[ e2 y9 C# {3 }( y" p7 q, s
: e; B3 b2 l6 t7 `$ y4 c. s
do-trade$ \) C) J* s2 _% A' n) p, q6 V( [
2 K9 L; v8 N; ^0 K+ T' O
update-credibility-ijl8 {( W$ } }8 h- L
+ x8 N! I1 O4 _0 J5 S+ h, F ]
update-credibility-list# L7 T7 I* C. w; ^
( F" Y- q# O+ m( o# q4 T4 {# z4 ]
update-global-reputation-list, R, D4 O0 }2 S$ \5 Y9 _1 \0 P
6 x7 @8 s# G% G, X# [, Opoll-class
$ Q1 X0 ` `8 D9 g( T1 ^5 ~
8 w, m/ U7 A6 R% iget-color9 ]$ R1 E9 }- Y2 C( t
3 U% R; ]7 [. ]! e6 R( T# L' i]]; }9 Q. _+ z6 K* [
* X$ T3 u( g" Y% S7 ^; _
;;如果所得的信任度满足条件,则进行交易# }# @( a. L9 u y$ c" f: [
9 P/ x9 Z9 A& Z9 g+ u o- \
[
+ S" s. ]7 \. N; `) F
7 }+ y0 [; D$ c1 mrt random 3606 [9 B1 V& L+ X! _3 q- J
/ E Y; p/ F. s4 Y
fd 1
5 F" V2 l0 `5 O( P( }
! i. |* M- v- M: _]) ^$ b {) Q5 e0 i
3 ~2 H% M" o" F% @end
( Q2 u% U3 o0 R7 |+ W" V4 K5 \; o7 q. S4 R; ]
to do-trust
" N' ^+ | e' X' ]/ H4 wset trust-ok False; ~, N' ~% m+ r/ m- l% O9 l2 E5 o0 G
. Z1 i: W; g4 L% w+ x/ g, x3 h! a$ U3 |( n
let max-trade-times 0# e( b5 ]9 @) H' h. V0 D, W" b
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 w, T6 _5 J# V* p) o
let max-trade-money 0, G8 L2 A) ?) q- O+ k0 Q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 j8 Q0 [; I# P. @5 Jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, F1 m# i# U' B( I' l
- J/ J7 E2 \+ {' H# n% D T+ `8 B4 \- v4 S, F8 I
get-global-proportion* a: l& G/ x9 A% e4 Y
let trust-value
' Z5 P# ?0 ]. e& J3 Q) b9 Llocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% k* z* e3 k$ E% z
if(trust-value > trade-trust-value)2 v) S) X4 a6 F8 q8 i6 p1 x
[set trust-ok true]5 `' j5 O, z8 [5 K$ ^/ r8 w
end
- m( _! q# \1 t# g9 x0 U; v* Y( _4 a8 l0 q# y
to get-global-proportion1 \7 r* C7 X9 H* \ p
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# R4 Z+ h+ x" m[set global-proportion 0]
- Z9 v4 b( k7 g& H: |) l4 L[let i 02 N& U9 R/ Y2 m" t: c
let sum-money 0# P; i( L. b' ?1 M3 X0 x) q
while[ i < people]- u+ F5 p+ W5 b! F/ N
[
& Z+ I$ k* p _8 _( Bif( length (item i, I9 ~; q9 _/ R I
[trade-record-all] of customer) > 3 )
+ S/ C& l& h, b) E# ^- p& J[) Q" a' ^" D7 t% `4 H: d
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
/ \( R+ A7 ?9 H: f5 ~) n]
7 C. H! R/ V0 Q# q6 t! s]
' ]$ M ]4 J! _- i. Xlet j 0% p, W: _6 u4 B# B! ^3 V
let note 0, {! X" |" [( ?$ N1 i& u- Q
while[ j < people]$ H7 w- u/ b X# `; u
[& K7 P+ s0 z/ B# }% M
if( length (item i
% M; t G1 ?( b1 @" D/ f8 t& j& H[trade-record-all] of customer) > 3 )
' D9 p7 [% y0 d- l* o- u[
# u+ \ ?3 Z* Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( U) S0 {0 d' t# s7 Q: W
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 j+ b% v) C& j( g6 ]/ j
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" T: i% y( S/ t) Z5 W+ O- r]
' ?/ s) `( U5 P+ }* b3 }9 L. n]6 i6 j2 @; M. h2 T( N$ x/ c0 ? S
set global-proportion note& N" G: A" g- x" ^
]
6 v [7 V! }/ zend4 @! E9 E1 A% Y0 G, @
8 `$ F8 `) k H3 F$ d9 e) U0 hto do-trade
! Y- Z- |- F! R5 k;;这个过程实际上是给双方作出评价的过程
3 ^# I) P1 o0 h( hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. s: n, |! k& p3 [: \7 X, O# ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 i7 O* r) K8 b0 c9 K1 P oset trade-record-current lput(timer) trade-record-current
G4 w& N5 z* X' Q& k$ \2 P! a( n;;评价时间# ~* }, d& m1 S$ N$ D3 n. o3 x
ask myself [' _4 A( @6 B" {# z' ^8 M& K& e
update-local-reputation
7 X& |, E# N5 r- o8 K2 E* ~set trade-record-current lput([local-reputation] of myself) trade-record-current
4 G- S" f% d# `% G8 s, C4 K& z]
3 ]/ c$ [9 p5 o8 U! m5 B; h" D; x$ yset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 _+ Y1 U1 ?- \7 ?;;将此次交易的记录加入到trade-record-one中4 U3 g2 U) a# e; ?' Q+ C7 u$ c4 @
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 l+ W8 Z3 g' |$ e5 j
let note (item 2 trade-record-current ) I# D/ |4 Z* C0 G& C0 r+ \
set trade-record-current
) i9 o; V/ d/ I9 f$ q: b' d5 z; W(replace-item 2 trade-record-current (item 3 trade-record-current))) k' Q# L! D2 p7 u4 s8 F5 d: e- g
set trade-record-current
, m. D! `7 Q$ y! P( J(replace-item 3 trade-record-current note)
, @ t3 P& w+ P, p! u+ }1 T6 ~! l
. Y& l2 k6 F2 Y) z3 d4 j* m6 ^8 {/ U: Q- t, e
ask customer [* R' F k! H6 _& M$ \/ d* X
update-local-reputation- d/ c8 K1 J8 m1 L8 N! v
set trade-record-current) V% e! O5 q% Z3 n) J, h$ ~6 @6 W
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - k6 x7 t: T. F$ U" g7 [
]' t8 x& V- h' j2 ^: r* ^
" v- O+ Y' d& Q6 b. ?3 _3 B
6 P% l# c O. w R
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 \6 ^9 P, U0 H: s, r( L0 ^1 h
9 O% |2 Q6 j# j7 |6 W8 Sset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
, r' t& A5 a& p0 A8 ];;将此次交易的记录加入到customer的trade-record-all中
% ^, ~$ u; S: `- eend
* E6 U* Q) m9 v) N1 G+ s w
0 z0 O7 W6 [1 n$ E8 _ D3 eto update-local-reputation
5 m$ r. z! H, B8 D" F- D: |5 w) Pset [trade-record-one-len] of myself length [trade-record-one] of myself6 s3 w" U- q |5 x. C. z
8 d. |5 t+ k4 m- w8 Z$ _" l, ~5 L5 M: E
;;if [trade-record-one-len] of myself > 3
1 }) e. T! _$ _: |6 R$ Hupdate-neighbor-total
+ i* p) O' ]- b8 D& p;;更新邻居节点的数目,在此进行) h) \+ ~4 i+ X' }3 I/ b2 ~
let i 3, }! `4 k) g& y* L
let sum-time 0
2 Z. B% Z) d9 i% x8 Cwhile[i < [trade-record-one-len] of myself]/ F* O7 R, r5 t1 F) f# E
[
* \4 E, w( y( i% x; jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% ?( h Y1 K5 ?set i
5 X( ]3 z: {: n+ w, I+ ]8 e8 Y/ N( i + 1)' `; S5 K0 q3 W8 h, Q" h. Z& x
]
* _7 w5 F9 c/ B" N$ J& V6 E# d8 D4 o) Glet j 3" k5 E! f8 P; I& W( s
let sum-money 0: q( L8 {0 K. e6 b+ e
while[j < [trade-record-one-len] of myself]
7 `# @# k' R: ~! j8 c7 D3 E) U, Y[
1 J. H; r5 P! nset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)1 ]4 ~+ A. x: ~ e$ G/ q i: c# o
set j* r+ \7 N# m' o+ Z+ E! P* g
( j + 1)( a. H4 M4 [* l8 m" J9 e
]
, L+ W" w( u! f3 l- J3 `8 v/ l) `. q; S0 }let k 3
$ A; K% |; |* E F. h4 `( u4 `4 t s3 o" klet power 0
# z6 F. N4 J& M L# Hlet local 0
+ F: j6 k) y4 s/ fwhile [k <[trade-record-one-len] of myself]
9 j. _" ?6 p* W/ b/ ~* i[
; C6 v, l' P. mset 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)
: K. S: D0 H. \3 x: {0 f( G/ Kset k (k + 1)! o% P6 r' ]: U& S$ }& ]
]
* g2 |( F5 u. R7 r i, T+ pset [local-reputation] of myself (local)
6 x2 ]9 h3 m$ e5 U* G0 rend U) R6 y" j3 g& T5 P8 v1 q% V% ?
$ X7 S- m- A1 d0 N% c: [* ]
to update-neighbor-total
) p8 C8 z3 r7 c8 k9 [
- O$ n' J1 V3 b( k2 l! R8 wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 p& p+ u* k( k1 k+ w. b1 M% [" t4 `6 U( @4 c3 s* L* ^0 i5 Q) N- O1 S0 [/ Y" v
' h" V% ]9 z1 a" t0 H* R
end
6 D+ ^! M2 J" l& M# `2 s2 S# h; l7 m3 v! K [; a/ ^) D
to update-credibility-ijl
' D( {7 ?3 h, Y0 \6 A* Q9 |- f+ l) r- U% N3 a# P- q) B
;;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。. H* i. V, L& ~$ Q3 t7 W
let l 0$ ^* j3 \7 R" u u
while[ l < people ]# X5 `! l+ L/ x1 |9 ? y& h0 P
;;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5 @. n- i+ c2 h0 J) V% j4 _4 k' f
[
& g/ Y* B0 j2 J4 Z& X5 mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 w$ ?' F, d }( ~1 W5 T
if (trade-record-one-j-l-len > 3)
" S1 E+ {$ N* A; v# z7 X[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
1 s+ q* d; v5 c. x; Hlet i 3
$ N- l5 z# c, k, \6 l* O3 k! d7 z7 jlet sum-time 0- i2 W& a3 M$ S; X
while[i < trade-record-one-len]
: S. b# D0 `8 Z- R/ T# y- h6 |[
t' w: H& a2 I/ z# ]set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ n) X( X0 K6 P7 ` {3 N
set i
; V, N: Y( z9 [5 b( i + 1)! {) b4 t* \8 |+ c8 U6 o
]; L. }- E* k: r- \! p: m% k
let credibility-i-j-l 0
6 h9 ]/ V* [% j% e% Y- W8 |- h;;i评价(j对jl的评价)* O" O8 Y: c Q( t/ {
let j 36 T0 e B2 {/ G
let k 4
8 ^, `* M+ n3 N1 \while[j < trade-record-one-len]
6 F8 [ W( {9 J% s[' P9 d5 H- V* E" `
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
4 I/ ], P+ ^, Y( uset 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)9 O) ]' I9 `" P/ u7 N" S/ T
set j
& C$ ^* n @ z8 U" F( j + 1)( `' l8 E/ i. x4 c, l7 [" \* z
]: L. p' N' t; N- v
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 )) ~7 L: x% d! {
+ J( D# s+ s9 }$ t4 x6 C, e# @" v, }! F8 H# b# b0 u+ D
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) C4 e7 w% F9 G6 K6 U( _/ C
;;及时更新i对l的评价质量的评价
& S! K9 F, T% n1 [' n8 J& Wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 Z* f( c& {# T4 M+ ` A& ]
set l (l + 1)0 X- h: y; b4 c+ P! _9 g8 t! n$ h
]* g' Q* Q. l& ~
end1 q" A$ h* L# F$ J0 [+ p
% Z) x( |* G8 O. [9 m/ M, Vto update-credibility-list7 C5 T6 n# j6 G/ C
let i 0
8 O7 l0 n* {5 Uwhile[i < people]
- X: M5 p# c* E6 i; m* {[
. d+ h. n9 u% Q3 j! W/ C8 nlet j 02 i! g) R) a2 v, ^; `* Q/ j+ c
let note 0$ }5 {/ n9 W J. h; A
let k 03 P. T; T* I+ ?
;;计作出过评价的邻居节点的数目
0 x/ s4 B9 V3 Cwhile[j < people]
' A, L4 P8 L: }3 d5 V( o9 r[4 a" U, ^ g' }
if (item j( [credibility] of turtle (i + 1)) != -1)
: I, s# t% k: w5 h;;判断是否给本turtle的评价质量做出过评价的节点) T$ u7 U9 ?: e" h9 U$ t( ]
[set note (note + item j ([credibility]of turtle (i + 1)))2 X3 ^7 T' x2 f' L% Q$ Z- t
;;*(exp (-(people - 2)))/(people - 2))]
1 P$ X* I4 n/ Q9 {' z4 c* \set k (k + 1)7 m3 H& ~( D+ L- I2 A. H
]" r1 Y% s# b& _- r5 a
set j (j + 1)5 r* S0 U k5 m5 p
]8 f# O$ p8 |. p8 b5 i
set note (note *(exp (- (1 / k)))/ k)1 d" ]6 F3 @4 D9 [
set credibility-list (replace-item i credibility-list note)
: W$ ]' o7 m+ l/ Lset i (i + 1)( ^- w8 c. ~' c9 ]! j1 A3 `, T' G
]6 n5 c$ I% }" L- j7 T7 v* u& R# I
end* T. M6 r0 O+ q! N( b: a+ @/ L1 a$ j% Q
7 n/ I, U, z2 G2 N& {) u; [+ ~) W2 M
to update-global-reputation-list
6 a8 j" s9 l( U3 L ]5 Zlet j 04 f u7 R. t1 B9 {
while[j < people]$ O& N6 K- k( ^6 |! p
[
/ S0 a" V. C8 |* l+ wlet new 0
4 u7 e( B: a8 v' i' f6 h;;暂存新的一个全局声誉
# y5 ^# w- W+ J& Glet i 0
) E' S& a% p( d" `let sum-money 0
$ l+ s2 c2 I6 {+ }" [4 D3 v- P1 Mlet credibility-money 0% R% y) r4 d2 d* ~/ i
while [i < people]
8 M" L- g* M B$ k1 E% q$ H# u1 m2 B[
. u2 w9 N* x6 ^2 V* |+ Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 W/ b3 W* t* e ^5 X: Jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) q& T( Y, E! uset i (i + 1)
9 I- [5 p4 d" j. K7 G! D]# T% @, d; Y, ^/ g( d
let k 0
" p' ?- x7 X. rlet new1 01 ~* k2 B/ n1 ]. l% ]' b6 c5 K
while [k < people]
- J2 q0 T8 U% L. H% O1 K' c" [[# C; `1 j$ w; y
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)$ L" H6 b, @1 U6 H8 n
set k (k + 1)) }/ I2 ?& ^9 w7 W3 Q/ K2 S4 Q# r
]
- R9 y5 R& k. {* Y7 h% @# |% |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; J z; w9 I7 M: n3 J+ Pset global-reputation-list (replace-item j global-reputation-list new)
: ~1 S8 V! u d+ |% Yset j (j + 1)1 J. o i% o1 n$ x& h
]4 e) z9 Y+ b( P& z
end
\. ?* P) x2 C/ ]+ s! o* g7 `/ u; a$ |% Y& ?* i; P" }5 L! H' v
% L: `* J( B5 V& Q2 V
! R- R1 Q) C* V6 G* {1 |
to get-color) p7 k1 D7 l& [* _/ _
" F V" H% A @; V+ yset color blue
# O' ~5 u E$ _7 l; H& b! I2 S7 yend
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5 W$ Z2 M8 g& T. w' kto poll-class
# m0 {, i' r/ N! O3 _end
( `7 r2 l f. t4 p
& e, [# v- M8 B! |1 dto setup-plot1
8 L1 u1 v/ [. ^8 O' ~
8 B; h D+ G7 o$ K& Z3 }set-current-plot "Trends-of-Local-reputation"
9 Y9 B/ P) N7 x( X/ N6 P/ f/ C6 ?
set-plot-x-range 0 xmax
N5 H' y7 h# V2 W
% K' y: ^" W; _' fset-plot-y-range 0.0 ymax+ T, X( h3 q7 Z. d' _" ?
end
/ h* A+ P# u7 P: p. r" c9 w" Q8 a+ o* ^# Z4 o% e" |* ~7 }
to setup-plot2$ H9 ?! f$ H' P2 I
! m f/ ^2 m2 I* C$ s- s0 pset-current-plot "Trends-of-global-reputation"1 X1 G" U4 I7 ^/ P6 C
: `) X8 v# W: U
set-plot-x-range 0 xmax+ b$ m6 c; ^/ a8 l( y1 K
& i0 c0 }+ Z, C: aset-plot-y-range 0.0 ymax; i( L1 Q/ d3 T4 O0 x* p
end
, \7 K2 x3 q- }! i( J5 C
# p; q8 F" e, P+ B8 }, dto setup-plot3
1 P6 J' t6 P& L5 z
* C- o. O. Q% O& Kset-current-plot "Trends-of-credibility"
- V, w ~- N! n
- k" H. k. x$ s4 v# N8 Nset-plot-x-range 0 xmax: i8 P* `: k. X& v
' ]& F! P8 `2 r0 Yset-plot-y-range 0.0 ymax* L4 K7 |! Z. {* ^, m
end
# ^3 R( u; J; ?8 v9 W* \# h' d
4 i* j+ d4 t+ M! S& R' Oto do-plots% X! I) Y4 @2 x i% r* j
set-current-plot "Trends-of-Local-reputation"
( V! \ D$ t* `: z* `! Y3 oset-current-plot-pen "Honest service"
; ~' [6 x, }- O; c$ G+ Xend5 t! x. ?' X# r: g9 ^; S- p
, i7 @6 a. R+ e4 I B[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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