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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
* ?9 Z0 Z9 U& y2 lglobals[
' c: u% T W& D7 T9 c" Z( |xmax
3 t) g3 I% [( c+ T& m! Vymax) \" u4 m. U( ]8 M0 o! f. \
global-reputation-list
6 D: q& x( C! V. a; V. R) k! ~6 |6 m1 Y9 X
;;每一个turtle的全局声誉都存在此LIST中) c% q {$ r' ~- B' c. Z Z9 }
credibility-list6 j' s2 V( N. ]' e
;;每一个turtle的评价可信度" ^; b8 D8 v2 C* D& m
honest-service' a8 H$ e, I% R) W* X
unhonest-service) F1 \& @) E, |/ n
oscillation" I1 A5 l5 U9 j; w
rand-dynamic5 c2 E: p3 ~( J
]2 R2 ^, z+ ]# M/ Q t
- e$ A% M( q! p- e4 N& b3 U
turtles-own[
) f+ ?# d2 B; t* Y6 Ytrade-record-all' d! [& @/ s9 l2 g
;;a list of lists,由trade-record-one组成
4 a3 M/ L$ S; {5 B3 t5 A3 `trade-record-one* U# K3 z5 s: q: P! o) w% 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+ A9 k% t* c& b- L! [! B* f8 ]
( p: y2 X+ ?4 d% |% U+ `- B;;[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]]" ^* H* ^0 ~1 R* h, P% U
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]
+ ]; ~8 A# W% ?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# {, D g" J1 K+ H. j
neighbor-total
$ W" T$ X, m1 H! w;;记录该turtle的邻居节点的数目! s; u/ t2 i; ]! Z' i
trade-time
) J$ R6 l9 ?# }& U. A+ |;;当前发生交易的turtle的交易时间
1 q( `! \! H% T& P0 {: b+ R! Nappraise-give
- { K& l% x- U7 t+ d) b( x2 ];;当前发生交易时给出的评价- C- h" E8 J: g2 g- [- F8 T' l
appraise-receive
6 i" U. I" X. {;;当前发生交易时收到的评价
, D( n1 S/ T1 G- c' j: |+ [& Sappraise-time
8 H" @/ O( J) K5 Q4 n9 V( i;;当前发生交易时的评价时间& `/ o. Z# G! x" N5 o* Z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
: G/ L% d0 P8 |# I/ ?trade-times-total! Z: j9 s7 A! R# S1 }
;;与当前turtle的交易总次数
0 a, W2 y* ` [# q) Ntrade-money-total% _1 `0 e* ?, k
;;与当前turtle的交易总金额
! _% y. O7 ?1 v4 { i/ t7 \% d2 Vlocal-reputation
3 T/ O$ X Y8 v- D: o3 l$ a% ?global-reputation
- i) k. ~$ n" [7 f& `/ tcredibility
$ S! b6 z- I: S" i* g( p8 y;;评价可信度,每次交易后都需要更新
( I1 x( M" W! ^- s ucredibility-all3 a$ x" W1 n4 b# ?. y2 q
;;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( ]7 O& x. |# H' o6 r6 Y
& {$ {1 A% Z: c6 r$ 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
`0 ]2 S7 g7 N4 Wcredibility-one
8 \& q" g, |/ Z* e+ S;;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' R# o" r6 f! A7 w* v
global-proportion2 _4 a! A( n$ n: a% q
customer
; w) E ~- g. k$ @$ _. N- @% i( ]customer-no
' Q* u; r& ~8 m6 l* ?6 g( b9 _trust-ok
) V* P- F- R6 n+ xtrade-record-one-len;;trade-record-one的长度
; X. x- g) {; j, c, c]+ m9 }6 l1 J4 E6 z# ]
4 b/ `$ O% Z+ f8 G& V" {, x
;;setup procedure
* V/ g- Y" l( _1 N9 X
5 `! V- a- j. D" D! U" `$ D" ]to setup
& X' W1 O+ \: `; y2 T% e7 g* {
: x; \' D# A7 s* jca
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initialize-settings' F% a; b" `# J/ B
: B6 w* g' j A! _3 [1 x
crt people [setup-turtles]/ u3 l: H% n( B& e8 w
5 d" v) S& t9 }# }) @6 N
reset-timer
7 B$ F. S% W; Y# G4 c& q9 r, v( }% N; X" D2 k6 y
poll-class$ a! O8 y' t1 ?0 m: |- h- M
1 Z& P7 ~: M8 K, D+ X0 xsetup-plots' H# ~9 w+ V; L- w9 O
* l' x. {. |& F6 B( \" t1 ]$ k3 wdo-plots
6 K) E1 ~- D7 \* D" k& }' Z Dend
7 b! R8 b. D7 k- N9 C1 C9 D, r% ?6 G4 R& S
to initialize-settings, m1 C* W9 i1 `3 l# Q
% [1 K4 H6 K- ^. M* V) vset global-reputation-list []. ~# v" S7 j9 p# g
% B( \0 c) P% a
set credibility-list n-values people [0.5]2 w9 ]: \+ l- {
- ?% q9 r6 f; C4 `6 Kset honest-service 0 M/ \4 e- Q4 L& T
4 }1 s& d$ w" C( tset unhonest-service 0
% v- X& F( G2 `- U7 `! h5 q! O% \4 r( Z9 |0 k
set oscillation 0' E4 h8 p6 v* n- Q
" e* m( A! o+ l# }# F
set rand-dynamic 09 f1 H. c+ B7 ]0 e* ?' x
end6 r; H5 I/ J: ]3 L5 n/ g! j
) A T2 U& a7 R% i5 j
to setup-turtles . V( E; I( F5 v7 j/ t C; b
set shape "person"+ ^" Q. B7 V# p- @: f
setxy random-xcor random-ycor9 `3 ^/ I# X0 V1 b5 {+ X
set trade-record-one []
' h1 _) k1 {* \3 O4 {* O2 L6 j) y( @( C+ v- _- n, L% {
set trade-record-all n-values people [(list (? + 1) 0 0)] 1 e/ ]8 L& L6 C6 A0 X, K* v5 W
! A% x* m+ {, U; o1 t9 }1 Sset trade-record-current []8 {/ w1 U B; P# l, o; m
set credibility-receive []
* X0 A u! ]8 nset local-reputation 0.5
- z; P! Y" N4 ]( Sset neighbor-total 0+ J1 k! U1 F. `/ ?+ ^% E4 ]1 M
set trade-times-total 0
# O {1 b0 Q* T& {! n' sset trade-money-total 0$ I% m# `! v+ j A# L
set customer nobody2 w$ y% ]( ?2 L* ~. A' g. c
set credibility-all n-values people [creat-credibility]' q- Y$ V5 p* {' m, |
set credibility n-values people [-1]
. j: ?! d4 _; p& O' A2 bget-color& h0 ~6 B+ U/ Q% f0 D
, D; C+ a5 R; m7 A& z
end" Z5 P8 ]/ ]8 P# G D
" [/ d) y4 x2 {. l" v+ S2 Zto-report creat-credibility) r" ~4 x5 T7 k! p4 |: Y3 M4 m$ @
report n-values people [0.5]! `: x( g, @/ W4 p- r+ h- g
end
: x" j: N: W. _4 B* y( {5 a! n5 z; h9 L5 V
to setup-plots
" D" n- b) v2 K# h& w `' I9 `5 R/ w' c n# G" A1 s
set xmax 30" |$ u8 f- C. N4 K8 ]
0 m5 k1 B, h7 xset ymax 1.0
/ t [9 `0 k' s( v4 ^
6 W$ |1 C2 u% x& c, x4 V# ?clear-all-plots3 A1 _) t' W: s8 g- A, b5 N3 d
1 \+ O1 Q- H9 }6 n& }% Ysetup-plot1
+ P- b$ y `- Z4 m5 ^
- Z6 V, u1 |4 }' H, }setup-plot2" `- t& T( K0 h8 ~- x
7 }' | X" ~7 F3 L$ N5 N
setup-plot3
& `5 L4 D# M: c0 Wend4 ~1 t" @ A& r1 s! z# ]
- q9 N; b2 I9 u9 Z;;run time procedures
2 h# D# T- x* ~; Q) g. X
0 ]6 `+ y3 L J# Lto go' R$ C+ s( Q0 r5 {. p7 l
9 K+ b, d8 o A: U$ Z7 O; t" Hask turtles [do-business]
" `0 A5 e1 f6 D1 F3 \3 g$ oend
, N+ b( [# n# i
& W. z9 @$ P3 g, Pto do-business $ Q% G$ e- b6 ?# ?5 J& w5 W- n
: Y4 F3 n0 z2 z1 u/ m9 [9 v
8 n4 x9 |' I0 N$ C, h. Srt random 360% C$ g, F- R1 m3 ~5 J: v
- Z7 Y3 l: t: h
fd 14 o3 `" r3 M1 W' Q8 G* b+ E: v6 l
+ T3 x! g% \6 r. t+ lifelse(other turtles-here != nobody)[2 [& `& p7 q+ t9 M( ^0 s* c
0 [7 P; Y( U- M9 d9 T
set customer one-of other turtles-here+ c8 w6 Z3 F# L0 }- S
! }6 b3 x- \, d
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)5 ~9 A8 u! L% @4 F/ T1 a8 D$ C0 N' \
[trade-record-all]of self
5 e6 Y3 A; p0 O" {;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 v) i# h! G! m, f
) Z$ e o& @$ C- Cset [trade-record-one] of customer item (([who] of self) - 1)
( a3 Q- `: E6 D4 C[trade-record-all]of customer
% y" c1 {- Y' M6 t4 L9 z8 I
+ g8 r. {; H y4 Q) t& [/ Z* |set [trade-record-one-len] of self length [trade-record-one] of self
; S t i" h; q& [( N0 A. V1 c+ z6 O! ?- G3 \& z4 X
set trade-record-current( list (timer) (random money-upper-limit))
" A) r8 K5 z3 T& x" l. K
. I- B% i: u4 N, {6 E" {4 iask self [do-trust]
7 g0 r2 V# s, W3 M# s, V2 o;;先求i对j的信任度
! u" ]9 a# s* ^9 w7 a" [$ ~; Q! {. Q# H# b# v6 L
if ([trust-ok] of self)
6 i. z# m! ^$ B2 w;;根据i对j的信任度来决定是否与j进行交易[
2 z7 u# t4 Y. F) \; |ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# Y' x7 m$ O. q' {/ H, M8 P6 M
6 T k" j- o8 a[/ H1 L" R# {# R: K l* B2 [
0 C' m: U8 J/ n" Q6 G
do-trade8 C4 x6 X6 y X$ [1 z K. ?! |
" c7 m" E$ f6 H
update-credibility-ijl7 k6 e" k, c- m5 o5 S" X* s* G% t
$ l+ ]7 e0 d# K; D$ w/ {
update-credibility-list
6 x8 L4 j& C/ |/ \9 |6 U! |4 `& l" E& B, G1 g* \
1 `' U* s% q ?% j* V/ {update-global-reputation-list' H0 `7 S% P! I) j# }5 i
# S' N% r2 s0 E+ c) M! Qpoll-class
% X: N" h6 S+ B: y" Q" a4 T8 ]* Z# B. I: w F" Y0 [0 M
get-color: R. o0 {0 j5 J! C2 V
# }9 f1 H' ?- U+ m0 l( t* Y
]]
0 ?# _+ l2 \% k- |7 |# T' k; R! ^* K( o$ w% q: t( `; m: F
;;如果所得的信任度满足条件,则进行交易5 P4 E9 @( h4 L/ l
3 N$ b8 g7 r: |1 h; u+ ~, ]
[1 \8 j% ?8 k2 z
8 \( E& B i, ^4 |# O; C, Z# J
rt random 360
: I2 S! D% \: A8 d$ o- ~
& m, v- ]( v! m2 a* Rfd 1
7 @* x9 N* \' m" x1 d, h: f* @: T/ J F" S- V/ z: u# q- T
]' w9 _0 B! ?' d6 B' i
4 O6 C% ~$ Y; O/ y7 X D% Send
0 E1 L6 V- w) h2 n @$ u
: k$ L7 s( }1 J/ nto do-trust
8 A4 P4 L" w, [3 E3 Qset trust-ok False/ z3 Z( Y6 i: u$ p
2 g9 s( \ e# y7 _& O
$ f$ I# d" T: X# i1 L2 X3 U) }let max-trade-times 0
. m4 t* u. T) \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
3 N4 r/ M1 T7 M+ f' O6 ?+ zlet max-trade-money 0! J( K+ d! J+ ~ r6 a
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- o0 `; y. P9 i! `# k; |( Ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
' M5 A# z/ _ ^4 V b
- U& F! T) F0 |+ `& G1 F; ~' j/ w* H2 a$ h# v
get-global-proportion ~4 s6 Y t* i1 ~& [: t
let trust-value
3 F6 L2 ?& G7 w. ^6 ^2 jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)4 z1 }% X" f) }0 L$ L. f4 {
if(trust-value > trade-trust-value)& j9 _3 o! P$ C* G4 j. x5 w3 h
[set trust-ok true]$ a0 V8 ]6 r2 T3 e- n j& D8 c
end
: {. d' \. I; d% ]" E
5 O& |8 i6 `$ B0 |, s" s+ wto get-global-proportion3 R" u, Z2 O3 H& C8 e4 K$ B# M
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
I8 f/ `! m d6 t[set global-proportion 0]1 \. Q' x6 D+ T+ D0 D" x
[let i 0) ^9 K g2 w5 ~7 f" P2 d+ T1 E
let sum-money 02 U- z' c7 L+ r! e3 `1 O* `
while[ i < people]) E7 J# D- l- b
[
. p- h5 S( G+ F- w/ fif( length (item i
& O: h# w7 ` Q$ A7 |# G( [- R+ q[trade-record-all] of customer) > 3 )
& {/ J8 _9 {+ L) V, I( ~[9 L( y- t( p9 h; { Y4 R4 `
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ W1 ]3 B; r+ V# n4 c$ S" r3 l+ G
]
0 ^2 U, D9 @( z) z0 ^2 w6 D9 ]]
. \/ Z; `) y" i; I* @& c& E% blet j 00 y4 {5 w* r6 \+ i
let note 03 Q0 V0 ~9 K- o4 b
while[ j < people]0 |% M! Y* d3 ~* ]7 r- n: i* J
[* T$ ^+ G: N7 e* F3 M+ @
if( length (item i4 D4 a5 Q: ~, o# @8 e
[trade-record-all] of customer) > 3 )
3 }8 M4 [) Y8 c3 ~: b- k$ z[
* k+ S& I4 y/ S" o" wifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% g3 P# q( a% o
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* K+ a( C! e+ E* u8 H* h7 `[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* K2 s0 m5 d3 c
]+ \! [4 G5 s5 h% T6 f$ n+ g) F
]
8 M& }; H& a) f% O; s aset global-proportion note
9 q) ?3 K7 E" S8 G' E0 B) z]1 H; @) |3 Z9 q' Z- @
end
* E' A: D7 S0 ?$ J( a$ J6 t) z; b7 g) m4 }: [$ H7 \8 F
to do-trade
( L; y. x7 I& ?$ _$ y$ K; P2 o; F$ X;;这个过程实际上是给双方作出评价的过程
, z1 T' Y N4 ?) f6 ?set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 x" b3 q( ?' j/ l1 x9 @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 k, e* Q2 Y2 R& @! e* h
set trade-record-current lput(timer) trade-record-current
6 [, v Y y& u" r3 S;;评价时间
( f1 K- N: |; j6 f Sask myself [9 R: X Y3 d- x5 v0 `- w( R% F$ Y) {3 [
update-local-reputation( I2 K3 n1 y2 C9 ~& |( ~7 Z' g% o
set trade-record-current lput([local-reputation] of myself) trade-record-current
6 x: |% t4 ^4 y, D( Z2 g2 a% y]- I2 c, D. {- `1 r; _: g
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" E$ ]! o2 k/ x ];;将此次交易的记录加入到trade-record-one中2 b0 T$ l7 G* W8 l4 }* X
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ I/ h! ^* t2 Klet note (item 2 trade-record-current )( M1 C6 r: X( ^. h; w! s
set trade-record-current; P# D, y% ~/ T+ N5 S, {
(replace-item 2 trade-record-current (item 3 trade-record-current))$ P" r' L% L# D( `4 K" H9 v
set trade-record-current' F3 ~2 o# z$ f7 [; e
(replace-item 3 trade-record-current note)) L4 E6 ?2 G+ b: u2 v
5 c6 P* K6 m! s: O" O" u8 ]* d T4 w1 B1 D
ask customer [
4 j9 u7 d: e6 n& O3 fupdate-local-reputation
6 P- u) o: f% A. {: W: u0 w* a8 K' Kset trade-record-current: Z4 Z) S ?2 F1 y: P
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" @' X: W0 e" q& ?" ]2 S" J1 k/ q]% K: ]; R7 @, ~; Y& |0 x
8 d+ [& @# L( H$ ~$ H
; S0 X. l# X6 }: K: W- gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer i0 H3 x0 C4 o& A+ B: B0 a8 l
/ }& n' I/ W+ f. G Y: Qset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 g# H0 j2 L5 y0 }( a2 y0 m6 M
;;将此次交易的记录加入到customer的trade-record-all中- H+ Y1 t* M; v2 b
end6 M3 H9 N i: y# ^' F h
4 \3 l# f. n; F" n; K& a7 Z
to update-local-reputation; v. Z/ C6 W( m# E6 V: x N
set [trade-record-one-len] of myself length [trade-record-one] of myself
; a# O* Y6 V- N0 C2 W4 u- ~. Y/ ~! [
( D/ R( R3 R Z' J;;if [trade-record-one-len] of myself > 3 - s' o7 N1 g7 v, V/ A0 ?
update-neighbor-total4 I- m8 m$ Z/ W7 m: ^" {
;;更新邻居节点的数目,在此进行$ v' S r( [' S6 }1 p1 ^& ?
let i 3
4 H v+ K8 i* V5 |+ U7 r' x1 |1 Ulet sum-time 0
! h- V9 C; e( O( R3 awhile[i < [trade-record-one-len] of myself]
7 Z4 ~! J7 r* G; R, v[6 p% ~% R4 a2 e+ N& a y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
' V* c+ Y$ h. j5 y) s# X" L8 |set i" }, G, ]% ^) J
( i + 1)
) ^* z7 P' H( x& l- E]
1 P# Z+ `" z! o, w1 D1 e% q8 Slet j 3
/ O- ?& S: Z5 z O7 L' Q( k, T" i0 glet sum-money 0
% c! |0 j `4 P% _! N! ?+ Kwhile[j < [trade-record-one-len] of myself], |- p z# q, ~! u
[
: F6 b9 Y; [0 cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). P; @5 l3 U$ i- i" u) f4 ?8 }
set j- G' W0 X2 o" i
( j + 1)
! Y8 H" V, m7 j& P6 ]* C1 t+ K. L1 s; O]
" D! q$ W' A7 | Q, Ylet k 3
9 X+ \% ?- Z( m3 Q9 P' e' Rlet power 0
* m+ N2 s8 W9 b" o3 p/ @ jlet local 0) H! d/ z! ^# ]+ K( E( K
while [k <[trade-record-one-len] of myself]
& `2 l! r! M; r; ~- U[
$ E5 F* M% V2 s# u+ v# F9 ?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)
8 G6 q) \2 \. M- a* F* s( nset k (k + 1)$ l& q, d9 |& b( n
]8 j) t3 Y% s o
set [local-reputation] of myself (local)
! h8 r* T' ~3 f8 Tend+ T, U t j3 t2 W9 X: E* C
6 [; e4 J& g7 l$ y, L6 @
to update-neighbor-total5 w( A$ P8 \( {4 `
4 {6 C8 o+ s$ ~& y' j( {
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! C0 e" v5 F4 w, \, q0 Y
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end6 [9 H1 A% ^+ G% B. T
' j3 ]; I& U3 ?: |
to update-credibility-ijl 5 h+ z& C; L. e: f; z
+ ?( Q' D2 i; g0 D) k2 v2 R;;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。
. x( z$ Y$ U) hlet l 0) L$ l: f' L/ u: r
while[ l < people ]
: ^# \4 ~0 B. L5 X+ v. W6 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
/ n. I, o" @5 \[
: M6 v" ?. U% }( u; Vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 h6 k& a3 f- C! @/ A
if (trade-record-one-j-l-len > 3)0 J4 W1 Y4 N8 l _# u, G
[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
F5 m! o; R* M2 c3 @& {6 D8 t/ Alet i 3
. ^; z1 T9 f8 g8 u" z, B1 R" V5 ~let sum-time 0- b9 o2 h+ C6 |/ z
while[i < trade-record-one-len]
# f6 m6 P% X% j4 `3 o0 c+ G, k[
f7 s9 v6 n2 A7 g8 y$ D Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 \6 v$ S' @2 d0 Z
set i
0 j4 _! u' S) L' a( i + 1)
$ l) V. P0 a P& Q w8 v, c9 K]. z$ j$ k6 N4 l) X2 ?; ~9 V
let credibility-i-j-l 0; p7 U% D7 `8 \8 h/ p* [5 |$ W0 P4 m7 K
;;i评价(j对jl的评价)
D/ I7 c$ ?/ A) j- Ulet j 3( O) f1 Q; M' B
let k 4/ o/ x% B2 k3 p. \0 N z; Y u+ Q
while[j < trade-record-one-len]1 [1 v9 K, E' Q9 k# J' y1 C" w( P
[& S* |, I% o. K3 n; l9 M1 b$ {: u
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
& G/ c( p; K- @& Gset 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)
' Y. @7 v1 `5 P+ n$ \; Lset j9 h( j( M. S) h
( j + 1)
# J! K8 Z$ X8 P+ g$ d]
/ N& B: L5 ^5 ^" G: |, R8 h/ wset [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 ))& z$ p1 j8 D& _7 p$ |' f8 ?, R
; o* V; K' U# o" U9 I: a
3 M- t9 j$ Z" o: C# E
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- x" Y' N. o7 P8 X8 [;;及时更新i对l的评价质量的评价
; B4 t# Z: z. f! N) j# R2 _set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& c# R+ J; R& Y$ G+ G$ K
set l (l + 1): O* Z! u( J" J; M9 k
]
6 e3 F2 ~. F1 [4 R; bend
+ o4 u/ q; C1 i B7 O
: G* F/ @' R" bto update-credibility-list" @4 s! g' l, d
let i 0- |# _7 \0 y# X( p$ [# U7 H, `
while[i < people]2 g+ B8 T4 o" x
[
9 {% r/ S+ G+ t0 |1 flet j 0* U( N) |# X) Q0 N
let note 0) N3 j6 a: ]. W- D+ [9 p) D( S' p
let k 0
; i r3 h1 s/ i" @* e" f9 _1 Z6 z$ T;;计作出过评价的邻居节点的数目% {& C5 y: k, I! M. a& M6 I
while[j < people]; r4 t& f5 p. \( m. W
[/ M+ p6 | Y% l1 G- V' B
if (item j( [credibility] of turtle (i + 1)) != -1)
! A; O: h* v1 ?7 l$ R- e; t) l;;判断是否给本turtle的评价质量做出过评价的节点
5 S; H; ^9 o0 O3 F& k[set note (note + item j ([credibility]of turtle (i + 1)))
+ u- W1 z: C; g: ~4 c;;*(exp (-(people - 2)))/(people - 2))]
& X2 }2 t2 R5 h6 m( r5 M6 W/ Oset k (k + 1)$ t5 H- F3 r3 V. S2 F
]
8 `6 s, N4 C. M$ `set j (j + 1)
" ~7 U8 ]5 o. M6 I]
* K* Y2 k6 x! I6 C6 p9 M/ a9 P$ ?set note (note *(exp (- (1 / k)))/ k)4 Q8 j# E9 X: W7 t0 ~# L+ y$ p
set credibility-list (replace-item i credibility-list note)
1 u( D4 S* Q& Y/ M8 i5 Oset i (i + 1)
' r2 [) G+ {: _; c4 a/ }]
/ o3 x8 w2 I4 ~" c4 hend& }, C0 ?# \% e# ]2 G; r/ z
/ H+ m' ~4 z& g L; S Fto update-global-reputation-list8 a: ]. \9 g5 }. f4 w
let j 0
& p8 t: Q/ o2 u3 B Zwhile[j < people]
" Y0 X% B- m, g+ O[
1 h6 ~8 {" G/ L2 `, D( o" z/ B; t# Hlet new 04 K$ l- W2 o# X O; ^' j
;;暂存新的一个全局声誉
) P9 e$ v* {# \3 @6 Q6 |9 _2 m& llet i 0# C. ]" Y# W4 ^6 I! G
let sum-money 0
, {5 A6 B" I; R9 K* Flet credibility-money 0
) {5 i& G8 ?8 r7 X7 K7 V2 iwhile [i < people]0 s7 C" q9 |6 K
[% l2 b, _9 _* G( K' A+ z+ v
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; v' L1 U( n( V6 kset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))8 `) a( N' x# e
set i (i + 1)( d6 z% n- q5 a# i# W6 B1 F+ ?
]- ~$ @) G0 M4 F7 O
let k 0
. D/ h& R8 @* p% h; V+ Q! A& K( ylet new1 0
$ P+ K2 B |2 T/ G) w) o0 Owhile [k < people]* W7 ^* q+ B$ ]. l1 O
[' k- R b! k5 B& U; u6 x& p9 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)
8 n7 R' ?$ u2 kset k (k + 1)1 u3 D9 A3 r$ a
]
& i9 |4 a# p6 R3 U4 ]4 uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( M5 t$ r. \+ ] }3 }! o
set global-reputation-list (replace-item j global-reputation-list new)1 {& {0 l: t; b* s) m9 b8 F% `: J
set j (j + 1)3 l7 n# k: o+ v9 w( {% n
]
9 d5 U" ?* ~: |) K3 N3 y: ~end/ P; X5 |3 I# J! q1 h, }
3 @6 Q, ~3 X* r7 h. Y
8 u7 ?/ ~6 z8 u: s% ^+ r
# f- z5 @) i* W$ D% {7 j, D& ato get-color
9 t7 E8 `# ]: Q0 k$ E
- R# F) b4 R$ Cset color blue
$ [% f" X0 G8 j/ \; {# eend
, C5 v( i& [( L
' H0 c1 {) L! \6 uto poll-class
+ H9 L' r, `8 u( \9 b" R. D2 n6 s8 yend" }% O/ h8 [- [& m. e! v) _) p
% c7 a% G* s; u3 o
to setup-plot1* E5 ~- u" v" [8 u
. C+ Z' i) \2 B% ?/ {set-current-plot "Trends-of-Local-reputation"5 `0 P! W( G) |0 C
% G' K9 D! R$ G% Yset-plot-x-range 0 xmax
" f# s! s0 e' q. ]4 r$ y5 [. I9 z7 f1 Y' ]9 P
set-plot-y-range 0.0 ymax5 r% l; Z/ K1 r. J# `8 q8 z( @/ M
end
& H. S$ M- V$ c$ K* M! Y: x+ u: v
9 X0 a' Q3 j C# y1 P3 @" ^8 r ^to setup-plot2( V1 L$ \# ^, t: Y% o+ k8 D- Q
5 J5 z O+ J0 C* Cset-current-plot "Trends-of-global-reputation"
: \1 @, X( ^7 N) Y/ m: r# a. q7 H/ S% d( l. t- k
set-plot-x-range 0 xmax5 j" P! c* N; y. @& G( I0 }$ M8 f
0 s+ |* [, F) \/ Bset-plot-y-range 0.0 ymax; m7 m! w7 b6 q3 f& |8 Q
end
1 d& c& ]+ `" |: x# ^ n1 r% T/ d% R
to setup-plot3' f$ b' I7 f% X2 u* ~2 D+ S
- E1 o' B* \ x$ G- Sset-current-plot "Trends-of-credibility"
; T! ]) x) _8 U# Y$ W: a; T# g" k1 g9 i3 D5 q( z9 O) M+ I
set-plot-x-range 0 xmax
" N5 d/ }1 \9 V$ N D5 W" _& P# {. Y" c. L
set-plot-y-range 0.0 ymax9 X# n8 a" T$ e) e8 n3 M7 X
end5 l' y! p5 m5 B3 a
1 Q5 L' K1 h' U6 D9 Pto do-plots! W3 k+ k; f" I v( N+ N
set-current-plot "Trends-of-Local-reputation"0 b& H1 h. A( d# m$ W; I! V
set-current-plot-pen "Honest service"
" k# p6 A: C0 u" n0 K6 U. u. kend
' C9 @1 S+ R2 u( }+ \! C% M
' q9 u9 i* [2 Z# v8 K4 V, W, g3 y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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