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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
5 f$ `) H& @ t" n" ]globals[' `5 ~3 @6 M1 u6 q$ t8 m/ I
xmax- p J* d+ s6 ?
ymax O( z- @! Z5 R* Z0 t5 q i' Z* `3 a
global-reputation-list
+ i: A) q5 a/ f+ I6 Z
8 f! J* S) m% x J) f* b;;每一个turtle的全局声誉都存在此LIST中& Y9 I# p& M* V5 r$ \
credibility-list$ `! |' x9 n* ^! P9 L% _- l
;;每一个turtle的评价可信度
6 m# Z5 z+ B1 C' ]2 t5 B3 Nhonest-service4 J/ C n0 K% Y$ B/ X4 t
unhonest-service
3 \0 F( M g' f s8 Eoscillation* ~' N( p" s+ J/ q# A" z6 S
rand-dynamic$ ? [* D% G# a9 t& c% _7 h1 A, L
]
3 P# `& c- L5 B: D
+ r* W* {& k5 L8 g: m' Nturtles-own[; R! n2 @, w4 y) |/ f
trade-record-all+ W+ ]+ \6 C- b; W0 M7 P6 ?
;;a list of lists,由trade-record-one组成
( s! k' j, e" Y+ {- ~6 Otrade-record-one1 G) b$ Q. a: y u% D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: ~$ G; a/ C# {7 o
8 e; @- o# P' O1 p1 ]" v t
;;[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]]1 e2 {! i2 `; a _$ A7 X
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]$ e0 ?; \" \( {2 @; ~0 S
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
# R6 Y9 b5 X( g; Mneighbor-total9 i# x9 w* R* b( \
;;记录该turtle的邻居节点的数目
' v: U) K# O: D: B J; |trade-time
- j# u2 A8 `& T& L# X/ ^;;当前发生交易的turtle的交易时间
5 E; @; u% }6 Q" K. `appraise-give
4 R+ }% C6 L1 ^" {+ c;;当前发生交易时给出的评价
5 S) E9 T6 Z& a8 s3 a! ` T( n/ |appraise-receive. n/ C0 g$ F$ |; i+ `
;;当前发生交易时收到的评价1 U- x6 m- _. C; A5 l! M
appraise-time* n% t2 a+ ^, l
;;当前发生交易时的评价时间
& l' O( q2 S+ g x/ l M4 Zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 S+ I% D, V% d3 ?0 @4 H# D$ g! C8 qtrade-times-total" w% J; @3 y9 g! {! W3 p# @
;;与当前turtle的交易总次数 ^& p( o; J5 N0 \( F5 ]3 x
trade-money-total
: a& `- @" v) e- H& L;;与当前turtle的交易总金额
# P) r' c, Z, N/ vlocal-reputation# `1 {+ x' B9 b" ]
global-reputation
, y p% H5 n" qcredibility) J5 |: q* U) G, K6 @6 |
;;评价可信度,每次交易后都需要更新; w! O+ j, A4 u- o
credibility-all! d& A" k# _2 z7 W
;;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; F& i9 s0 y+ y* t& r% l
3 u5 k& z5 u; e) f7 F) ]& V V: 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" P- s t j; I& M) h
credibility-one
( q- s+ i5 ]7 n* R& J;;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
" }$ o8 K9 f# T- r# W' Dglobal-proportion
: n; N! J& B$ s/ {customer" H! j4 @* h: a S$ y8 q
customer-no+ G9 F- D; h: v* u# X
trust-ok
7 e2 {1 j! U5 p/ |0 atrade-record-one-len;;trade-record-one的长度$ w: W% S- I/ X5 h7 H
]- @' B9 t& X# i* d/ f; \
# s# g+ \' f4 |4 t9 \* w* Q
;;setup procedure
`- p. {' T4 R8 ~* M* k$ C( U/ j! C( {6 ~5 B5 e
to setup
, ^1 ?, E1 X7 \0 f0 M; Q1 x5 O' }
ca
; {+ b0 ?5 m, O2 _
: v& F+ r$ h5 R2 Cinitialize-settings2 B8 _$ ?+ I' G; x9 Q v
) X; K% I; Z9 f `( D V$ G/ F
crt people [setup-turtles]
+ ~, d7 P( O1 @$ j2 j( H, f" W
7 ]; q9 H! `2 H# _5 x7 f3 sreset-timer
' i5 I" @! v) W7 x' f1 n7 J \4 ?3 z& G& B0 L A, ?( J
poll-class
8 K( ^" p& O$ Y' C- J% Y
3 T7 ~4 _/ \, h0 x6 Rsetup-plots, U# l2 u/ ?6 b" Y2 H; l- p, v
7 {" M! E: b$ t5 k# R
do-plots
, b) L8 U0 }( e2 r+ O1 e' fend
7 b( x5 V4 x6 w( _/ L4 `
# s9 ]6 C( z# u3 Gto initialize-settings
5 t' C1 ]0 [; N* e$ a% n
T- Q& {) }4 m. O- P( dset global-reputation-list []3 X0 _' d. F* Q& ^9 s( K4 b
0 s! d8 Y, A; w. b
set credibility-list n-values people [0.5]1 a4 z) M1 G: T; v' W8 ^+ F# j( `
6 d8 T$ u" {% ?7 Aset honest-service 0: M# ~( h" C) W1 Y
% D! _7 L% N l. R7 A# e! r; }
set unhonest-service 0
6 R6 w7 Q. n+ a: l+ A
) J" o2 ^! c& R( x- _/ l2 h' iset oscillation 0
/ |' R% T* P& X7 F5 V' \' c: H
2 J: b( w, S6 y1 v; I8 T) C& wset rand-dynamic 0/ _& |+ w9 a+ v, C
end5 o; |/ R' D- W
6 q% z$ k- {( g& g" E. o. \8 j$ X' A$ Ato setup-turtles
3 Q" T k% i: h5 Q8 U! kset shape "person"
6 i# S# |4 z2 t4 I. l8 Vsetxy random-xcor random-ycor+ t( F! Z: J' z' e E& H
set trade-record-one []
- U3 Q1 P' l' n% w; R; a$ v
; ~8 P; m* A- \" N U2 |set trade-record-all n-values people [(list (? + 1) 0 0)] : V$ ?7 M' V5 ]7 {
6 `; h. j: J1 x5 }
set trade-record-current []
& }. C# j- t/ Q0 N; F0 J3 xset credibility-receive []
4 Z4 a' d* l: ], Nset local-reputation 0.5 q/ a$ N3 T" X( i9 Y" P
set neighbor-total 0
8 s0 v7 k0 a4 g0 O" }! f5 vset trade-times-total 0! U2 W2 |0 T& |% r1 O" K
set trade-money-total 0+ ]! m. {5 }3 [
set customer nobody
4 H8 R* X% S& w- @0 \3 Oset credibility-all n-values people [creat-credibility]
" n: ]+ J9 V7 k. \+ Qset credibility n-values people [-1]2 }3 Q' U- _2 r1 F$ L0 k2 w
get-color' H$ |! Z U. G/ R+ P/ Z
* F* J) [7 C6 F6 ?! K
end
& H; Z& {, N6 g# t" @' B+ o1 H# J6 {/ y
7 Q1 ^# ^/ @. Xto-report creat-credibility9 d$ a" [$ G% s+ l( i
report n-values people [0.5]
, X" u0 o& A# _) `end S+ A V/ k2 y7 z- i3 b w K
( N" j% ]; ]1 S1 ]( \to setup-plots- s6 p9 H* Q3 r5 ^
* L) y; N3 I; u" J6 Y2 Qset xmax 307 B4 t+ j& O7 l' R3 w' Q3 k
9 ]3 l+ d" r, @- h0 N( y4 z# O8 Pset ymax 1.0
0 ?! l6 g- L" E7 y' F3 g, U1 B# B7 ]5 V! e& e Q1 h
clear-all-plots
: z+ t* u* N+ M( W! U/ Y% B: ]8 R
O5 O3 q' s; |, Y0 I* r1 Osetup-plot1
w) D. G! w- C& V- Q/ M
5 b5 d" ?: l. F- N0 Z- k. {4 _2 Csetup-plot2
5 F; V5 f4 @3 Z/ {
2 E3 u2 }$ _5 e3 [, ^0 \' e2 b K. }setup-plot3
6 N% d: E3 ?' f$ S' Hend$ g: o, @' }7 j4 h
7 W4 h9 _1 r- r9 G
;;run time procedures H+ B0 Z) ~( K9 }5 d1 B9 y# H
- O! r8 ~5 ]1 f+ q$ r; dto go
$ F! I8 ~5 J! p, t. P, @8 J6 L# W% h: ^4 J5 B+ W
ask turtles [do-business]
6 s$ e) i: ~4 @: v% Rend
4 _" O. }) v) W6 j( g$ N2 K, o9 A( s3 n) I
to do-business + @; o" @( r$ W ?0 R4 @2 Q
+ T: H4 M: c1 F4 c* p0 }; Z, C8 ~; h ]! T% O
rt random 360
& m$ k7 ]& J# c+ V" c- A% l
2 P4 X+ q* I! ?9 w' ifd 1, @8 d" ~2 V8 }
" L1 h u+ ~, R1 i; s0 [
ifelse(other turtles-here != nobody)[
: K7 X2 A. Z' ~5 G% j7 U# S' G$ m9 _7 T _& E. g3 Y5 `; a
set customer one-of other turtles-here
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;; set [customer] of customer myself
" v5 l1 O2 a% {: ]
! L d3 L) u( Q6 c+ t# n/ gset [trade-record-one] of self item (([who] of customer) - 1)
# J. A: }. }, p, U[trade-record-all]of self& F; y9 e( J! z; r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self6 f& t; H0 j. P; R9 Y6 d
! E" s* s8 X/ d+ C0 _2 Q9 _7 {" T
set [trade-record-one] of customer item (([who] of self) - 1)3 {- q) K. d/ a5 l/ M2 d3 t
[trade-record-all]of customer
3 J, e0 `3 ~( @5 A5 }
- U1 M5 e p# P% Tset [trade-record-one-len] of self length [trade-record-one] of self1 X+ j$ _2 t0 j N- ^; \) }( O
1 z f$ ^; }. H! l6 f& T" M
set trade-record-current( list (timer) (random money-upper-limit))
) k7 l% k* ?# F- g8 F) m3 @9 t8 h( Z- Q' N) ?: e% E2 L, Q2 N
ask self [do-trust]0 e5 U1 q9 ]% {4 M% @& W' X# ?
;;先求i对j的信任度
, p4 Q2 K4 f: s; P
* Z9 l% Y( i( v& b) c" wif ([trust-ok] of self)
0 _$ G- M; {/ a/ p2 q;;根据i对j的信任度来决定是否与j进行交易[2 X4 W, x- g! w4 g3 O
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 t9 a- {0 y+ Q( |
! W# e$ s! t8 e
[- y7 P- X9 ?) }# A2 u7 r3 T
) L/ W7 `& k, \, r' {' |do-trade
+ \. g9 _# ~0 c- o" k6 k- O( f" H y0 e% r( R) y
update-credibility-ijl) I8 z Z* w. \4 c3 c* H6 B4 b/ A& j
6 H- e Y' D; w" R
update-credibility-list
$ i# C9 e# q: z% N- U- ^2 q$ y
% F, o4 Y0 _% |+ o
' j. T# y( ~' q9 b+ m% l% Yupdate-global-reputation-list" f: i7 C2 _9 x3 w0 B. ]
1 l1 o* m5 j4 n }) p
poll-class
' o M* x+ n" S q7 j+ _; }5 p$ p- u
' g: {# q* ~( |$ ]" Kget-color
m# M( s% K7 k7 `0 _
" }% Q/ e. S6 \, @( \6 Y]]
/ M. Y3 [6 L H9 I3 n
1 D+ k3 F# T; X; w;;如果所得的信任度满足条件,则进行交易' A8 ^( g3 S, V) u
( a7 j* ^6 M% u" ^/ h9 k[
, z; t9 q" w1 E/ l( V6 t
9 S' m9 y ?$ Trt random 360
V4 l' g" {0 z7 P* K. y3 `; U8 L7 P7 u6 Q# P
fd 1
+ P, M1 J, o. \( N5 h1 L$ X' v5 e2 ~, j
]
% t' N; k0 a, V# Q) M { F- J4 q4 {
end
$ t1 Y1 y8 h# u+ r. M% {/ k' Q7 J; I5 ` b
to do-trust
# \! A. B9 |2 m+ a; w) Sset trust-ok False/ x- T: D* \, b( I$ _* Q
6 o; d- `( [- d0 W' E) m# C
/ V9 P% H9 z$ D( D9 X+ _1 l, E, Vlet max-trade-times 01 q, A4 n$ ]1 ?; s; z* A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- B+ {& M+ Q0 O ^5 H" `# `
let max-trade-money 0
; V0 M1 s# U5 |foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. p$ |/ N4 z4 k% ]# elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 {5 p m) c n% q4 w; h
$ V# s' w3 @0 h( X) }
$ i; H7 [& w' l" m* {' W) [' a; ~3 g& fget-global-proportion$ E- U' n# v$ L( O
let trust-value
* `# f7 F. P8 _2 B& @) i/ _( Ulocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
1 H- z, \0 ]; r( qif(trust-value > trade-trust-value)1 G8 Q# ^% }0 b
[set trust-ok true]
" Z6 {9 c6 J% H! Hend
, F/ \! W' s u8 [ d8 Z/ B; q! p
to get-global-proportion& S5 J& {/ d6 D0 i+ S
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: B- Z" m) p. o% l; F5 Y[set global-proportion 0]
5 E" @& }9 I2 X: f4 g4 Z' q[let i 0# N2 w8 k8 K; N- h
let sum-money 0# ]: `8 }- @4 V% t5 k& E
while[ i < people]
|* r6 m$ P0 N n" P4 c* h[
( v4 q( T3 N( c! L( ?' Rif( length (item i
& x9 u: F* w* U8 k1 l2 ~3 y[trade-record-all] of customer) > 3 )
/ Z b) t1 S( G9 W[9 V1 n( D0 t. I3 z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ N0 Z5 m5 S$ E& g
]
+ h! A& l3 M1 A]- z# V, s" x, |9 F2 h- P6 C
let j 0" C0 ~$ S: `: V4 W e3 ^
let note 0& D7 G+ K7 ?8 Q4 _- g5 @6 o( l
while[ j < people]1 j8 U) z2 }$ ^7 q1 ~2 p
[
# J X0 P. x( z, \+ Y2 [if( length (item i) i2 p( f# ~7 h# J4 }3 F7 o# r, K9 Z
[trade-record-all] of customer) > 3 )* R# ~* K& m/ z5 m* t
[
; f/ R. V' c4 s. j$ Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 h3 m$ P: e$ p- i4 Z, \! x k' r[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ W7 D" H% T3 C0 V[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ c f# y2 Z( |4 N" ]]- I9 H' G! C, y: ^; \/ i: {6 X
]
1 I+ B; | o) ?. L& Tset global-proportion note9 x9 ~6 T4 Y! T
]5 |7 t0 C5 ~2 P+ l1 c2 d- g
end) \( V; [; M, B4 p, U
1 I9 E; A* L! l; |* jto do-trade
: B' ?4 }$ f1 b' ?+ s;;这个过程实际上是给双方作出评价的过程
3 G, K. t) ?% ]* |( f/ [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 w. ?+ s' N2 R2 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 f% \5 k- v3 {' z7 n9 g5 _, G8 V
set trade-record-current lput(timer) trade-record-current5 U$ {. [0 c% N/ q
;;评价时间
* L$ G% X1 ^# d, P- g: T3 s% L! Hask myself [* ]4 H. w8 I4 ?2 X. x
update-local-reputation
1 i/ |' v4 D- j# A9 l# p; Z. ]$ rset trade-record-current lput([local-reputation] of myself) trade-record-current
) H1 u6 T) N! E5 N* g]
& ~+ S) \' ?2 k+ b& Vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself- J+ y! ?7 v& X
;;将此次交易的记录加入到trade-record-one中
- {9 a& I+ y& m4 K* zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
; m$ ~, Z/ @- Jlet note (item 2 trade-record-current )% r9 ?. ^3 [ L0 D1 C. R
set trade-record-current9 q! t' h6 m: m2 e, W+ S# P6 C
(replace-item 2 trade-record-current (item 3 trade-record-current))
: |* j- Y" @) @) C! t- c( }set trade-record-current" \7 L6 O1 U9 b: {6 N8 i% i/ H
(replace-item 3 trade-record-current note)6 x& c7 F8 k6 H5 ]
/ u& K8 T2 Z9 M a5 k! n
! |; c: [9 j( l# K3 E+ Nask customer [
& ~' c% B. s4 v4 a1 mupdate-local-reputation+ Z% G# K9 M; l8 @% V3 x
set trade-record-current
' e/ D6 { A% \2 T1 ~# L; p(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. h$ H8 B6 z" M$ H, H# @! I4 D2 V]
7 ^/ I. R; G% z
. H9 |( h$ B* ?3 {2 `) d$ T$ s
m9 M I& f% F- c: Dset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
# P0 y6 X8 ?! A( _3 X. M9 \' S3 E: V3 J* [
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 M8 U* Z# n7 A0 W5 I4 Z
;;将此次交易的记录加入到customer的trade-record-all中& b% x+ ~ r2 z+ o' x: w
end
5 I6 c3 C0 s8 R6 i9 E) d
/ C* h( a: Y$ p. c7 Z( ito update-local-reputation
# }4 H) D) j% Q2 h3 ^set [trade-record-one-len] of myself length [trade-record-one] of myself% R& [; O! u, i- k1 z" R+ c
+ k! p/ V2 W$ O+ |
Z; f# L) k. };;if [trade-record-one-len] of myself > 3 - q; `! _1 ?% w( z9 f
update-neighbor-total
' d: {9 _& r1 _/ N E) i8 \( _;;更新邻居节点的数目,在此进行. w/ |. o, g, ?* I$ `+ P0 Q
let i 3/ v3 J6 }- w. T0 z
let sum-time 0
; I# _* q5 J- Dwhile[i < [trade-record-one-len] of myself]8 P! e+ h$ [, P
[
$ B3 g8 L1 r1 w2 _* rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 |% ?: ~0 ^* a- J! ]
set i
0 ~- | Q P( H% n( i + 1)$ u2 N/ w& e. A z
]$ Y! H) Z8 F2 p- ]
let j 3
: @9 @, j" r2 j# z. Zlet sum-money 00 ~) l5 p9 n% V$ j" R% R
while[j < [trade-record-one-len] of myself]. g5 J7 h2 }1 P! a; V
[3 f' U, I0 S+ {0 V7 x
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)
2 P. E5 l3 U( `, c* K1 `2 ~, ?set j
8 ^& D; ~8 @% r4 ~- G( j + 1)% c# w( V$ X8 I" Y
]; `5 S6 N( B2 k
let k 3
: g5 w3 P7 |; b9 j3 [4 vlet power 0, c, E7 U. j6 s6 E
let local 0% Q! {( M: Y: L
while [k <[trade-record-one-len] of myself]
& r e7 m6 v8 K& L[
% \9 L1 t) _5 u$ k4 C6 Aset 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) * ]# D8 }# ^' q/ Y
set k (k + 1): A6 y, W; N) J" ?; o
]
' n4 y6 s* S: v; M/ x0 r6 U8 ?set [local-reputation] of myself (local)
; x6 ]& h! Y a, b: N' Y$ zend
$ o" j! O( |- u5 E$ ~* j: g3 `6 E1 U5 c2 a
to update-neighbor-total( M+ [3 {9 [" B4 Z$ f
8 W7 h. A5 K8 `+ e
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] a6 R& w: v2 P) [
% B7 R/ t' ]* {( v
. L2 R7 G; R; q0 S8 ]4 rend' c) T, b6 _, m# t% z
; I, {3 N: X: h" ?: u7 B8 ~to update-credibility-ijl
8 T% Q: @8 x% H6 j: l
% }: n+ n- v5 s0 E& G, |- Z! T% P;;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。
* @. v& l9 U) flet l 0& Y% ]* Q! }6 C7 z) x, F/ x
while[ l < people ]) A; n$ S3 d) _. V. }/ ?
;;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# N: T+ G* M! u: r# c4 `7 V/ G
[0 n$ d$ b' ~9 X% u& P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)3 V& ]' O) o4 L: u; H( E
if (trade-record-one-j-l-len > 3) C2 r7 p' a7 n) s' R
[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 M5 v' t3 V2 K; ylet i 3
! Z3 n m7 e u* ~ R9 glet sum-time 0
5 u) f# c3 a& | B* |' I" L% lwhile[i < trade-record-one-len] U5 ~) J) Q# N/ V' ?3 H
[
3 |5 U2 i) {8 y7 J" m Gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) q- u; X) `0 c1 Y0 @
set i* R% K3 G( w6 f! E& J' q- `
( i + 1)9 {3 a3 n4 K5 E. X( F. \
]
3 u {" O$ B: e. W$ X2 Tlet credibility-i-j-l 02 G5 @, u, J0 C) A u! ~
;;i评价(j对jl的评价)
; S" x: n6 H. L5 Mlet j 3
* m5 H! d0 \! Q$ Elet k 4
6 V/ k6 j1 I8 U6 r! n6 ]while[j < trade-record-one-len] |) _$ x9 W" i8 @* ^, [/ e' w) M
[
; X$ t* F4 L$ ~6 Ewhile [((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
. |2 u1 Z, g; z2 f2 [# c8 @, ?' wset 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)
# E# _# C6 \1 B3 b% k# vset j$ n9 c* i& q$ q3 {6 s" E# I; i+ W0 n
( j + 1)( |: u- t: ^8 ]( [
]
* W$ \1 m0 l3 e& V% bset [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 ))
' a& G- t- e/ o4 O0 a ^0 ]
( d4 G# y g& o0 c4 m: O3 u% B8 J; b4 T& h( ]
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# b* I: @' \/ P8 X( _& O
;;及时更新i对l的评价质量的评价8 _0 i# F- l3 v# H! \3 T
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. {6 M& d5 u& e# e& M% v7 A
set l (l + 1)# A6 O' b/ [, t% F- X. ]. U
]7 Y0 C& g9 r% F
end0 d% Y* }5 R9 r1 J0 H q8 f
. W% _$ _$ B! i6 w& Z" x9 U: ~
to update-credibility-list
. a3 ~: C) W3 n5 Ulet i 0- |3 e# c" y1 D- P
while[i < people]
/ p* B& ^+ W! T. w0 L[' I$ ?% z6 J P/ g- d. K
let j 0
# s$ u$ |+ N3 [' @' i7 blet note 0
8 ~ N7 A2 c+ g" P+ w0 l7 W% P$ P( @let k 06 e4 l$ P) e! A, x
;;计作出过评价的邻居节点的数目3 _- J. `* ~8 u* i
while[j < people]) g6 `: } a L
[
- A& s8 e P+ ]if (item j( [credibility] of turtle (i + 1)) != -1)
) G( a( F' A0 h;;判断是否给本turtle的评价质量做出过评价的节点1 n- V5 I2 J' k) w4 B4 L
[set note (note + item j ([credibility]of turtle (i + 1)))
/ M( u6 w1 u( c( m6 r* a9 B1 b+ y;;*(exp (-(people - 2)))/(people - 2))]" L6 I- n9 {' r. G9 N* C! X
set k (k + 1)
" b" R$ F* {: o% q, u. P]
. s S2 l$ v$ aset j (j + 1)
. M9 c. y# B. ~]
+ q7 O* ]# P4 h q3 o! H; Sset note (note *(exp (- (1 / k)))/ k)
6 n3 ?) Q: Y- J! p! tset credibility-list (replace-item i credibility-list note)
. L9 _0 @7 t! b7 W ^- c( dset i (i + 1)
7 K7 _2 \0 _. S, V1 v" w* ~]
R [, G7 }( {0 x. jend) M. ?$ y1 ~+ _# F8 {6 _0 P
6 a6 p* q" F2 `+ N
to update-global-reputation-list
" `1 o4 s, r9 R5 V5 Q# J, J$ tlet j 0
2 S4 j* v. t) r" Qwhile[j < people]$ l4 w E. @0 H, M6 E
[5 @! }# d8 O/ r1 ]8 Q' Z* f
let new 0( d* Y& F2 @/ X/ Z) ^
;;暂存新的一个全局声誉; i! ]8 i/ T4 ?" G
let i 0
' w. T: f( a- B3 q5 Ilet sum-money 0
( S3 f& P: J6 F% m$ \6 {let credibility-money 0
' v* r; |2 ?; Bwhile [i < people]
* H( d' ^. j+ }4 m1 N, D3 t9 r[/ i; w0 i" M0 @4 P2 K/ g: U; O
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; i& W3 m6 ?) i! Vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 M; t: F7 n0 Uset i (i + 1)
& [! B5 o7 [! X2 _4 ^0 Q]
+ {. s3 J6 U$ @( E4 x( {% @let k 0
1 U6 w' M9 Q6 vlet new1 0
9 h7 g( S E) t- [4 S7 \while [k < people]3 o% d/ Y' k. ?* u
[
5 ?) x+ u* M3 l6 Aset 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)5 M2 T: |- X% M O- V
set k (k + 1)9 o- j1 M, B n X% N) A0 c
]' p4 w h( h) E
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 D- K6 a( U, |: {set global-reputation-list (replace-item j global-reputation-list new). x6 q" _+ v! a$ G: M. j9 Y. V
set j (j + 1)+ i+ A0 V5 @# K' T* I* C6 S. M* o
]
% K q/ T: s0 A7 ?1 }9 _end7 X! Z2 R4 E: e6 |$ {
; n2 K) A; K1 S+ K+ X# q2 X& o4 A: T' Z3 |! W3 y+ d
) }0 V- C! C6 R3 k' P. C
to get-color
2 p/ ]5 l: E9 q# L c9 v. n/ `2 J4 l" a& j+ x6 E- W
set color blue
2 y. U8 |+ j/ x# B3 c: jend
( c8 U$ h, j& ^) f/ `% Z' V' y$ x( \7 R6 i& [
to poll-class+ s$ U( E. t1 H$ \6 ?: F
end5 m# |6 R9 V# h! v" x* w9 `+ k
+ z' I) i) i/ Rto setup-plot1% E; P) Q* W$ g5 L1 W! @
# A( J# f& s0 mset-current-plot "Trends-of-Local-reputation"
! d% k& T2 ~ ~, q! o; R z8 e; Q/ Z
set-plot-x-range 0 xmax; q' D. p( n' V2 C" r0 s1 S
8 l, g* E8 G# F! p9 G/ Lset-plot-y-range 0.0 ymax3 y+ M9 l, w0 _% ?; Q
end
! S0 c9 Q9 ~) l1 c/ n! ^* N0 `2 l. h3 g. j& F
to setup-plot2
* _: V' i$ i3 m+ X$ R) V% L3 _8 c, k( N( s0 g% U5 y+ U4 C
set-current-plot "Trends-of-global-reputation"! [ k) G. @, i7 e, L" Z
( y, z5 @: N: |- Lset-plot-x-range 0 xmax0 x/ s: m+ w' b8 l7 j
: ~8 H n4 p. G3 s* U
set-plot-y-range 0.0 ymax
" G% `2 q* k! c' B$ aend! d. z |8 W" \/ V* Z* ~
: Y+ p y G0 x, W" v# L
to setup-plot3
3 B3 Y( H! k7 l- z# H" V5 H7 T! n7 D% n1 A$ u# L' Q2 D
set-current-plot "Trends-of-credibility"
+ k; p/ e5 C$ F' F4 y0 H$ a3 C$ D: \$ p, w
set-plot-x-range 0 xmax
* `& O) Z- ^* X2 q+ V9 x4 M* {, T4 R, n) `
set-plot-y-range 0.0 ymax
+ p$ ~/ q: w% [0 g* hend
( J6 _, F0 ^6 B; R9 P/ o6 g% B- C' L+ D& R3 u5 ^
to do-plots
+ \+ Z/ h- M* T% G5 k, Zset-current-plot "Trends-of-Local-reputation"
8 z) V. X2 _. R& ~/ Y2 l" o: fset-current-plot-pen "Honest service") [0 ~/ q! [' h0 x" ` z; {
end4 p) b+ c2 k! N# X3 I/ R
0 n$ k/ _4 Q8 j S G
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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